`computerscience.dk`

DNSSEC	🔒 Signed (DS record present)
NS	`arthur.cutisan.dk` ⭐
		A	2001:470:28:2f7:0:1:0:6^{🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`arthur.cutisan.dk`
		A	80.198.171.106^{🇩🇰 TDC80.196.0.0/14 Tele Danmark}
			PTR	`operakino.dk`
			PTR	`arthur.cutisan.com`
			PTR	`peter.naur.com`
			PTR	`www.naur.com`
			PTR	`arthur.cutisan.dk`
NS	`bes.cutisan.dk`
		A	2001:470:28:2f7:0:1:0:2^{🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`bes.cutisan.dk`
		A	80.198.171.102^{🇩🇰 TDC80.196.0.0/14 Tele Danmark}
			PTR	`bes.cutisan.com`
			PTR	`bes.cutisan.dk`
NS	`merlin.cutisan.dk`
		A	2001:470:28:2f7:0:1:0:1^{🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`merlin.cutisan.dk`
		A	80.198.171.101^{🇩🇰 TDC80.196.0.0/14 Tele Danmark}
			PTR	`merlin.cutisan.dk`
NS	`thoth.cutisan.net`
		A	2001:470:28:404:0:6:0:2^{🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`thoth.cutisan.net`
		A	217.61.218.196^{🇩🇰 Hiper217.61.216.0/21}
			PTR	`thoth.cutisan.net`
MX	`merlin.cutisan.dk` ⭐
		A	2001:470:28:2f7:0:1:0:1^{🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`merlin.cutisan.dk`
		A	80.198.171.101^{🇩🇰 TDC80.196.0.0/14 Tele Danmark}
			PTR	`merlin.cutisan.dk`
MX	`thoth.cutisan.net` ⭐
		A	2001:470:28:404:0:6:0:2^{🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`thoth.cutisan.net`
		A	217.61.218.196^{🇩🇰 Hiper217.61.216.0/21}
			PTR	`thoth.cutisan.net`
TXT	`v=spf1 include:_spf.myemail.dk -all`
SOA	`arthur.cutisan.dk`postmaster@cutisan.dk 2025-07-05 #0

`dk`

	DNSSEC	🔒 Signed (DS record present)
	NS	`b.nic.dk` ⭐
	NS	`c.nic.dk`
	NS	`h.nic.dk`
	NS	`l.nic.dk`
	NS	`s.nic.dk`
	NS	`t.nic.dk`
	TXT	`DK zone updateEpoch 1778539681localtime Tue May 12 00:48:01 2026gmtime Mon Ma...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1778539681

Same first word

DNS History

14 records (6 active, 8 former)

●NSarthur.cutisan.dk2015-08-16 → 2026-05-11 · 2 obs

● 2015-08-16 12:16:02
● 2026-05-11 23:18:40

●NSbes.cutisan.dk2015-08-16 → 2026-05-11 · 2 obs

● 2015-08-16 12:16:02
● 2026-05-11 23:18:40

●NSmerlin.cutisan.dk2015-08-16 → 2026-05-11 · 5 obs

● 2015-08-16 12:16:02
● 2016-11-30 05:06:34
○ 2020-01-26 14:06:46
● 2026-04-25 23:01:12
● 2026-05-11 23:18:40

○NSns1.avalonia.com2015-08-16 → 2016-11-30 · 4 obs

● 2015-08-16 12:16:02
● 2016-11-30 05:06:34
○ 2020-01-26 14:06:46
○ 2026-05-11 23:18:40

○NSns1.gratisdns.dk2020-01-26 → 2020-01-26 · 4 obs

○ 2016-11-30 05:06:34
● 2020-01-26 14:06:46
○ 2026-04-25 23:01:12
○ 2026-05-11 23:18:40

○NSns2.gratisdns.dk2020-01-26 → 2020-01-26 · 4 obs

○ 2016-11-30 05:06:34
● 2020-01-26 14:06:46
○ 2026-04-25 23:01:12
○ 2026-05-11 23:18:40

○NSns3.gratisdns.dk2020-01-26 → 2020-01-26 · 4 obs

○ 2016-11-30 05:06:34
● 2020-01-26 14:06:46
○ 2026-04-25 23:01:12
○ 2026-05-11 23:18:40

○NSns4.gratisdns.dk2020-01-26 → 2020-01-26 · 4 obs

○ 2016-11-30 05:06:34
● 2020-01-26 14:06:46
○ 2026-04-25 23:01:12
○ 2026-05-11 23:18:40

○NSns5.gratisdns.dk2020-01-26 → 2020-01-26 · 4 obs

○ 2016-11-30 05:06:34
● 2020-01-26 14:06:46
○ 2026-04-25 23:01:12
○ 2026-05-11 23:18:40

●NSthoth.cutisan.net2026-04-25 → 2026-05-11 · 3 obs

○ 2020-01-26 14:06:46
● 2026-04-25 23:01:12
● 2026-05-11 23:18:40

○MXarthur.cutisan.dk2015-08-16 → 2020-01-26 · 4 obs

● 2015-08-16 12:16:02
● 2020-01-26 14:06:46
○ 2026-04-25 23:01:12
○ 2026-05-11 23:18:40

○MXbes.cutisan.dk2015-08-16 → 2020-01-26 · 4 obs

● 2015-08-16 12:16:02
● 2020-01-26 14:06:46
○ 2026-04-25 23:01:12
○ 2026-05-11 23:18:40

●MXmerlin.cutisan.dk2026-04-25 → 2026-05-11 · 3 obs

○ 2020-01-26 14:06:46
● 2026-04-25 23:01:12
● 2026-05-11 23:18:40

●MXthoth.cutisan.net2026-04-25 → 2026-05-11 · 3 obs

○ 2020-01-26 14:06:46
● 2026-04-25 23:01:12
● 2026-05-11 23:18:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk...	-
computerscience.dk	bes.cutisan.dk, thoth.cutisan.net, arthur.cutisan.dk, merlin.cutisan.dk	5 records

✅ Authoritative Response

Server:80.198.171.101

NS records: bes.cutisan.dk, thoth.cutisan.net, arthur.cutisan.dk, merlin.cutisan.dk

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 2652ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`merlin.cutisan.dk, bes.cutisan.dk...`
MX	2	`thoth.cutisan.net (pri: 10), merlin.cutisan.dk (pri: 10)`
TXT	1	`v=spf1 include:_spf.myemail.dk -all`
SOA	1	`arthur.cutisan.dk postmaster.cutisan.dk`

📌 Glue Records Collected

Total: 5

Out-of-bailiwick: 5 (bes.cutisan.dk, bes.cutisan.dk, arthur.cutisan.dk...)

Analysis

Name Servers

computerscience.dk is delegated to four name servers: arthur.cutisan.dk, bes.cutisan.dk, merlin.cutisan.dk and thoth.cutisan.net.

computerscience.dk at least partially shares name servers with other domains, for example froekjaer.com, mailtools.dk, dodoz.com, macunix.dk and xn--farendlse-r8a.dk.

these name servers are commonly used with ns1.gratisdns.dk, ns2.gratisdns.dk, ns3.gratisdns.dk, ns4.gratisdns.dk, ns5.gratisdns.dk and ns1.avalonia.com.

Host names with two IP numbers:

arthur.cutisan.dk points to: 2001:470:28:2f7:0:1:0:6 and 80.198.171.106

bes.cutisan.dk points to: 2001:470:28:2f7:0:1:0:2 and 80.198.171.102

merlin.cutisan.dk points to: 2001:470:28:2f7:0:1:0:1 and 80.198.171.101

thoth.cutisan.net points to: 2001:470:28:404:0:6:0:2 and 217.61.218.196

Mail Servers

Two mail servers handle computerscience.dk: merlin.cutisan.dk and thoth.cutisan.net.

computerscience.dk shares the same mail server setup as other domains, including cutisan.com, nordrup.dk, operakino.dk, myemail.dk and eurosalg.dk.

computerscience.dk shares at least partially some mail servers with other domains, for instance kosmetiksalg.dk, thoth.cutisan.net, merlin.cutisan.dk, adlist.dk and subia.dk.

computerscience.dk - robtex.com