docs.co - dns.ninja
docs.co
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1-01.azure-dns.com ⭐ | ||||||
| A | 2603:1061:0:700::1🇺🇸 Microsoft2603:1000::/25 MICROSOFT | ||||||
| PTR | ns1-01.azure-dns.com | ||||||
| A | 13.107.236.1🇺🇸 Microsoft13.104.0.0/14 MICROSOFT | ||||||
| PTR | ns1-01.azure-dns.com | ||||||
| NS | ns2-01.azure-dns.net | ||||||
| A | 2620:1ec:8ec:700::1🇺🇸 Microsoft2620:1ec::/36 MICROSOFT | ||||||
| PTR | ns2-01.azure-dns.net | ||||||
| A | 150.171.21.1🇺🇸 Microsoft150.171.0.0/16 MICROSOFT | ||||||
| PTR | ns2-01.azure-dns.net | ||||||
| NS | ns3-01.azure-dns.org | ||||||
| A | 2a01:111:4000:700::1🇬🇧 Microsoft2a01:111:4000::/36 | ||||||
| PTR | ns3-01.azure-dns.org | ||||||
| A | 204.14.183.1🇺🇸 Microsoft204.14.180.0/22 | ||||||
| PTR | ns3-01.azure-dns.org | ||||||
| NS | ns4-01.azure-dns.info | ||||||
| A | 2620:1ec:bda:700::1🇺🇸 Microsoft2620:1ec::/36 MICROSOFT | ||||||
| PTR | ns4-01.azure-dns.info | ||||||
| A | 208.84.5.1🇺🇸 Microsoft208.84.0.0/21 MICROSOFT | ||||||
| PTR | ns4-01.azure-dns.info | ||||||
| SOA | ns1-01.azure-dns.comazuredns-hostmaster@microsoft.com serial=1 | ||||||
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=1759674017 | ||||||
Same first word
Similar names
DNS History
10 records (4 active, 6 former)
●NSns1-01.azure-dns.com2026-02-19 → 2026-06-04 · 3 obs
● 2026-02-19 12:45:06
● 2026-06-04 03:42:38
○NSns1.msft.net2015-09-11 → 2016-12-26 · 4 obs
● 2016-12-26 13:53:44
○ 2026-02-19 12:45:06
○ 2026-06-04 03:42:38
●NSns2-01.azure-dns.net2026-02-19 → 2026-06-04 · 3 obs
● 2026-02-19 12:45:06
● 2026-06-04 03:42:38
○NSns2.msft.net2015-09-11 → 2016-12-26 · 4 obs
● 2016-12-26 13:53:44
○ 2026-02-19 12:45:06
○ 2026-06-04 03:42:38
●NSns3-01.azure-dns.org2026-02-19 → 2026-06-04 · 3 obs
● 2026-02-19 12:45:06
● 2026-06-04 03:42:38
○NSns3.msft.net2015-09-11 → 2016-12-26 · 4 obs
● 2016-12-26 13:53:44
○ 2026-02-19 12:45:06
○ 2026-06-04 03:42:38
●NSns4-01.azure-dns.info2026-02-19 → 2026-06-04 · 3 obs
● 2026-02-19 12:45:06
● 2026-06-04 03:42:38
○NSns4.msft.net2015-09-11 → 2016-12-26 · 4 obs
● 2016-12-26 13:53:44
○ 2026-02-19 12:45:06
○ 2026-06-04 03:42:38
○A64.4.6.2332015-07-06 → 2015-07-06 · 3 obs
○ 2015-09-11 19:46:50
○ 2026-06-04 03:42:38
○A65.55.39.122015-07-06 → 2015-07-06 · 3 obs
○ 2015-09-11 19:46:50
○ 2026-06-04 03:42:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | a.registrydns.co, c.registrydns.co, b.registrydns.co, d.registrydns.co | - |
| docs.co | ns1-01.azure-dns.com, ns2-01.azure-dns.net, ns3-01.azure-dns.org, ns4-01.azure-dns.info | - |
✅ Authoritative Response
Server:208.84.5.1
NS records: ns1-01.azure-dns.com, ns2-01.azure-dns.net, ns3-01.azure-dns.org, ns4-01.azure-dns.info
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for docs.co (unsigned zone)
⏱️ Timing
Total: 3020ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns1-01.azure-dns.com, ns2-01.azure-dns.net... |
| SOA | 1 | ns1-01.azure-dns.com azuredns-hostmaster |
Analysis
Name Servers
docs.co delegates DNS authority to 4 name servers — ns1-01.azure-dns.com, ns4-01.azure-dns.info, ns2-01.azure-dns.net and ns3-01.azure-dns.org.
docs.co partially shares its NS delegation with several other domains, including mpclp.com, graincorp.com.au, top200.co.nz and two others.
ns1-01.azure-dns.com, ns4-01.azure-dns.info, ns2-01.azure-dns.net and ns3-01.azure-dns.org each carry two IP addresses. ns1-01.azure-dns.com has 13.107.236.1 and 2603:1061:0:700::1; ns4-01.azure-dns.info has 208.84.5.1 and 2620:1ec:bda:700::1; ns2-01.azure-dns.net has 150.171.21.1 and 2620:1ec:8ec:700::1; ns3-01.azure-dns.org has 204.14.183.1 and 2a01:111:4000:700::1.