503.co - robtex.com
503.co
co
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.registrydns.co | ||||||
| NS | b.registrydns.co | ||||||
| NS | c.registrydns.co | ||||||
| NS | d.registrydns.co | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1759708735 | ||||||
Same first word
Similar names
DNS History
9 records (4 active, 5 former)
○NSf1g1ns1.dnspod.net2017-02-16 → 2017-02-16 · 3 obs
○ 2026-03-17 06:47:14
○ 2026-07-18 03:46:40
○NSf1g1ns2.dnspod.net2017-02-16 → 2017-02-16 · 3 obs
○ 2026-03-17 06:47:14
○ 2026-07-18 03:46:40
●NSns-cloud-d1.googledomains.com2026-03-17 → 2026-07-18 · 3 obs
● 2026-03-17 06:47:14
● 2026-07-18 03:46:40
●NSns-cloud-d2.googledomains.com2026-03-17 → 2026-07-18 · 3 obs
● 2026-03-17 06:47:14
● 2026-07-18 03:46:40
●NSns-cloud-d3.googledomains.com2026-03-17 → 2026-07-18 · 3 obs
● 2026-03-17 06:47:14
● 2026-07-18 03:46:40
●NSns-cloud-d4.googledomains.com2026-03-17 → 2026-07-18 · 3 obs
● 2026-03-17 06:47:14
● 2026-07-18 03:46:40
○MXmx.mailgee.com2017-02-16 → 2017-02-16 · 3 obs
○ 2026-03-17 06:47:14
○ 2026-07-18 03:46:40
○A47.90.105.712017-02-16 → 2017-02-16 · 3 obs
○ 2026-03-17 06:47:14
○ 2026-07-18 03:46:40
○CNAMEj.mailgee.com2017-02-16 → 2017-02-16 · 3 obs
○ 2026-03-17 06:47:14
○ 2026-07-18 03:46:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | a.registrydns.co, d.registrydns.co, c.registrydns.co, b.registrydns.co | - |
| 503.co | ns-cloud-d1.googledomains.com, ns-cloud-d2.googledomains.com, ns-cloud-d3.googledomains.com, ns-cloud-d4.googledomains.com | - |
✅ Authoritative Response
Server:216.239.38.109
NS records: ns-cloud-d1.googledomains.com, ns-cloud-d2.googledomains.com, ns-cloud-d3.googledomains.com, ns-cloud-d4.googledomains.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 503.co (unsigned zone)
⏱️ Timing
Total: 2249ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-cloud-d4.googledomains.com, ns-cloud-d3.googledomains.com... |
| SOA | 1 | ns-cloud-d1.googledomains.com cloud-dns- |
Analysis
Name Servers
503.co has four authoritative name servers: ns-cloud-d1.googledomains.com, ns-cloud-d2.googledomains.com, ns-cloud-d3.googledomains.com and ns-cloud-d4.googledomains.com.
There is at least partial name server overlap between 503.co and other domains — marakkech.com, wagyu22ranch.com, harveydavidson.com and two more among them.
All four hostnames — ns-cloud-d1.googledomains.com, ns-cloud-d2.googledomains.com, ns-cloud-d3.googledomains.com and ns-cloud-d4.googledomains.com — resolve to two IP numbers apiece: ns-cloud-d1.googledomains.com to 216.239.32.109 and 2001:4860:4802:32::6d; ns-cloud-d2.googledomains.com to 216.239.34.109 and 2001:4860:4802:34::6d; ns-cloud-d3.googledomains.com to 216.239.36.109 and 2001:4860:4802:36::6d; ns-cloud-d4.googledomains.com to 216.239.38.109 and 2001:4860:4802:38::6d.