mailserver.semt.co.uk - robtex.com

mailserver.semt.co.uk

DNSSEC⚠️ Not signed
A2a07:7800::200🇬🇧 TWENTYI2a07:7800::/48
A185.151.30.200🇬🇧 TWENTYI185.151.30.0/24

semt.co.uk

DNSSEC⚠️ Not signed
A2a07:7800::200🇬🇧 TWENTYI2a07:7800::/48
A185.151.30.200🇬🇧 TWENTYI185.151.30.0/24
NSns1.stackdns.com ⭐
NSns2.stackdns.com
NSns3.stackdns.com
NSns4.stackdns.com
MXmx.stackmail.com ⭐
TXTv=spf1 include:spf.stackmail.com a mx -all
SOAns1.stackdns.comhostmaster@stackdns.com serial=1689841860

Previously MX for

semt.co.uk

Same first word

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DNS History

2 records (2 active, 0 former)

A185.151.30.2002a07:7800::200
●A185.151.30.2002026-04-30 → 2026-05-11 · 2 obs
● 2026-04-30 16:11:42
● 2026-05-11 09:47:14
●A2a07:7800::2002026-04-30 → 2026-05-11 · 2 obs
● 2026-04-30 16:11:42
● 2026-05-11 09:47:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
uknsa.nic.uk, nsb.nic.uk, nsc.nic.uk, nsd.nic.uk...-
semt.co.ukns2.stackdns.com, ns4.stackdns.com, ns1.stackdns.com, ns3.stackdns.com-

✅ Authoritative Response

Server:146.148.28.88

NS records: ns2.stackdns.com, ns4.stackdns.com, ns1.stackdns.com, ns3.stackdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for semt.co.uk (unsigned zone)

⏱️ Timing

Total: 360ms | Queries: -

📄 Records

TypeCountSample Data
A1185.151.30.200
AAAA12a07:7800::200

Analysis

IP Addresses

mailserver.semt.co.uk points to two IPs: 2a07:7800::200 and 185.151.30.200.

Other host names, for instance swmpdnky.com, twinlakes.cagedfish.co.uk, www.samsi.no, sixtypluslife.com and tron-electric.co.uk share IP numbers with mailserver.semt.co.uk.