winfin.cz - robtex.com
winfin.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 46.28.106.207🇨🇿 WEDOS46.28.104.0/21 Internet, a.s. | ||||||
| PTR | hc1-wd391.wedos.net | ||||||
| NS | ns2.web4u.cz ⭐ | ||||||
| A | 2a02:a40:100:28ff::12🇨🇿 BlueTone-AS2a02:a40::/32 Ceske Radiokomunikace, a.s. | ||||||
| PTR | ns2.web4u.cz | ||||||
| A | 85.207.53.12🇨🇿 BlueTone-AS85.207.0.0/16 BlueTone-CRa-CZ Fourth address block | ||||||
| PTR | ns2.web4u.cz | ||||||
| NS | ns.web4u.cz | ||||||
| A | 2001:1568:fd::241🇨🇿 WEB4U2001:1568::/33 | ||||||
| PTR | ns.web4u.cz | ||||||
| A | 185.14.224.241🇨🇿 WEB4U185.14.224.0/23 | ||||||
| PTR | ns.web4u.cz | ||||||
| MX | wes1-mx1.wedos.net ⭐ | ||||||
| A | 46.28.106.11🇨🇿 WEDOS46.28.104.0/21 Internet, a.s. | ||||||
| PTR | wes1-mx1.wedos.net | ||||||
| MX | wes1-mx2.wedos.net ⭐ | ||||||
| A | 46.28.106.12🇨🇿 WEDOS46.28.104.0/21 Internet, a.s. | ||||||
| PTR | wes1-mx2.wedos.net | ||||||
| MX | wes1-mx-backup.wedos.net(10) | ||||||
| A | 46.28.106.56🇨🇿 WEDOS46.28.104.0/21 Internet, a.s. | ||||||
| PTR | wes1-mx-backup.wedos.net | ||||||
| TXT | v=spf1 mx a include:_spf.we.wedos.net -all | ||||||
| SOA | ns.web4u.czadmin@web4u.cz 2024-05-08 #5 | ||||||
cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.ns.nic.cz ⭐ | ||||||
| NS | b.ns.nic.cz | ||||||
| NS | c.ns.nic.cz | ||||||
| NS | d.ns.nic.cz | ||||||
| SOA | a.ns.nic.czhostmaster@nic.cz serial=1784341041 | ||||||
Subdomains
mail.winfin.cz |
Same first word
Similar names
DNS History
8 records (6 active, 2 former)
○MXmail.winfin.cz2015-08-09 → 2020-02-25 · 4 obs
● 2020-02-25 12:43:50
○ 2026-02-15 22:40:12
○ 2026-07-18 02:45:44
●MXwes1-mx-backup.wedos.net2026-02-15 → 2026-07-18 · 3 obs
● 2026-02-15 22:40:12
● 2026-07-18 02:45:44
●MXwes1-mx1.wedos.net2026-02-15 → 2026-07-18 · 3 obs
● 2026-02-15 22:40:12
● 2026-07-18 02:45:44
●MXwes1-mx2.wedos.net2026-02-15 → 2026-07-18 · 3 obs
● 2026-02-15 22:40:12
● 2026-07-18 02:45:44
●A46.28.106.2072026-02-15 → 2026-07-18 · 3 obs
● 2026-02-15 22:40:12
● 2026-07-18 02:45:44
○A81.91.85.832015-08-09 → 2020-02-25 · 4 obs
● 2020-02-25 12:43:50
○ 2026-02-15 22:40:12
○ 2026-07-18 02:45:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | 8 records |
| winfin.cz | ns.web4u.cz, ns2.web4u.cz | 4 records |
✅ Authoritative Response
Server:85.207.53.12
NS records: ns.web4u.cz, ns2.web4u.cz
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1054ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 46.28.106.207 |
| NS | 2 | ns.web4u.cz, ns2.web4u.cz |
| MX | 3 | wes1-mx1.wedos.net (pri: 1), wes1-mx2.wedos.net (pri: 1)... |
| TXT | 1 | v=spf1 mx a include:_spf.we.wedos.net -a |
| SOA | 1 | ns.web4u.cz admin.web4u.cz |
📌 Glue Records Collected
Total: 12
In-bailiwick: 8 (a.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz...)
Out-of-bailiwick: 4 (ns.web4u.cz, ns.web4u.cz, ns2.web4u.cz...)
Analysis
Hierarchy
winfin.cz serves as the parent of mail.winfin.cz.
IP Addresses
winfin.cz points to a single IP number: 46.28.106.207.
Additional host names — montelope.info, alwilmedical.com, hasebnitechnika.cz and two others — share IP numbers with winfin.cz.
Name Servers
Two name servers handle the delegation for winfin.cz: ns2.web4u.cz and ns.web4u.cz.
winfin.cz shares its name server setup with other domains, including motiongrafika.cz, eyetowers.com, panelektro.eu and two others.
ns2.web4u.cz and ns.web4u.cz both carry two IP addresses. The A records for ns2.web4u.cz are 85.207.53.12 and 2a02:a40:100:28ff::12; the A records for ns.web4u.cz are 185.14.224.241 and 2001:1568:fd::241.
Mail Servers
winfin.cz has three mail servers: wes1-mx-backup.wedos.net, wes1-mx1.wedos.net and wes1-mx2.wedos.net.
winfin.cz shares mail servers — at least in part — with other domains, including dronmania.cz, vysocinskalesni.cz, kvu.cz and two others.
wes1-mx-backup.wedos.net points to 46.28.106.56; wes1-mx1.wedos.net points to 46.28.106.11; wes1-mx2.wedos.net points to 46.28.106.12 — each hostname maps to exactly one IP address.