`transmarksubsea.com`

DNSSEC	⚠️ Not signed
A	81.21.224.16^{🇸🇪 KARNIT81.21.224.0/24}
		PTR	`webcluster01.coreit.cloud`
NS	`ns1.coreit.se` ⭐
		A	2a0d:26c0:3:50::18^{🇸🇪 KARNIT2a0d:26c0::/32}
			PTR	`ns1.coreit.se`
		A	85.11.198.175^{🇸🇪 KARNIT85.11.192.0/18 Ovik Energi AB}
NS	`ns2.coreit.se`
		A	2603:1020:201:e::170^{🇳🇱 Microsoft2603:1000::/25 MICROSOFT}
		A	20.73.51.17^{🇳🇱 Microsoft20.64.0.0/10}
			PTR	`ns2.coreit.se`
NS	`ns3.coreit.se`
		A	2a0d:26c0:3:1::10^{🇸🇪 KARNIT2a0d:26c0::/32}
		A	81.21.224.20^{🇸🇪 KARNIT81.21.224.0/24}
			PTR	`ns3.coreit.se`
MX	`mx1.azureit.se` ⭐
		A	193.12.108.42^{🇸🇪 SWIPNET193.12.0.0/14 In case of improper use originating from our network, please mail customer or}
			PTR	`mx1.azureit.se`
MX	`mx2.azureit.se` ⭐
		A	193.12.108.43^{🇸🇪 SWIPNET193.12.0.0/14 In case of improper use originating from our network, please mail customer or}
			PTR	`mx2.azureit.se`
TXT	`v=spf1 include:_spf.azureit.se include:spf.protection.outlook.com include:spf...`
TXT	`COREID=TANG`
TXT	`google-site-verification=iPyaBuPj1wErrxS4XNHdV4TGF1SYkwv_npLeV-so7d8`
SOA	`ns1.coreit.se`registry@coreit.se 2025-03-18 #18

`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=1776999896

Same first word

transmarksubsea.com

DNS History

11 records (6 active, 5 former)

●NSns1.coreit.se2026-03-06 → 2026-04-24 · 3 obs

○ 2017-04-18 11:38:02
● 2026-03-06 03:31:06
● 2026-04-24 03:19:06

○NSns1.hyp.net2015-06-27 → 2017-04-18 · 4 obs

● 2015-06-27 10:44:24
● 2017-04-18 11:38:02
○ 2026-03-06 03:31:06
○ 2026-04-24 03:19:06

●NSns2.coreit.se2026-03-06 → 2026-04-24 · 3 obs

○ 2017-04-18 11:38:02
● 2026-03-06 03:31:06
● 2026-04-24 03:19:06

○NSns2.hyp.net2015-06-27 → 2017-04-18 · 4 obs

● 2015-06-27 10:44:24
● 2017-04-18 11:38:02
○ 2026-03-06 03:31:06
○ 2026-04-24 03:19:06

●NSns3.coreit.se2026-03-06 → 2026-04-24 · 3 obs

○ 2017-04-18 11:38:02
● 2026-03-06 03:31:06
● 2026-04-24 03:19:06

○NSns3.hyp.net2015-06-27 → 2017-04-18 · 4 obs

● 2015-06-27 10:44:24
● 2017-04-18 11:38:02
○ 2026-03-06 03:31:06
○ 2026-04-24 03:19:06

●MXmx1.azureit.se2026-03-06 → 2026-04-24 · 3 obs

○ 2017-04-18 11:38:02
● 2026-03-06 03:31:06
● 2026-04-24 03:19:06

●MXmx2.azureit.se2026-03-06 → 2026-04-24 · 3 obs

○ 2017-04-18 11:38:02
● 2026-03-06 03:31:06
● 2026-04-24 03:19:06

○MXtransmarksubsea-com.mail.protection.outlook.com2015-06-27 → 2017-04-18 · 4 obs

● 2015-06-27 10:44:24
● 2017-04-18 11:38:02
○ 2026-03-06 03:31:06
○ 2026-04-24 03:19:06

○A194.63.248.522015-06-27 → 2017-04-18 · 4 obs

● 2015-06-27 10:44:24
● 2017-04-18 11:38:02
○ 2026-03-06 03:31:06
○ 2026-04-24 03:19:06

●A81.21.224.162026-03-06 → 2026-04-24 · 3 obs

○ 2017-04-18 11:38:02
● 2026-03-06 03:31:06
● 2026-04-24 03:19:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net, m.gtld-servers.net...	-
transmarksubsea.com	ns1.coreit.se, ns2.coreit.se, ns3.coreit.se	-

✅ Authoritative Response

Server:85.11.198.175

NS records: ns1.coreit.se, ns2.coreit.se, ns3.coreit.se

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for transmarksubsea.com (unsigned zone)

⏱️ Timing

Total: 1200ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.21.224.16`
NS	3	`ns1.coreit.se, ns2.coreit.se...`
MX	2	`mx1.azureit.se (pri: 10), mx2.azureit.se (pri: 10)`
TXT	3	`v=spf1 include:_spf.azureit.se include:s, COREID=TANG...`
SOA	1	`ns1.coreit.se registry.coreit.se`

Analysis

IP Addresses

transmarksubsea.com resolves to one IP number: 81.21.224.16.

Other host names, for instance maskincentrum.com, isabsundsvall.se, lyckobacken.se, erkyl.se and coreit.se share IP numbers with transmarksubsea.com.

Name Servers

transmarksubsea.com is delegated to three name servers: ns1.coreit.se, ns2.coreit.se and ns3.coreit.se.

transmarksubsea.com at least partially shares name servers with other domains, including sagab.se, timraelmontage.se, nordicflanges.se, bewag.se and byggsmideiovik.se.

Host names with two IP numbers:

ns1.coreit.se: 2a0d:26c0:3:50::18 and 85.11.198.175

ns2.coreit.se: 2603:1020:201:e::170 and 20.73.51.17

ns3.coreit.se: 2a0d:26c0:3:1::10 and 81.21.224.20

Mail Servers

transmarksubsea.com is served by two mail servers mx1.azureit.se and mx2.azureit.se.

transmarksubsea.com shares the same mail server setup as other domains, for instance jtrlining.com, starofhope.se, azureit.se, coreit.biz and gullbergs.se.

transmarksubsea.com shares at least some mail servers with other domains, for example nordlanderproduktion.se, cuponline.se, coreit.cloud, inlandsluft.com and structor.se.

Host names with a single IP address: mx1.azureit.se points to 193.12.108.42; mx2.azureit.se points to 193.12.108.43.

transmarksubsea.com - robtex.com