certoffice.org - robtex.com
certoffice.org
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1778613388 | ||||||
Same first word
certoffice.com |
certoffice.org |
Similar names
DNS History
5 records (3 active, 2 former)
●NSdns0.star.co.uk2015-08-03 → 2026-05-12 · 2 obs
● 2026-05-12 19:24:12
●NSdns1.star.co.uk2015-08-03 → 2026-05-12 · 2 obs
● 2026-05-12 19:24:12
●MXcertoffice-org.mail.protection.outlook.com2017-03-28 → 2026-05-12 · 3 obs
● 2017-03-28 11:09:44
● 2026-05-12 19:24:12
○MXengine01-20092-1.icritical.com2015-08-03 → 2016-08-20 · 4 obs
● 2016-08-20 22:55:40
○ 2017-03-28 11:09:44
○ 2026-05-12 19:24:12
○MXengine02-20092-2.icritical.com2015-08-03 → 2016-08-20 · 4 obs
● 2016-08-20 22:55:40
○ 2017-03-28 11:09:44
○ 2026-05-12 19:24:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| certoffice.org | dns0.star.co.uk, dns1.star.co.uk | - |
✅ Authoritative Response
Server:195.245.201.35
NS records: dns0.star.co.uk, dns1.star.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for certoffice.org (unsigned zone)
⏱️ Timing
Total: 627ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns0.star.co.uk, dns1.star.co.uk |
| MX | 1 | certoffice-org.mail.protection.outlook.c |
| TXT | 4 | MS=ms63588584, lop69p2rumqfcip9n0u8eme5lj... |
| SOA | 1 | dns0.star.co.uk abuse.star.net.uk |
Analysis
Name Servers
certoffice.org is delegated to two name servers dns0.star.co.uk and dns1.star.co.uk.
certoffice.org shares the same name server setup as other domains, for instance info.lauraashley.com, epilepsynse.org.uk, triplewax.info, raypowles.co.uk and teleware.co.uk.
certoffice.org at least partially shares name servers with other domains, for instance rlc-group.com, pmsgateway.com, cityandguildsgroup.com, 2012olympiclotterylondon.net and cronfaloteri.net.
these name servers are often used together with ns0.clara.net, ns2.clara.net, ns1.clara.net and ns1.claranet.com.
Host names with two IP numbers:
The host name dns0.star.co.uk points to 2001:67c:1088::10 and 185.77.72.10; the host name dns1.star.co.uk points to 2001:a88:0:fffa::3 and 195.245.201.35.
Mail Servers
certoffice.org is handled by a single mail server, certoffice-org.mail.protection.outlook.com.
Host certoffice-org.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::e, 2a01:111:f403:ca09::2, 2a01:111:f403:ca09::3, 2a01:111:f403:ca09::f, 52.101.73.12, 52.101.73.22, 52.101.73.26 and 52.101.73.153.