`mailserver.3core.co.uk`

	DNSSEC	⚠️ Not signed
	A	2a01:4f8:1c17:fa73::1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
	A	142.132.181.81^{🇩🇪 Hetzner142.132.128.0/17 HETZNER-DC}

`3core.co.uk`

	DNSSEC	⚠️ Not signed
	A	2a01:4f8:c014:b2d8::1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
	A	88.198.116.121^{🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4}
	NS	`ns1.dovendi.nl` ⭐
	NS	`ns2.dovendi.eu`
	NS	`ns3.dovendi.eu`
	MX	`mx186.m2bp.com` ⭐
	MX	`mx186.mb1p.com` ⭐
	TXT	`afternic-verification-8jDbcERHhqPtecPbFcqVib`
	TXT	`v=spf1 -all`
	TXT	`c604ce15b99eb0dfb8d78cf6ae04008d34e61ed6`
	TXT	`dan-ownership-verification=2de7dbe2`
	SOA	`ns1.dovendi.nl`info@dovendi.com 2026-06-27 #1

Previously MX for

3core.co.uk

Same first word

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Similar names

DNS History

4 records (2 active, 2 former)

○A0.0.0.02026-02-17 → 2026-02-17 · 4 obs

○ 2016-07-05 19:28:34
● 2026-02-17 06:18:48
○ 2026-03-17 11:44:50
○ 2026-07-12 01:11:32

●A142.132.181.812026-03-17 → 2026-07-12 · 9 obs

○ 2026-02-17 06:18:48
● 2026-03-17 11:44:50
● 2026-06-05 16:29:36
○ 2026-06-05 22:38:44
● 2026-06-06 00:59:30
● 2026-06-06 13:21:18
○ 2026-06-06 18:51:10
● 2026-06-06 22:59:30
● 2026-07-12 01:11:32

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

● 2016-07-05 19:28:34
○ 2026-02-17 06:18:48
○ 2026-07-12 01:11:32

●A2a01:4f8:1c17:fa73::12026-03-17 → 2026-07-12 · 9 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
uk	nsa.nic.uk, nsb.nic.uk, nsc.nic.uk, nsd.nic.uk...	-
3core.co.uk	ns1.dovendi.nl, ns3.dovendi.eu, ns2.dovendi.eu	-

✅ Authoritative Response

Server:212.8.252.63

NS records: ns1.dovendi.nl, ns3.dovendi.eu, ns2.dovendi.eu

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 3core.co.uk (unsigned zone)

⏱️ Timing

Total: 1057ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`142.132.181.81`
AAAA	1	`2a01:4f8:1c17:fa73::1`

Analysis

IP Addresses

mailserver.3core.co.uk has two IP addresses: 142.132.181.81 and 2a01:4f8:1c17:fa73::1

Among the host names that share IP numbers with mailserver.3core.co.uk are mx.pyk.nl, fb14.compricon.nl, lebensversicherung-kapital-lebensversicherung.to10.de and two others.

mailserver.3core.co.uk - robtex.com