`firstsubsea.com`

DNSSEC	⚠️ Not signed
A	95.179.233.118^{🇬🇧 AS-VULTR95.179.224.0/20 Vultr Assigned Prefix}
		PTR	`95.179.233.118.vultrusercontent.com`
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	`firstsubsea-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca0b::^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-lo2p265cu02300.inbound.protection.outlook.com`
		A	2a01:111:f403:ca0b::1^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-lo3p265cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:ca0b::2^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-lo0p265cu00202.inbound.protection.outlook.com`
		A	2a01:111:f403:ca1a::^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-cwxp265cu00500.inbound.protection.outlook.com`
		A	52.101.89.0^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-lo2p265cu02300.inbound.protection.outlook.com`
		A	52.101.89.1^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-lo0p265cu00201.inbound.protection.outlook.com`
		A	52.101.99.0^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cwxp265cu00600.inbound.protection.outlook.com`
		A	52.101.99.2^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cwxp265cu00502.inbound.protection.outlook.com`
TXT	`access-domain-verification=e1d4130d493191a30404629acfdf95837ae73a5a92f10f48e0...`
TXT	`_oxka7z8t673xiif4eymcysl6rhfazi4`
TXT	`_oghzhnl78p5l5kudlxv51y0um22oz58`
TXT	`_9ucariwg3h3ksfy99xxc0obdj3zb084`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ns0.zen.co.uk`netman@zen.co.uk 2011-11-05 #11

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1786435609

Subdomains

mail2.firstsubsea.com

Same first word

firstsubsea.com

DNS History

10 records (4 active, 6 former)

●NSns0.zen.co.uk2015-08-05 → 2026-08-11 · 2 obs

● 2015-08-05 11:46:32
● 2026-08-11 08:10:52

●NSns1.zen.co.uk2015-08-05 → 2026-08-11 · 2 obs

● 2015-08-05 11:46:32
● 2026-08-11 08:10:52

○NSunamuno.zen.co.uk2015-08-05 → 2017-07-04 · 4 obs

● 2015-08-05 11:46:32
● 2017-07-04 03:52:20
○ 2026-02-16 23:00:58
○ 2026-08-11 08:10:52

●MXfirstsubsea-com.mail.protection.outlook.com2026-02-16 → 2026-08-11 · 3 obs

○ 2017-07-04 03:52:20
● 2026-02-16 23:00:58
● 2026-08-11 08:10:52

○MXmail.firstsubsea.com2015-08-05 → 2015-11-29 · 4 obs

● 2015-08-05 11:46:32
● 2015-11-29 17:00:16
○ 2016-03-15 22:26:30
○ 2026-08-11 08:10:52

○MXmail2.firstsubsea.com2015-08-05 → 2015-11-29 · 4 obs

● 2015-08-05 11:46:32
● 2015-11-29 17:00:16
○ 2016-03-15 22:26:30
○ 2026-08-11 08:10:52

○MXmx1.hdcloud.co.uk2016-03-15 → 2017-07-04 · 5 obs

○ 2015-11-29 17:00:16
● 2016-03-15 22:26:30
● 2017-07-04 03:52:20
○ 2026-02-16 23:00:58
○ 2026-08-11 08:10:52

○MXmx2.hdcloud.co.uk2016-03-15 → 2017-07-04 · 5 obs

○ 2015-11-29 17:00:16
● 2016-03-15 22:26:30
● 2017-07-04 03:52:20
○ 2026-02-16 23:00:58
○ 2026-08-11 08:10:52

○A84.45.254.262015-08-05 → 2017-07-04 · 4 obs

● 2015-08-05 11:46:32
● 2017-07-04 03:52:20
○ 2026-02-16 23:00:58
○ 2026-08-11 08:10:52

●A95.179.233.1182026-02-16 → 2026-08-11 · 3 obs

○ 2017-07-04 03:52:20
● 2026-02-16 23:00:58
● 2026-08-11 08:10:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
firstsubsea.com	ns0.zen.co.uk, ns1.zen.co.uk	-

✅ 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 firstsubsea.com (unsigned zone)

⏱️ Timing

Total: 741ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`95.179.233.118`
NS	2	`ns1.zen.co.uk, ns0.zen.co.uk`
MX	1	`firstsubsea-com.mail.protection.outlook.`
TXT	5	`access-domain-verification=e1d4130d49319, v=spf1 include:spf.protection.outlook.co...`
SOA	1	`ns0.zen.co.uk netman.zen.co.uk`

Analysis

Hierarchy

mail2.firstsubsea.com is a subdomain of firstsubsea.com.

IP Addresses

firstsubsea.com points to a single IP number: 95.179.233.118.

Additional host names — cheshirelmcs.org.uk, worldofbeatrixpotter.com, derbyshirelmc.org.uk and two others — share IP numbers with firstsubsea.com.

Name Servers

firstsubsea.com is served by two delegated name servers, ns0.zen.co.uk and ns1.zen.co.uk.

firstsubsea.com shares its name server setup with other domains, including mystoneacre.com, chemguide.uk, pcm-studio.com and two others.

Each of the two host names carries two IP addresses: ns0.zen.co.uk points to 212.23.8.1 and 2a02:8010:7:1::53, and ns1.zen.co.uk points to 212.23.3.1 and 2a02:8010:2:8::53.

Mail Servers

firstsubsea.com has one mail server: firstsubsea-com.mail.protection.outlook.com.

firstsubsea-com.mail.protection.outlook.com points to 8 IP numbers: 52.101.89.0, 52.101.89.1, 52.101.99.0 and 5 other.

firstsubsea.com - robtex.com

firstsubsea.com

com