tertiary-mx.uk - robtex.com
tertiary-mx.uk
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2001:8b0:0:30::51bb:1e1d🇬🇧 AS207122001:8b0::/48 | ||||||
| PTR | d.1.e.1.b.b.1.5.0.0.0.0.0.0.0.0.0.3.0.0.0.0.0.0.0.b.8.0.1.0.0.2.ip6.arpa | ||||||
| A | 81.187.30.29🇬🇧 AS2071281.187.30.0/23 AAISP | ||||||
| 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 | primary-dns.uk | ||||||
| A | 2001:8b0:0:30::51bb:1e29🇬🇧 AS207122001:8b0::/48 | ||||||
| PTR | a-nameless.aa.net.uk | ||||||
| A | 81.187.30.41🇬🇧 AS2071281.187.30.0/23 AAISP | ||||||
| PTR | a-nameless.aa.net.uk | ||||||
| NS | secondary-dns.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 | 81.187.81.32🇬🇧 AS2071281.187.0.0/16 UKLIR | ||||||
| PTR | 81-187-81-32.ip4.reverse-dns.uk | ||||||
| SOA | primary-dns.co.ukhostmaster@tertiary-mx.uk 2025-09-16 #1 | ||||||
uk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | dns1.nic.uk ⭐ | ||||||
| NS | dns2.nic.uk | ||||||
| NS | dns3.nic.uk | ||||||
| NS | dns4.nic.uk | ||||||
| NS | nsa.nic.uk | ||||||
| NS | nsb.nic.uk | ||||||
| NS | nsc.nic.uk | ||||||
| NS | nsd.nic.uk | ||||||
| SOA | dns1.nic.ukhostmaster@nic.uk serial=1778605695 | ||||||
Previously MX for
Same first word
tertiary-mx.uk |
tertiary-mx.net |
tertiary-mx.co.uk |
DNS History
5 records (5 active, 0 former)
●NSprimary-dns.co.uk2015-11-14 → 2026-05-12 · 3 obs
● 2015-11-14 21:05:06
● 2026-05-12 17:16:28
●NSprimary-dns.uk2015-06-16 → 2026-05-12 · 4 obs
○ 2015-11-14 21:05:06
● 2016-12-21 06:08:50
● 2026-05-12 17:16:28
●NSsecondary-dns.uk2015-06-16 → 2026-05-12 · 2 obs
● 2026-05-12 17:16:28
●A2001:8b0:0:30::51bb:1e1d2015-06-16 → 2026-05-12 · 2 obs
● 2026-05-12 17:16:28
●A81.187.30.292015-06-16 → 2026-05-12 · 2 obs
● 2026-05-12 17:16:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| uk | nsa.nic.uk, nsb.nic.uk, nsc.nic.uk, nsd.nic.uk... | - |
| tertiary-mx.uk | primary-dns.uk, secondary-dns.uk | 4 records |
✅ Authoritative Response
Server:81.187.30.41
NS records: primary-dns.uk, secondary-dns.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tertiary-mx.uk (unsigned zone)
⏱️ Timing
Total: 278ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.187.30.29 |
| AAAA | 1 | 2001:8b0:0:30::51bb:1e1d |
| NS | 2 | primary-dns.uk, secondary-dns.uk |
| SOA | 1 | primary-dns.co.uk hostmaster.tertiary-mx |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (primary-dns.uk, secondary-dns.uk, primary-dns.uk...)
Analysis
IP Addresses
Two IP numbers are pointed to by tertiary-mx.uk: 2001:8b0:0:30::51bb:1e1d and 81.187.30.29.
Other host names, for instance relentless.aa.net.uk and tertiary-mx.co.uk, share IP numbers with tertiary-mx.uk.
Name Servers
tertiary-mx.uk is delegated to three name servers primary-dns.uk, secondary-dns.uk and primary-dns.co.uk.
tertiary-mx.uk at least partially shares name servers with other domains, for instance trueimage.co.uk, millstonelandscapes.co.uk, stirlingmaynard.com, rothera.com and officenetworkplace.com.
These name servers are commonly used alongside secondary-dns.co.uk.
Host names with two IP numbers:
- primary-dns.uk points to: 2001:8b0:0:30::51bb:1e29 and 81.187.30.41
- secondary-dns.uk points to: 2001:8b0:0:81::51bb:5120 and 81.187.81.32
- primary-dns.co.uk points to: 2001:8b0:0:30::51bb:1e29 and 194.4.174.1
Host names that point to 2001:8b0:0:30::51bb:1e29: primary-dns.uk and primary-dns.co.uk
Note: 2001:8b0:0:30::51bb:1e29 is a common target for primary-dns.uk and primary-dns.co.uk