`ac.lk`

DNSSEC	⚠️ Not signed
A	2401:dd00:1::189^{🇱🇰 LEARN-LK2401:dd00::/32 Lanka Education and Research Network Lanka Education And Research Network (LEARN) Information Technology Center University of Peradeniya}
A	192.248.1.189^{🇱🇰 LEARN-LK192.248.0.0/22 Lanka Education and Research Network Lanka Education And Research Network (LEARN) Information Technology Center University of Peradeniya}
NS	`ns1.ac.lk` ⭐
		A	2401:dd00:1::162^{🇱🇰 LEARN-LK2401:dd00::/32 Lanka Education and Research Network Lanka Education And Research Network (LEARN) Information Technology Center University of Peradeniya}
			PTR	`bera.learn.ac.lk`
		A	192.248.1.162^{🇱🇰 LEARN-LK192.248.0.0/22 Lanka Education and Research Network Lanka Education And Research Network (LEARN) Information Technology Center University of Peradeniya}
			PTR	`bera.learn.ac.lk`
NS	`lk.communitydns.net` ⚠️ Not in parent delegation
		A	2001:678:4::1b^{🇩🇪 COMMUNITYDNS2001:678:4::/48 CommunityDNS, UK}
			PTR	`lk.communitydns.net`
		A	194.0.1.27^{🇬🇧 COMMUNITYDNS194.0.1.0/24 ICB plc Anycast (via Community DNS AS42909)}
			PTR	`lk.communitydns.net`
NS	`ns2.ac.lk`
		A	2401:dd00:1::161^{🇱🇰 LEARN-LK2401:dd00::/32 Lanka Education and Research Network Lanka Education And Research Network (LEARN) Information Technology Center University of Peradeniya}
			PTR	`namunu.learn.ac.lk`
		A	192.248.1.161^{🇱🇰 LEARN-LK192.248.0.0/22 Lanka Education and Research Network Lanka Education And Research Network (LEARN) Information Technology Center University of Peradeniya}
			PTR	`namunu.learn.ac.lk`
NS	`ns3.ac.lk`
		A	2401:dd00:1:1::3^{🇱🇰 LEARN-LK2401:dd00::/32 Lanka Education and Research Network Lanka Education And Research Network (LEARN) Information Technology Center University of Peradeniya}
		A	192.248.121.3^{🇱🇰 LEARN-LK192.248.64.0/18 Lanka Education and Research Network Lanka Education And Research Network (LEARN) Information Technology Center University of Peradeniya}
			PTR	`ns3.ac.lk`
MX	`in-relay-t.ac.lk` ⭐
		A	2401:dd00:1::182^{🇱🇰 LEARN-LK2401:dd00::/32 Lanka Education and Research Network Lanka Education And Research Network (LEARN) Information Technology Center University of Peradeniya}
			PTR	`lakegala.learn.ac.lk`
		A	192.248.1.182^{🇱🇰 LEARN-LK192.248.0.0/22 Lanka Education and Research Network Lanka Education And Research Network (LEARN) Information Technology Center University of Peradeniya}
			PTR	`in-relay-t.ac.lk`
			PTR	`lakegala.learn.ac.lk`
MX	`in-relay.ac.lk`⁽⁶⁰⁾
		A	2401:dd00:1::166^{🇱🇰 LEARN-LK2401:dd00::/32 Lanka Education and Research Network Lanka Education And Research Network (LEARN) Information Technology Center University of Peradeniya}
			PTR	`haggala.learn.ac.lk`
		A	192.248.1.166^{🇱🇰 LEARN-LK192.248.0.0/22 Lanka Education and Research Network Lanka Education And Research Network (LEARN) Information Technology Center University of Peradeniya}
			PTR	`in-relay.ac.lk`
			PTR	`haggala.learn.ac.lk`
TXT	`DZC=C8jrxii`
TXT	`v=spf1 ~all`
TXT	`google-site-verification=scIkfgjzNOYzCZHpUCUyfrnTkZA5TJwkr4lgCr0XVAw`
TXT	`DM-LEARN-27b476d272d499eb24d9ead2a8154d122d18aefefa55b65bf1e06a918949b87f157c...`
SOA	`ns1.ac.lk`noc@learn.ac.lk 2026-07-16 #1

`lk`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns.nic.lk` ⭐
	NS	`d.nic.lk`
	NS	`h.nic.lk`
	NS	`m.nic.lk`
	NS	`ns1.ac.lk`
	NS	`p.nic.lk`
	NS	`pendragon.cs.purdue.edu`
	NS	`t.nic.lk`
	NS	`z.nic.lk`
	SOA	`ns.nic.lk`hostmaster@nic.lk serial=2020428114

WOT: SAFE (60/100)

Subdomains

ucr.ac.lk

vpa.ac.lk

ugc.ac.lk

sllc.ac.lk

seu.ac.lk

ps.ac.lk

ns2.ac.lk

esn.ac.lk

uwu.ac.lk

pdn.ac.lk

uom.ac.lk

sliate.ac.lk

nara.ac.lk

pgia.ac.lk

ns1.ac.lk

vau.ac.lk

nsbm.ac.lk

busl.ac.lk

slstinet.ac.lk

bms.ac.lk

ns3.ac.lk

cmb.ac.lk

in-relay.ac.lk

eduvpn.ac.lk

www.ac.lk

lms.ac.lk

relay.ac.lk

sab.ac.lk

liaf.ac.lk

ism.ac.lk

nsf.ac.lk

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jfn.ac.lk

nie.ac.lk

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kln.ac.lk

in-relay-t.ac.lk

ncas.ac.lk

nibm.ac.lk

nisd.ac.lk

ocu.ac.lk

sjp.ac.lk

mrt.ac.lk

sltc.ac.lk

learn.ac.lk

ifs.ac.lk

iit.ac.lk

accmt.ac.lk

rjt.ac.lk

in-relay-s.ac.lk

Same first word

ac.at

ac.nl

ac.net.au

ac.mu

ac.ly

ac.ph

ac.services

ac.co.zw

ac.health

ac.dj

ac.ai

ac.investments

ac.id

ac.sc

ac.me

ac.co

ac.edu.au

ac.cy

ac.mz

ac.university

ac.com.pl

ac.kharkov.ua

ac.co.il

ac.mn

ac.in.ua

ac.edgekey.net

ac.company

ac.in

ac.gov.ru

ac.ma

ac.edu.vn

ac.kz

ac.mt

ac.com.py

ac.co.nz

ac.com.iq

ac.kr

ac.com.ro

ac.ls

ac.or.kr

ac.pl

ac.cl

ac.com.ua

ac.dev

ac.run

ac.bz

ac.s3-website-us-east-1.amazonaws.com

ac.co.in

ac.donetsk.ua

ac.cz

ac.am

ac.lk

ac.cm

ac.la

ac.ru

ac.life

ac.gd

ac.repair

ac.leg.br

ac.si

ac.ua

ac.msk.su

ac.vg

ac.s3-ap-northeast-1.amazonaws.com

ac.cr

ac.tn

ac.zone

ac.supply

ac.care

ac.vu

ac.cn

ac.fun

ac.net.ru

ac.com

ac.no

ac.adobeio-static.net

ac

ac.ac.nz

ac.rio

ac.by

ac.st

ac.cx

ac.gy

ac.ca

ac.org.br

ac.gov.br

ac.cat

ac.amsterdam

ac.edu

ac.mw

ac.gr

ac.com.kw

ac.al

ac.de

ac.olsztyn.pl

ac.ac.cy

ac.co.at

ac.ae

ac.gt

ac.edu.pl

Similar names

ca.to

ca.mg.gov.br

ca.gov.vn

ca.debian.net

ca.uz

ca.eu.org

ca.gg

ca.com.sg

ca.land

ca.com.mx

ca.com

ca.com.au

ca.myshopify.com

ca.net.au

ca.co.th

ca.su

ca.tel

ca.support

ca.fyi

ca.ms

ca.hu

ca.pharmacy

ca.my

ca.inf.br

ca.cloudns.us

ca.ie

ca.lt

ca.bz.it

ca.fr

ca.ag

ca.sk

ca.global.prod.fastly.net

ca.company

ca.vodka

ca.gs

ca.s3-website.ca-central-1.amazonaws.com

ca

ca.la

ca.sh

ca.cc

ca.vin

ca.biz

ca.pt

ca.vc

DNS History

13 records (8 active, 5 former)

○NSc.nic.lk2015-09-03 → 2021-09-03 · 4 obs

● 2015-09-03 05:59:16
● 2021-09-03 10:44:06
○ 2026-02-14 16:05:50
○ 2026-07-17 01:07:30

○NSd.nic.lk2015-09-03 → 2021-09-03 · 4 obs

● 2015-09-03 05:59:16
● 2021-09-03 10:44:06
○ 2026-02-14 16:05:50
○ 2026-07-17 01:07:30

○NSlk.cctld.authdns.ripe.net2015-09-03 → 2016-03-04 · 4 obs

● 2015-09-03 05:59:16
● 2016-03-04 13:59:08
○ 2016-03-27 22:01:08
○ 2026-07-17 01:07:30

●NSlk.communitydns.net2026-02-14 → 2026-07-17 · 172 obs

○ 2021-09-03 10:44:06
● 2026-02-14 16:05:50
● 2026-02-15 06:45:32
○ 2026-02-15 09:28:42
● 2026-02-15 14:14:14
○ 2026-02-15 16:08:16
● 2026-02-15 21:20:52
● 2026-02-17 05:32:46
○ 2026-02-17 10:28:34
● 2026-02-17 13:55:52
○ 2026-02-17 17:50:12
● 2026-02-17 23:27:56
● 2026-02-22 11:29:10
○ 2026-02-22 13:39:38
● 2026-02-22 18:15:08
● 2026-02-28 04:37:56
○ 2026-02-28 12:13:48
● 2026-02-28 17:50:10
● 2026-03-02 00:04:18
○ 2026-03-02 04:10:18
● 2026-03-02 10:03:36
● 2026-03-08 18:03:06
○ 2026-03-09 00:34:00
● 2026-03-09 02:11:16
● 2026-03-10 08:49:10
○ 2026-03-10 12:46:04
○ 2026-03-10 17:12:24
● 2026-03-10 21:20:36
● 2026-03-11 03:45:24
○ 2026-03-11 07:36:50
● 2026-03-11 13:28:52
● 2026-03-11 21:21:52
○ 2026-03-12 05:00:00
● 2026-03-12 07:07:06
● 2026-03-14 00:17:34
○ 2026-03-14 05:00:14
○ 2026-03-14 10:51:22
● 2026-03-14 12:17:52
● 2026-03-16 05:37:14
○ 2026-03-16 09:07:34
● 2026-03-16 20:52:28
○ 2026-03-17 00:27:26
● 2026-03-17 05:51:10
○ 2026-03-17 13:48:00
○ 2026-03-17 14:44:10
● 2026-03-17 20:47:26
● 2026-03-22 02:09:46
○ 2026-03-22 07:30:20
● 2026-03-22 11:12:30
● 2026-03-27 08:00:02
○ 2026-03-27 12:30:16
● 2026-03-27 14:40:14
● 2026-04-01 20:27:40
○ 2026-04-01 23:26:10
● 2026-04-02 04:09:22
● 2026-04-03 15:24:16
○ 2026-04-03 18:48:50
● 2026-04-03 22:06:52
● 2026-04-17 18:47:44
○ 2026-04-18 00:21:26
● 2026-04-18 03:40:04
● 2026-04-21 05:03:14
○ 2026-04-21 09:58:08
● 2026-04-21 12:21:50
● 2026-05-01 23:53:40
○ 2026-05-02 01:47:06
● 2026-05-02 07:02:02
● 2026-05-02 12:04:30
○ 2026-05-02 14:02:30
○ 2026-05-02 21:06:08
● 2026-05-03 01:19:38
● 2026-05-09 20:00:46
○ 2026-05-09 23:50:08
● 2026-05-10 03:47:04
● 2026-05-10 14:33:32
○ 2026-05-10 18:37:16
● 2026-05-10 23:43:10
● 2026-05-15 10:08:50
○ 2026-05-15 14:59:54
● 2026-05-15 17:09:22
● 2026-05-19 00:05:22
○ 2026-05-19 04:57:46
● 2026-05-19 09:43:20
● 2026-05-20 10:10:34
○ 2026-05-20 14:25:10
● 2026-05-20 20:11:32
● 2026-05-24 01:31:50
○ 2026-05-24 07:55:06
● 2026-05-24 10:23:52
● 2026-06-01 22:37:20
○ 2026-06-02 04:00:48
○ 2026-06-02 09:19:42
● 2026-06-02 15:43:50
● 2026-06-15 20:19:36
○ 2026-06-15 23:15:40
● 2026-06-16 03:31:34
● 2026-06-16 15:48:36
○ 2026-06-16 20:35:32
○ 2026-06-17 01:34:18
● 2026-06-17 11:36:14
● 2026-06-18 05:14:38
○ 2026-06-18 22:52:58
● 2026-06-18 23:36:42
○ 2026-06-19 14:40:24
● 2026-06-19 15:35:48
○ 2026-06-19 16:36:16
● 2026-06-19 17:28:44
○ 2026-06-22 15:30:34
● 2026-06-22 16:04:40
○ 2026-06-23 03:23:38
● 2026-06-23 05:32:10
○ 2026-06-23 08:20:10
● 2026-06-23 11:17:28
○ 2026-06-23 22:03:12
● 2026-06-24 05:03:32
○ 2026-06-24 09:30:30
● 2026-06-24 14:14:22
○ 2026-06-26 18:23:36
● 2026-06-26 21:47:44
○ 2026-06-27 06:46:56
● 2026-06-27 07:31:32
○ 2026-06-27 21:20:50
● 2026-06-27 23:28:28
○ 2026-06-28 02:48:22
● 2026-06-28 13:51:10
○ 2026-06-28 16:25:22
● 2026-06-29 01:27:56
○ 2026-06-29 13:14:00
● 2026-06-29 14:14:48
○ 2026-06-29 23:11:02
● 2026-06-30 02:22:02
○ 2026-06-30 05:59:16
● 2026-06-30 06:57:18
○ 2026-07-01 18:49:20
● 2026-07-02 00:12:56
○ 2026-07-03 19:52:56
● 2026-07-03 20:38:54
○ 2026-07-04 04:00:32
● 2026-07-04 04:31:48
○ 2026-07-04 07:56:08
● 2026-07-04 09:27:54
○ 2026-07-04 20:17:42
● 2026-07-04 20:53:28
○ 2026-07-05 10:25:14
● 2026-07-07 09:55:12
○ 2026-07-07 16:30:52
● 2026-07-07 18:22:06
○ 2026-07-08 07:11:28
● 2026-07-08 08:39:22
○ 2026-07-08 13:46:38
● 2026-07-08 14:31:22
○ 2026-07-09 07:56:00
● 2026-07-09 09:49:30
○ 2026-07-09 15:33:12
● 2026-07-09 16:10:44
○ 2026-07-10 06:00:24
● 2026-07-10 06:41:14
○ 2026-07-10 13:18:00
● 2026-07-11 01:32:24
○ 2026-07-11 04:31:16
● 2026-07-11 15:03:38
○ 2026-07-13 23:44:36
● 2026-07-14 03:32:58
○ 2026-07-14 04:52:52
● 2026-07-14 10:25:54
○ 2026-07-15 18:48:20
● 2026-07-15 20:04:46
○ 2026-07-16 19:35:30
● 2026-07-16 20:28:36
○ 2026-07-16 23:24:18
● 2026-07-17 00:02:22
● 2026-07-17 01:07:30

●NSns1.ac.lk2015-09-03 → 2026-07-17 · 139 obs

● 2015-09-03 05:59:16
● 2026-02-17 13:55:52
○ 2026-02-17 14:47:18
○ 2026-02-17 17:50:12
● 2026-02-17 23:27:56
● 2026-02-19 03:10:14
○ 2026-02-19 04:45:16
● 2026-02-19 08:09:12
● 2026-02-22 11:29:10
○ 2026-02-22 13:39:38
● 2026-02-22 18:15:08
● 2026-02-27 01:41:10
○ 2026-02-27 02:52:22
● 2026-02-27 07:26:42
● 2026-02-28 13:10:38
○ 2026-02-28 14:25:52
● 2026-02-28 17:50:10
● 2026-03-02 02:01:34
○ 2026-03-02 04:10:18
● 2026-03-02 10:03:36
● 2026-03-04 03:18:22
○ 2026-03-04 04:30:18
● 2026-03-04 07:38:28
● 2026-03-07 09:06:50
○ 2026-03-07 12:52:04
● 2026-03-07 13:54:56
● 2026-03-10 14:26:18
○ 2026-03-10 17:12:24
● 2026-03-10 21:20:36
● 2026-03-11 21:21:52
○ 2026-03-12 05:00:00
● 2026-03-12 07:07:06
● 2026-03-14 00:17:34
○ 2026-03-14 05:00:14
● 2026-03-14 10:51:22
● 2026-03-16 05:37:14
○ 2026-03-16 09:07:34
● 2026-03-16 20:52:28
● 2026-03-17 13:48:00
○ 2026-03-17 14:44:10
● 2026-03-17 20:47:26
● 2026-03-22 05:16:36
○ 2026-03-22 07:30:20
● 2026-03-22 11:12:30
● 2026-03-31 00:16:06
○ 2026-03-31 03:19:36
● 2026-03-31 06:36:40
● 2026-04-01 22:43:16
○ 2026-04-01 23:26:10
● 2026-04-02 04:09:22
● 2026-04-02 15:13:04
○ 2026-04-02 19:39:26
● 2026-04-02 21:51:50
● 2026-04-04 07:47:02
○ 2026-04-04 08:51:50
● 2026-04-04 12:42:20
● 2026-04-13 19:27:18
○ 2026-04-13 21:27:18
● 2026-04-14 01:15:42
● 2026-04-15 22:14:58
○ 2026-04-15 23:30:38
● 2026-04-16 02:43:52
● 2026-04-17 21:15:28
○ 2026-04-18 00:21:26
● 2026-04-18 03:40:04
● 2026-05-02 20:05:30
○ 2026-05-02 21:06:08
● 2026-05-03 01:19:38
● 2026-05-10 17:20:18
○ 2026-05-10 18:37:16
○ 2026-05-10 23:00:44
● 2026-05-10 23:43:10
● 2026-05-12 12:27:30
○ 2026-05-12 16:49:44
● 2026-05-12 18:41:18
● 2026-05-15 10:08:50
○ 2026-05-15 14:59:54
● 2026-05-15 17:09:22
● 2026-05-19 00:05:22
○ 2026-05-19 04:57:46
● 2026-05-19 06:04:00
● 2026-05-20 10:10:34
○ 2026-05-20 14:25:10
● 2026-05-20 20:11:32
● 2026-05-24 03:07:30
○ 2026-05-24 07:55:06
● 2026-05-24 10:23:52
● 2026-05-27 22:21:16
○ 2026-05-28 01:04:34
● 2026-05-28 03:11:16
● 2026-06-01 22:37:20
○ 2026-06-02 04:00:48
● 2026-06-02 05:13:50
○ 2026-06-02 09:19:42
● 2026-06-02 15:43:50
● 2026-06-16 15:48:36
○ 2026-06-16 20:35:32
● 2026-06-16 23:46:44
○ 2026-06-17 01:34:18
● 2026-06-17 11:36:14
○ 2026-06-18 22:52:58
● 2026-06-18 23:36:42
○ 2026-06-19 14:40:24
● 2026-06-19 15:35:48
○ 2026-06-19 16:36:16
● 2026-06-19 17:28:44
○ 2026-06-23 03:23:38
● 2026-06-23 05:32:10
○ 2026-06-23 09:50:44
● 2026-06-23 11:17:28
○ 2026-06-23 22:03:12
● 2026-06-24 05:03:32
○ 2026-06-27 06:46:56
● 2026-06-27 07:31:32
○ 2026-06-28 02:48:22
● 2026-06-28 13:51:10
○ 2026-06-28 16:25:22
● 2026-06-28 22:44:06
○ 2026-07-01 18:49:20
● 2026-07-02 00:12:56
○ 2026-07-04 04:00:32
● 2026-07-04 04:31:48
○ 2026-07-04 07:56:08
● 2026-07-04 09:27:54
○ 2026-07-07 16:30:52
● 2026-07-07 18:22:06
○ 2026-07-08 13:46:38
● 2026-07-08 14:31:22
○ 2026-07-09 15:33:12
● 2026-07-09 16:10:44
○ 2026-07-10 06:00:24
● 2026-07-10 06:41:14
○ 2026-07-13 23:44:36
● 2026-07-14 03:32:58
○ 2026-07-16 19:35:30
● 2026-07-16 20:28:36
○ 2026-07-16 23:24:18
● 2026-07-17 00:02:22
● 2026-07-17 01:07:30

●NSns2.ac.lk2015-09-03 → 2026-07-17 · 171 obs

● 2015-09-03 05:59:16
● 2026-02-15 06:45:32
○ 2026-02-15 09:28:42
● 2026-02-15 14:14:14
○ 2026-02-15 16:08:16
● 2026-02-15 21:20:52
● 2026-02-17 05:32:46
○ 2026-02-17 10:28:34
● 2026-02-17 13:55:52
○ 2026-02-17 17:50:12
● 2026-02-17 23:27:56
● 2026-02-22 11:29:10
○ 2026-02-22 13:39:38
● 2026-02-22 18:15:08
● 2026-02-28 04:37:56
○ 2026-02-28 12:13:48
● 2026-02-28 17:50:10
● 2026-03-02 00:04:18
○ 2026-03-02 04:10:18
● 2026-03-02 10:03:36
● 2026-03-08 18:03:06
○ 2026-03-09 00:34:00
● 2026-03-09 02:11:16
● 2026-03-10 08:49:10
○ 2026-03-10 12:46:04
○ 2026-03-10 17:12:24
● 2026-03-10 21:20:36
● 2026-03-11 03:45:24
○ 2026-03-11 07:36:50
● 2026-03-11 13:28:52
● 2026-03-11 21:21:52
○ 2026-03-12 05:00:00
● 2026-03-12 07:07:06
● 2026-03-14 00:17:34
○ 2026-03-14 05:00:14
○ 2026-03-14 10:51:22
● 2026-03-14 12:17:52
● 2026-03-16 05:37:14
○ 2026-03-16 09:07:34
● 2026-03-16 20:52:28
○ 2026-03-17 00:27:26
● 2026-03-17 05:51:10
○ 2026-03-17 13:48:00
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● 2026-07-08 14:31:22
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● 2026-07-09 16:10:44
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● 2026-07-10 06:41:14
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○ 2026-07-11 04:31:16
● 2026-07-11 15:03:38
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● 2026-07-14 03:32:58
○ 2026-07-14 04:52:52
● 2026-07-14 10:25:54
○ 2026-07-15 18:48:20
● 2026-07-15 20:04:46
○ 2026-07-16 19:35:30
● 2026-07-16 20:28:36
○ 2026-07-16 23:24:18
● 2026-07-17 00:02:22
● 2026-07-17 01:07:30

●NSns3.ac.lk2026-02-14 → 2026-07-17 · 172 obs

○NSripe.nic.lk2016-03-27 → 2017-07-24 · 5 obs

○ 2016-03-04 13:59:08
● 2016-03-27 22:01:08
● 2017-07-24 17:10:26
○ 2017-08-22 20:49:34
○ 2026-07-17 01:07:30

○NSt.nic.lk2015-09-03 → 2021-09-03 · 4 obs

● 2015-09-03 05:59:16
● 2021-09-03 10:44:06
○ 2026-02-14 16:05:50
○ 2026-07-17 01:07:30

●MXin-relay-t.ac.lk2015-09-03 → 2026-07-17 · 169 obs

● 2015-09-03 05:59:16
● 2026-02-17 09:44:26
○ 2026-02-17 10:28:34
● 2026-02-17 13:55:52
○ 2026-02-17 17:50:12
● 2026-02-17 23:27:56
● 2026-02-20 16:34:24
○ 2026-02-20 20:36:44
● 2026-02-20 23:26:52
● 2026-02-22 11:29:10
○ 2026-02-22 13:39:38
● 2026-02-22 18:15:08
● 2026-02-28 04:37:56
○ 2026-02-28 12:13:48
● 2026-02-28 17:50:10
● 2026-03-02 00:04:18
○ 2026-03-02 04:10:18
● 2026-03-02 10:03:36
● 2026-03-04 23:41:26
○ 2026-03-05 03:45:52
● 2026-03-05 11:29:56
● 2026-03-08 18:03:06
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● 2026-03-11 21:21:52
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● 2026-06-28 13:51:10
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● 2026-06-29 14:14:48
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○ 2026-06-30 05:59:16
● 2026-06-30 06:57:18
○ 2026-07-01 18:49:20
● 2026-07-02 00:12:56
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● 2026-07-04 04:31:48
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● 2026-07-04 09:27:54
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● 2026-07-04 17:17:16
○ 2026-07-04 20:17:42
● 2026-07-04 20:53:28
○ 2026-07-05 10:25:14
● 2026-07-07 09:55:12
○ 2026-07-07 16:30:52
● 2026-07-07 18:22:06
○ 2026-07-08 07:11:28
● 2026-07-08 08:39:22
○ 2026-07-08 13:46:38
● 2026-07-08 14:31:22
○ 2026-07-09 07:56:00
● 2026-07-09 09:49:30
○ 2026-07-09 15:33:12
● 2026-07-09 16:10:44
○ 2026-07-10 06:00:24
● 2026-07-10 06:41:14
○ 2026-07-11 04:31:16
● 2026-07-11 15:03:38
○ 2026-07-12 01:00:18
● 2026-07-12 02:25:02
○ 2026-07-13 23:44:36
● 2026-07-14 03:32:58
○ 2026-07-14 04:52:52
● 2026-07-14 10:25:54
○ 2026-07-15 18:48:20
● 2026-07-15 20:04:46
○ 2026-07-16 19:35:30
● 2026-07-16 20:28:36
○ 2026-07-16 23:24:18
● 2026-07-17 00:02:22
● 2026-07-17 01:07:30

●MXin-relay.ac.lk2015-09-03 → 2026-07-17 · 169 obs

●A192.248.1.1892021-01-18 → 2026-07-17 · 167 obs

● 2021-01-18 13:45:58
● 2026-02-17 09:44:26
○ 2026-02-17 10:28:34
● 2026-02-17 13:55:52
● 2026-02-22 11:29:10
○ 2026-02-22 13:39:38
● 2026-02-22 18:15:08
● 2026-02-28 04:37:56
○ 2026-02-28 12:13:48
● 2026-02-28 17:50:10
● 2026-03-02 00:04:18
○ 2026-03-02 04:10:18
● 2026-03-02 10:03:36
● 2026-03-04 23:41:26
○ 2026-03-05 03:45:52
● 2026-03-05 11:29:56
● 2026-03-10 07:19:54
○ 2026-03-10 08:49:10
○ 2026-03-10 17:12:24
● 2026-03-10 21:20:36
● 2026-03-11 03:45:24
○ 2026-03-11 07:36:50
● 2026-03-11 13:28:52
● 2026-03-11 21:21:52
○ 2026-03-12 05:00:00
● 2026-03-12 07:07:06
● 2026-03-14 00:17:34
○ 2026-03-14 05:00:14
○ 2026-03-14 12:17:52
● 2026-03-14 14:40:28
● 2026-03-16 05:37:14
○ 2026-03-16 09:07:34
● 2026-03-16 20:52:28
○ 2026-03-17 00:27:26
● 2026-03-17 05:51:10
○ 2026-03-17 13:48:00
○ 2026-03-17 14:44:10
● 2026-03-17 20:47:26
● 2026-03-22 02:09:46
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● 2026-03-22 11:12:30
● 2026-03-24 08:03:06
○ 2026-03-24 09:43:38
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● 2026-03-27 08:00:02
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● 2026-06-26 21:47:44
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● 2026-06-27 07:31:32
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● 2026-06-28 13:51:10
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● 2026-06-29 01:27:56
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● 2026-06-29 14:14:48
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● 2026-06-30 06:57:18
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● 2026-07-02 00:12:56
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● 2026-07-03 20:38:54
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● 2026-07-04 04:31:48
○ 2026-07-04 07:56:08
● 2026-07-04 09:27:54
○ 2026-07-04 16:23:14
● 2026-07-04 17:17:16
○ 2026-07-04 20:17:42
● 2026-07-04 20:53:28
○ 2026-07-05 10:25:14
● 2026-07-07 09:55:12
○ 2026-07-07 16:30:52
● 2026-07-07 18:22:06
○ 2026-07-08 13:46:38
● 2026-07-08 14:31:22
○ 2026-07-09 07:56:00
● 2026-07-09 09:49:30
○ 2026-07-09 15:33:12
● 2026-07-09 16:10:44
○ 2026-07-10 06:00:24
● 2026-07-10 06:41:14
○ 2026-07-10 13:18:00
● 2026-07-11 01:32:24
○ 2026-07-11 04:31:16
● 2026-07-11 15:03:38
○ 2026-07-12 01:00:18
● 2026-07-12 02:25:02
○ 2026-07-13 23:44:36
● 2026-07-14 03:32:58
○ 2026-07-14 07:57:06
● 2026-07-14 10:25:54
○ 2026-07-15 18:48:20
● 2026-07-15 20:04:46
○ 2026-07-16 19:35:30
● 2026-07-16 20:28:36
● 2026-07-17 01:07:30

●A2401:dd00:1::1892021-01-18 → 2026-07-17 · 164 obs

● 2021-01-18 13:45:58
● 2026-02-15 15:02:48
○ 2026-02-15 16:08:16
● 2026-02-15 21:20:52
● 2026-02-17 13:55:52
○ 2026-02-17 17:50:12
● 2026-02-17 23:27:56
● 2026-02-20 16:34:24
○ 2026-02-20 20:36:44
● 2026-02-20 23:26:52
● 2026-02-22 11:29:10
○ 2026-02-22 13:39:38
● 2026-02-22 18:15:08
● 2026-02-28 04:37:56
○ 2026-02-28 12:13:48
● 2026-02-28 17:50:10
● 2026-03-02 00:04:18
○ 2026-03-02 04:10:18
● 2026-03-02 10:03:36
● 2026-03-04 23:41:26
○ 2026-03-05 03:45:52
● 2026-03-05 11:29:56
● 2026-03-08 18:03:06
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● 2026-03-09 03:02:56
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● 2026-03-14 10:51:22
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● 2026-03-17 05:51:10
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🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ac.lk	ns1.ac.lk, ns3.ac.lk, ns2.ac.lk	-

✅ Authoritative Response

Server:192.248.1.161

NS records: ns1.ac.lk, ns3.ac.lk, ns2.ac.lk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ac.lk (unsigned zone)

⏱️ Timing

Total: 572ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`192.248.1.189`
AAAA	1	`2401:dd00:1::189`
NS	4	`ns3.ac.lk, ns1.ac.lk...`
MX	2	`in-relay-t.ac.lk (pri: 60), in-relay.ac.lk (pri: 50)`
TXT	4	`DZC=C8jrxii, v=spf1 ~all...`
SOA	1	`ns1.ac.lk noc.learn.ac.lk`

Analysis

Hierarchy

ucr.ac.lk, vpa.ac.lk, ugc.ac.lk, sllc.ac.lk, seu.ac.lk and a few other host names are all children of ac.lk.

IP Addresses

ac.lk has two IP addresses: 192.248.1.189 and 2401:dd00:1::189

Additional host names such as learn.lk, www.ac.lk, wiki.learn.ac.lk and learn.ac.lk share IP numbers with ac.lk.

Name Servers

The authoritative name servers for ac.lk are ns1.ac.lk, ns2.ac.lk, ns3.ac.lk and lk.communitydns.net.

The name servers of ac.lk overlap at least partially with those of other domains — among them 76.248.192.in-addr.arpa, 106.248.192.in-addr.arpa, uwu.ac.lk and two more.

These name servers commonly appear in delegations together with ns.ac.lk, h.nic.lk, m.nic.lk and 7 other.

Each of the four hosts ns1.ac.lk, ns2.ac.lk, ns3.ac.lk and lk.communitydns.net has two IP addresses. ns1.ac.lk points to 192.248.1.162 and 2401:dd00:1::162. ns2.ac.lk points to 192.248.1.161 and 2401:dd00:1::161. ns3.ac.lk points to 192.248.121.3 and 2401:dd00:1:1::3. lk.communitydns.net points to 194.0.1.27 and 2001:678:4::1b.

Mail Servers

Mail for ac.lk is handled by two mail servers — in-relay-t.ac.lk and in-relay.ac.lk.

ac.lk uses an identical mail server configuration to several other domains — among them cache-o.mrt.ac.lk, moodle.mrt.ac.lk, test-gw.mrt.ac.lk and two more.

ac.lk has at least partial mail server overlap with other domains such as pdn.ac.lk, nara.ac.lk, icgat.mrt.ac.lk and two more.

This set of mail servers commonly appears together with the mail servers in-relay-s.ac.lk.

Each of the two host names carries two IP addresses: in-relay-t.ac.lk points to 192.248.1.182 and 2401:dd00:1::182, and in-relay.ac.lk points to 192.248.1.166 and 2401:dd00:1::166.

ac.lk - robtex.com

ac.lk

lk

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`ac.lk`

`lk`