`e4structures.co.uk`

DNSSEC	⚠️ Not signed
A	88.98.24.137^{🇬🇧 ZEN-AS88.98.24.0/21 Zen Internet Ltd}
		PTR	`88-98-24-137.hosting.zen.co.uk`
NS	`ns0.zen.co.uk` ⭐
		A	2a02:8010:7:1::53^{🇬🇧 ZEN-AS2a02:8010::/29 Zen Internet Ltd}
			PTR	`ns0.zen.co.uk`
		A	212.23.8.1^{🇬🇧 ZEN-AS212.23.0.0/19 Zen Internet Ltd}
			PTR	`ns0.zen.co.uk`
NS	`ns1.zen.co.uk`
		A	2a02:8010:2:8::53^{🇬🇧 ZEN-AS2a02:8010::/29 Zen Internet Ltd}
			PTR	`ns1.zen.co.uk`
		A	212.23.3.1^{🇬🇧 ZEN-AS212.23.0.0/19 Zen Internet Ltd}
			PTR	`ns1.zen.co.uk`
MX	`mx1-eu.emailsecurity.app` ⭐
		A	132.164.188.153^{🇬🇧 Microsoft132.164.0.0/16}
			PTR	`mx2-eu.emailsecurity.app`
MX	`mx2-eu.emailsecurity.app`⁽²⁰⁾
		A	4.245.183.72^{🇮🇪 Microsoft4.240.0.0/12 MICROSOFT}
			PTR	`mx1-eu.emailsecurity.app`
TXT	`v=spf1 ip4:82.68.45.86 include:spf.protection.outlook.com include:spf1.emails...`
TXT	`MS=ms54064534`
SOA	`ns0.zen.co.uk`netman@zen.co.uk 2010-04-21 #55

`co.uk`

	DNSSEC	⚠️ Not signed
	NS	`dns1.nic.uk` ⭐ ⚠️ Not in parent delegation
	NS	`dns2.nic.uk` ⚠️ Not in parent delegation
	NS	`dns3.nic.uk` ⚠️ Not in parent delegation
	NS	`dns4.nic.uk` ⚠️ Not in parent delegation
	NS	`nsa.nic.uk` ⚠️ Not in parent delegation
	NS	`nsb.nic.uk` ⚠️ Not in parent delegation
	NS	`nsc.nic.uk` ⚠️ Not in parent delegation
	NS	`nsd.nic.uk` ⚠️ Not in parent delegation
	SOA	`dns1.nic.uk`hostmaster@nominet.org.uk serial=1774596676

rank #171524 globally
rank #13403 in the tld
WOT: SAFE (74/100)

Same first word

e4structures.co.uk

DNS History

12 records (5 active, 7 former)

●NSns0.zen.co.uk2015-06-26 → 2026-03-27 · 2 obs

● 2015-06-26 19:12:22
● 2026-03-27 07:39:46

●NSns1.zen.co.uk2015-06-26 → 2026-03-27 · 2 obs

● 2015-06-26 19:12:22
● 2026-03-27 07:39:46

○NSunamuno.zen.co.uk2015-06-26 → 2017-03-15 · 4 obs

● 2015-06-26 19:12:22
● 2017-03-15 02:12:00
○ 2026-03-11 16:48:16
○ 2026-03-27 07:39:46

○MXe4structures-co-uk.mx1.arsmtp.com2026-03-11 → 2026-03-27 · 2 obs

○ 2026-03-11 16:48:16
○ 2026-03-27 07:39:46

○MXe4structures-co-uk.mx2.arsmtp.com2026-03-11 → 2026-03-27 · 2 obs

○ 2026-03-11 16:48:16
○ 2026-03-27 07:39:46

○MXinboundcluster1.messageexchange.com2015-06-26 → 2017-03-15 · 4 obs

● 2015-06-26 19:12:22
● 2017-03-15 02:12:00
○ 2026-03-11 16:48:16
○ 2026-03-27 07:39:46

○MXinboundcluster2.messageexchange.com2015-06-26 → 2017-03-15 · 4 obs

● 2015-06-26 19:12:22
● 2017-03-15 02:12:00
○ 2026-03-11 16:48:16
○ 2026-03-27 07:39:46

○MXinboundcluster3.messageexchange.com2015-06-26 → 2017-03-15 · 4 obs

● 2015-06-26 19:12:22
● 2017-03-15 02:12:00
○ 2026-03-11 16:48:16
○ 2026-03-27 07:39:46

○MXinboundcluster4.messageexchange.com2015-06-26 → 2017-03-15 · 4 obs

● 2015-06-26 19:12:22
● 2017-03-15 02:12:00
○ 2026-03-11 16:48:16
○ 2026-03-27 07:39:46

●MXmx1-eu.emailsecurity.app2026-03-11 → 2026-03-27 · 3 obs

○ 2017-03-15 02:12:00
● 2026-03-11 16:48:16
● 2026-03-27 07:39:46

●MXmx2-eu.emailsecurity.app2026-03-11 → 2026-03-27 · 3 obs

○ 2017-03-15 02:12:00
● 2026-03-11 16:48:16
● 2026-03-27 07:39:46

●A88.98.24.1372015-06-26 → 2026-03-27 · 2 obs

● 2015-06-26 19:12:22
● 2026-03-27 07:39:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
uk	nsa.nic.uk, nsb.nic.uk, nsc.nic.uk, nsd.nic.uk...	-
e4structures.co.uk	ns0.zen.co.uk, ns1.zen.co.uk	2 records

✅ Authoritative Response

Server:212.23.8.1

NS records: ns0.zen.co.uk, ns1.zen.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for e4structures.co.uk (unsigned zone)

⏱️ Timing

Total: 321ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`88.98.24.137`
NS	2	`ns0.zen.co.uk, ns1.zen.co.uk`
MX	2	`mx1-eu.emailsecurity.app (pri: 10), mx2-eu.emailsecurity.app (pri: 20)`
TXT	2	`v=spf1 ip4:82.68.45.86 include:spf.prote, MS=ms54064534`
SOA	1	`ns0.zen.co.uk netman.zen.co.uk`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns0.zen.co.uk, ns1.zen.co.uk)

Analysis

IP Addresses

e4structures.co.uk points to IP number: 88.98.24.137.

Other host names such as mx1.oxlow.com, mx0.oxlow.com, oxlow.com, theoldoriginal.co.uk and mail.theoldoriginal.co.uk share IPs with e4structures.co.uk.

Name Servers

e4structures.co.uk is delegated to two name servers: ns0.zen.co.uk and ns1.zen.co.uk.

e4structures.co.uk shares the same name server setup as gbsfreight.co.uk, burnleyyouththeatre.org, 159.148.51.in-addr.arpa, rworms.co.uk and stdavids-online.co.uk.

Host names with two IP numbers: ns0.zen.co.uk points to: 2a02:8010:7:1::53 and 212.23.8.1; ns1.zen.co.uk points to: 2a02:8010:2:8::53 and 212.23.3.1.

Mail Servers

e4structures.co.uk is handled by two mail servers: mx1-eu.emailsecurity.app and mx2-eu.emailsecurity.app.

The mail server setup for e4structures.co.uk matches that of other domains, for instance una-alliance.com, wmgrowth.com, debenconstruction.com, threeway.us and chancellorsmills.com.

e4structures.co.uk shares at least partially some mail servers with other domains, including westhighlandgas.co.uk, propitch.online, gleesonprecast.com, sentinel-healthcare.co.uk and wasteinitiatives.com.au.

Host names with a single IP:

mx1-eu.emailsecurity.app points to 132.164.188.153.

mx2-eu.emailsecurity.app points to 4.245.183.72.

e4structures.co.uk - robtex.com