`mailserver.sup.org.uk`

	DNSSEC	⚠️ Not signed
	A	213.171.216.40^{🇬🇧 IONOS-AS213.171.192.0/19 Fasthosts Internet Ltd}

`sup.org.uk`

	DNSSEC	⚠️ Not signed
	A	77.68.64.45^{🇬🇧 IONOS-AS77.68.0.0/17 Fasthosts Internet Ltd}
	NS	`ns1.livedns.co.uk` ⭐
	NS	`ns2.livedns.co.uk`
	NS	`ns3.livedns.co.uk` ⚠️ Not in parent delegation
	MX	`sup-org-uk.mail.protection.outlook.com` ⭐
	TXT	`MS=DFE194D99C6BD023022EBDED3C8515D7E170B3F3`
	TXT	`v=spf1 include:spf.protection.outlook.com -all`
	TXT	`google-site-verification=RpUDDJAH42qZ2itaGls3wZXQbJLfShDhz7PuEgrGwEI`
	SOA	`ns1.livedns.co.uk`admin@sup.org.uk serial=1566569449

WOT: SAFE (63/100)
WOT: SAFE (75/100)

Previously MX for

sup.org.uk

Same first word

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Similar names

DNS History

1 record (1 active, 0 former)

●A213.171.216.402026-04-13 → 2026-04-13 · 2 obs

● 2026-04-13 00:57:14
● 2026-04-13 00:57:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
uk	nsa.nic.uk, nsb.nic.uk, nsc.nic.uk, nsd.nic.uk...	-
sup.org.uk	ns1.livedns.co.uk, ns2.livedns.co.uk	-

✅ Authoritative Response

Server:217.160.81.244

NS records: ns1.livedns.co.uk, ns2.livedns.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sup.org.uk (unsigned zone)

⏱️ Timing

Total: 667ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`213.171.216.40`

Analysis

IP Addresses

mailserver.sup.org.uk points to IP number 213.171.216.40.

For instance, other host names mail.letworld.co.uk, mail.247bet.com, mailserver.adgiftsonline.com, mailserver.porcelainoutdoors.co.uk and mail.winchesterrugby.co.uk share IP numbers with mailserver.sup.org.uk.

mailserver.sup.org.uk - robtex.com