halfdan.dk - dns.ninja

`halfdan.dk`

DNSSEC	🔒 Signed (DS record present)
A	93.191.156.103^{🇩🇰 team-blue-denmark93.191.152.0/21 ZITCOM A/S}
		PTR	`linux224.unoeuro.com`
NS	`ns1.simply.com` ⭐
		A	2a02:2339:1:15c::4562:4562^{🇩🇰 team-blue-denmark2a02:2339::/36}
			PTR	`ns1.simply.com`
		A	91.197.248.78^{🇩🇰 team-blue-denmark91.197.248.0/22}
			PTR	`ns1.simply.com`
NS	`ns2.simply.com`
		A	2a02:2339:4006:101::4562:4562^{🇩🇰 team-blue-denmark2a02:2339:4000::/34}
			PTR	`ns2.simply.com`
		A	185.25.141.15^{🇩🇰 team-blue-denmark185.25.141.0/24 Zitcom A/S}
			PTR	`ns2.simply.com`
NS	`ns3.simply.com`
		A	91.197.248.79^{🇩🇰 team-blue-denmark91.197.248.0/22}
			PTR	`ns3.simply.com`
NS	`ns4.simply.com`
		A	91.197.248.80^{🇩🇰 team-blue-denmark91.197.248.0/22}
			PTR	`ns4.simply.com`
MX	`mx.simply.com` ⭐
		A	94.231.106.20^{🇩🇰 team-blue-denmark94.231.96.0/20 ZITCOM A/S}
			PTR	`mx.simply.com`
TXT	`v=spf1 include:spf.simply.com ~all`
SOA	`ns1.simply.com`hostmaster@simply.com 2025-04-23 #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 1783665721localtime Fri Jul 10 08:42:01 2026gmtime Fri Ju...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1783665721

Subdomains

mail.halfdan.dk

www.halfdan.dk

Same first word

halfdan.me

halfdan.is

halfdan.no

halfdan.com

halfdan.net

halfdan.org

halfdan.ca

halfdan.dk

Similar names

fahland.eu

fhaland.com

dhfalan.com

halfand.com

dafanhl.com

halfand.co

fahland.de

DNS History

15 records (6 active, 9 former)

○NSns1.gratisdns.dk2015-07-16 → 2019-12-22 · 4 obs

● 2015-07-16 19:15:00
● 2019-12-22 18:28:00
○ 2026-03-20 06:53:06
○ 2026-07-10 06:45:14

●NSns1.simply.com2026-03-20 → 2026-07-10 · 3 obs

○ 2019-12-22 18:28:00
● 2026-03-20 06:53:06
● 2026-07-10 06:45:14

○NSns2.gratisdns.dk2015-07-16 → 2019-12-22 · 4 obs

● 2015-07-16 19:15:00
● 2019-12-22 18:28:00
○ 2026-03-20 06:53:06
○ 2026-07-10 06:45:14

●NSns2.simply.com2026-03-20 → 2026-07-10 · 3 obs

○ 2019-12-22 18:28:00
● 2026-03-20 06:53:06
● 2026-07-10 06:45:14

○NSns3.gratisdns.dk2015-07-16 → 2019-12-22 · 4 obs

● 2015-07-16 19:15:00
● 2019-12-22 18:28:00
○ 2026-03-20 06:53:06
○ 2026-07-10 06:45:14

●NSns3.simply.com2026-03-20 → 2026-07-10 · 3 obs

○ 2019-12-22 18:28:00
● 2026-03-20 06:53:06
● 2026-07-10 06:45:14

○NSns4.gratisdns.dk2015-07-16 → 2019-12-22 · 4 obs

● 2015-07-16 19:15:00
● 2019-12-22 18:28:00
○ 2026-03-20 06:53:06
○ 2026-07-10 06:45:14

●NSns4.simply.com2026-03-20 → 2026-07-10 · 3 obs

○ 2019-12-22 18:28:00
● 2026-03-20 06:53:06
● 2026-07-10 06:45:14

○NSns5.gratisdns.dk2015-07-16 → 2019-12-22 · 4 obs

● 2015-07-16 19:15:00
● 2019-12-22 18:28:00
○ 2026-03-20 06:53:06
○ 2026-07-10 06:45:14

○MXmail.halfdan.dk2015-07-16 → 2017-01-07 · 4 obs

● 2015-07-16 19:15:00
● 2017-01-07 21:51:32
○ 2019-12-22 18:28:00
○ 2026-07-10 06:45:14

○MXmail11.surftown.dk2015-07-16 → 2017-01-07 · 4 obs

● 2015-07-16 19:15:00
● 2017-01-07 21:51:32
○ 2019-12-22 18:28:00
○ 2026-07-10 06:45:14

●MXmx.simply.com2026-03-20 → 2026-07-10 · 3 obs

○ 2019-12-22 18:28:00
● 2026-03-20 06:53:06
● 2026-07-10 06:45:14

○MXmx.unoeuro.com2019-12-22 → 2019-12-22 · 4 obs

○ 2017-01-07 21:51:32
● 2019-12-22 18:28:00
○ 2026-03-20 06:53:06
○ 2026-07-10 06:45:14

○A212.97.132.1092015-07-16 → 2017-01-07 · 4 obs

● 2015-07-16 19:15:00
● 2017-01-07 21:51:32
○ 2019-12-22 18:28:00
○ 2026-07-10 06:45:14

●A93.191.156.1032019-12-22 → 2026-07-10 · 3 obs

○ 2017-01-07 21:51:32
● 2019-12-22 18:28:00
● 2026-07-10 06:45:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	b.nic.dk, h.nic.dk, t.nic.dk, c.nic.dk...	-
halfdan.dk	ns1.simply.com, ns2.simply.com, ns3.simply.com, ns4.simply.com	-

✅ Authoritative Response

Server:185.25.141.15

NS records: ns1.simply.com, ns2.simply.com, ns3.simply.com, ns4.simply.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 858ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`93.191.156.103`
NS	4	`ns3.simply.com, ns4.simply.com...`
MX	1	`mx.simply.com (pri: 10)`
TXT	1	`v=spf1 include:spf.simply.com ~all`
SOA	1	`ns1.simply.com hostmaster.simply.com`

Analysis

Hierarchy

The parent domain of mail.halfdan.dk and www.halfdan.dk is halfdan.dk.

IP Addresses

halfdan.dk directs to one IP number, which is 93.191.156.103.

Among the host names that share IP numbers with halfdan.dk are linux224.unoeuro.com, smtp-mx.kendor.dk, lindros.se and two others.

Name Servers

The domain halfdan.dk is delegated to these four name servers: ns1.simply.com, ns2.simply.com, ns3.simply.com and ns4.simply.com.

halfdan.dk shares at least some of its name servers with other domains, including sminilac.dk, pulsmeter.se, arranger.dk and two others.

These name servers are frequently seen alongside the name servers ns1.unoeuro.com, ns2.unoeuro.com, ns3.unoeuro.com and ns4.unoeuro.com.

Hosts with two IP numbers each:

ns1.simply.com has two IP addresses: 91.197.248.78 and 2a02:2339:1:15c::4562:4562.

ns2.simply.com has two IP addresses: 185.25.141.15 and 2a02:2339:4006:101::4562:4562.

Hosts that resolve to one IP address:

ns3.simply.com directs to 91.197.248.79.

ns4.simply.com directs to 91.197.248.80.

Mail Servers

halfdan.dk routes its mail through a single mail server, mx.simply.com.

halfdan.dk has the same mail server arrangement as a number of other domains, for example norest.no, rost.dk, eriksson.eu and two more.

mx.simply.com has exactly one IP number: 94.231.106.20.