`mailserver.substructural.co.uk`

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

`substructural.co.uk`

	DNSSEC	⚠️ Not signed
	A	5.77.42.197^{🇬🇧 IOMART-AS5.77.32.0/19 eUKhost LTD}
	NS	`ns1.livedns.co.uk` ⭐
	NS	`ns2.livedns.co.uk`
	NS	`ns3.livedns.co.uk`
	MX	`mailserver.livemail.co.uk` ⭐
	TXT	`TEST`
	TXT	`v=spf1 mx a include:_spf.livemail.co.uk ~all`
	SOA	`ns1.livedns.co.uk`admin@substructural.co.uk serial=1568317385

Same first word

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Similar names

DNS History

2 records (1 active, 1 former)

○A213.171.216.1142016-05-07 → 2016-06-23 · 3 obs

● 2016-05-07 04:10:32
● 2016-06-23 13:22:06
○ 2026-04-29 19:59:44

●A213.171.216.402026-04-29 → 2026-04-29 · 2 obs

○ 2016-06-23 13:22:06
● 2026-04-29 19:59:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
uk	nsa.nic.uk, nsb.nic.uk, nsc.nic.uk, nsd.nic.uk...	-
substructural.co.uk	ns1.livedns.co.uk, ns2.livedns.co.uk, ns3.livedns.co.uk	6 records

✅ Authoritative Response

Server:185.132.35.244

NS records: ns1.livedns.co.uk, ns2.livedns.co.uk, ns3.livedns.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 288ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`213.171.216.40`

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns1.livedns.co.uk, ns2.livedns.co.uk, ns3.livedns.co.uk...)

Analysis

IP Addresses

mailserver.substructural.co.uk resolves to one IP number: 213.171.216.40.

other host names including mailserver.citiworks.nl, mailserver.sat24.co.uk, mailserver.audistratford.com, mailserver.chinamould.com and mailserver.themoatcottage.com share IP numbers with mailserver.substructural.co.uk.

mailserver.substructural.co.uk - robtex.com