https.co.uk - robtex.com
https.co.uk
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2001:8b0:0:81::51bb:5179🇬🇧 AS207122001:8b0::/48 | ||||||
| PTR | 9.7.1.5.b.b.1.5.0.0.0.0.0.0.0.0.1.8.0.0.0.0.0.0.0.b.8.0.1.0.0.2.ip6.arpa | ||||||
| A | 81.187.81.121🇬🇧 AS2071281.187.0.0/16 UKLIR | ||||||
| NS | primary-dns.co.uk ⭐ | ||||||
| A | 2001:8b0:0:30::51bb:1e29🇬🇧 AS207122001:8b0::/48 | ||||||
| PTR | a-nameless.aa.net.uk | ||||||
| A | 194.4.174.1🇬🇧 AS20712194.4.172.0/22 AAISP | ||||||
| PTR | primary-dns.co.uk | ||||||
| NS | secondary-dns.co.uk | ||||||
| A | 2001:8b0:0:81::51bb:5120🇬🇧 AS207122001:8b0::/48 | ||||||
| PTR | 0.2.1.5.b.b.1.5.0.0.0.0.0.0.0.0.1.8.0.0.0.0.0.0.0.b.8.0.1.0.0.2.ip6.arpa | ||||||
| A | 194.4.173.1🇬🇧 AS20712194.4.172.0/22 AAISP | ||||||
| PTR | 1.173.4.194.in-addr.arpa | ||||||
| MX | https.co.uk ⭐ | ||||||
| A | 2001:8b0:0:81::51bb:5179🇬🇧 AS207122001:8b0::/48 | ||||||
| PTR | 9.7.1.5.b.b.1.5.0.0.0.0.0.0.0.0.1.8.0.0.0.0.0.0.0.b.8.0.1.0.0.2.ip6.arpa | ||||||
| A | 81.187.81.121🇬🇧 AS2071281.187.0.0/16 UKLIR | ||||||
| PTR | 81-187-81-121.ip4.reverse-dns.uk | ||||||
| SOA | primary-dns.co.ukhostmaster@https.co.uk 2025-09-16 #1 | ||||||
co.uk
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns1.nic.uk ⭐ ⚠️ Not in parent delegation | ||||||
| NS | dns2.nic.uk ⚠️ Not in parent delegation | ||||||
| NS | dns3.nic.uk ⚠️ Not in parent delegation | ||||||
| NS | dns4.nic.uk ⚠️ Not in parent delegation | ||||||
| NS | nsa.nic.uk ⚠️ Not in parent delegation | ||||||
| NS | nsb.nic.uk ⚠️ Not in parent delegation | ||||||
| NS | nsc.nic.uk ⚠️ Not in parent delegation | ||||||
| NS | nsd.nic.uk ⚠️ Not in parent delegation | ||||||
| SOA | dns1.nic.ukhostmaster@nominet.org.uk serial=1783156818 | ||||||
rank #3343 in the tld
WOT: SAFE (74/100)
MX for
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSprimary-dns.co.uk2015-08-10 → 2026-07-04 · 2 obs
● 2026-07-04 09:38:10
●NSsecondary-dns.co.uk2015-08-10 → 2026-07-04 · 2 obs
● 2026-07-04 09:38:10
●MXhttps.co.uk2015-08-10 → 2026-07-04 · 2 obs
● 2026-07-04 09:38:10
●A2001:8b0:0:81::51bb:51792015-08-10 → 2026-07-04 · 2 obs
● 2026-07-04 09:38:10
●A81.187.81.1212015-08-10 → 2026-07-04 · 2 obs
● 2026-07-04 09:38:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| uk | nsb.nic.uk, nsa.nic.uk, dns4.nic.uk, dns3.nic.uk... | - |
| https.co.uk | secondary-dns.co.uk, primary-dns.co.uk | 4 records |
✅ Authoritative Response
Server:194.4.173.1
NS records: secondary-dns.co.uk, primary-dns.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for https.co.uk (unsigned zone)
⏱️ Timing
Total: 276ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.187.81.121 |
| AAAA | 1 | 2001:8b0:0:81::51bb:5179 |
| NS | 2 | secondary-dns.co.uk, primary-dns.co.uk |
| MX | 1 | https.co.uk (pri: 10) |
| SOA | 1 | primary-dns.co.uk hostmaster.https.co.uk |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (secondary-dns.co.uk, primary-dns.co.uk, secondary-dns.co.uk...)
Analysis
Mail Server Role
https.co.uk handles incoming mail for https.uk as well as for https.co.uk.
IP Addresses
https.co.uk points to the IP addresses 81.187.81.121 and 2001:8b0:0:81::51bb:5179
https.uk and 81-187-81-121.ip4.reverse-dns.uk are among other host names that share IP numbers with https.co.uk.
Name Servers
Two name servers handle the delegation for https.co.uk: primary-dns.co.uk and secondary-dns.co.uk.
https.co.uk shares its NS records with other domains, for example mainly.me.uk, ypical.com, crowth.org.uk and two others.
The name servers of https.co.uk overlap at least partially with those of other domains — among them 10.66.2.81.in-addr.arpa, avitechuk.com, grantura.uk and two more.
These name servers commonly appear alongside the name servers primary-dns.uk and secondary-dns.uk.
primary-dns.co.uk and secondary-dns.co.uk both carry two IP addresses. The A records for primary-dns.co.uk are 194.4.174.1 and 2001:8b0:0:30::51bb:1e29; the A records for secondary-dns.co.uk are 194.4.173.1 and 2001:8b0:0:81::51bb:5120.
Mail Servers
https.co.uk is served by just one mail server: https.co.uk.
Mail server setup for https.co.uk matches that of other domains, among them https.uk.
https.co.uk resolves to two IP numbers — 81.187.81.121 and 2001:8b0:0:81::51bb:5179.