undefined.dk - dns.ninja

`undefined.dk`

DNSSEC	🔒 Signed (DS record present)
A	104.19.208.28^{Cloudflare104.19.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
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`
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 1784672641localtime Wed Jul 22 00:24:01 2026gmtime Tue Ju...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1784672641

Subdomains

www.undefined.dk

Same first word

Similar names

ideenfund.com

funindeed.com

unidefend.com

ineedfund.com

DNS History

11 records (5 active, 6 former)

○NSns.andersenit.dk2015-08-11 → 2016-09-07 · 4 obs

● 2015-08-11 11:54:34
● 2016-09-07 23:29:00
○ 2021-05-02 07:32:02
○ 2026-07-21 22:33:40

○NSns1.andersenit.dk2015-08-11 → 2016-09-07 · 4 obs

● 2015-08-11 11:54:34
● 2016-09-07 23:29:00
○ 2021-05-02 07:32:02
○ 2026-07-21 22:33:40

●NSns1.simply.com2021-05-02 → 2026-07-21 · 3 obs

○ 2016-09-07 23:29:00
● 2021-05-02 07:32:02
● 2026-07-21 22:33:40

●NSns2.simply.com2021-05-02 → 2026-07-21 · 3 obs

○ 2016-09-07 23:29:00
● 2021-05-02 07:32:02
● 2026-07-21 22:33:40

●NSns3.simply.com2021-05-02 → 2026-07-21 · 3 obs

○ 2016-09-07 23:29:00
● 2021-05-02 07:32:02
● 2026-07-21 22:33:40

●NSns4.simply.com2021-05-02 → 2026-07-21 · 3 obs

○ 2016-09-07 23:29:00
● 2021-05-02 07:32:02
● 2026-07-21 22:33:40

○MXmx.simply.com2021-05-02 → 2026-02-16 · 5 obs

○ 2016-09-07 23:29:00
● 2021-05-02 07:32:02
● 2026-02-16 12:09:04
○ 2026-02-20 02:54:00
○ 2026-07-21 22:33:40

○MXsmtp-mx.undefined.dk2015-08-11 → 2016-09-07 · 4 obs

● 2015-08-11 11:54:34
● 2016-09-07 23:29:00
○ 2021-05-02 07:32:02
○ 2026-07-21 22:33:40

●A104.19.208.282026-02-16 → 2026-07-21 · 3 obs

○ 2021-05-05 12:21:58
● 2026-02-16 12:09:04
● 2026-07-21 22:33:40

○A87.238.248.1622015-08-11 → 2016-09-07 · 4 obs

● 2015-08-11 11:54:34
● 2016-09-07 23:29:00
○ 2021-05-02 07:32:02
○ 2026-07-21 22:33:40

○A93.191.156.492021-05-02 → 2021-05-05 · 5 obs

○ 2016-09-07 23:29:00
● 2021-05-02 07:32:02
● 2021-05-05 12:21:58
○ 2026-02-16 12:09:04
○ 2026-07-21 22:33:40

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:91.197.248.79

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: 1254ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`104.19.208.28`
NS	4	`ns4.simply.com, ns3.simply.com...`
TXT	1	`v=spf1 include:spf.simply.com ~all`
SOA	1	`ns1.simply.com hostmaster.simply.com`

Analysis

Hierarchy

The domain www.undefined.dk falls under the parent undefined.dk.

IP Addresses

undefined.dk resolves to one IP address: 104.19.208.28.

odensewaste.com, hoogweg.nl, flagshipfarmers.com and two other host names share IP numbers with undefined.dk.

Name Servers

The authoritative name servers for undefined.dk are ns1.simply.com, ns2.simply.com, ns3.simply.com and ns4.simply.com.

At least some of undefined.dk's name servers are shared with other domains, for example casaholiday.eu, elland.dk, dkfs.dk and two more.

Hostnames that resolve to two IP addresses:

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

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

Hosts with just one IP address:

ns3.simply.com points to the IP address 91.197.248.79.

ns4.simply.com points to the IP address 91.197.248.80.