optimization.dk - dns.ninja

`optimization.dk`

DNSSEC	🔒 Signed (DS record present)
A	94.231.107.70^{🇩🇰 team-blue-denmark94.231.96.0/20 ZITCOM A/S}
		PTR	`linux32.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`
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 1781538481localtime Mon Jun 15 17:48:01 2026gmtime Mon Ju...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1781538481

Same first word

DNS History

15 records (6 active, 9 former)

○NSns0.dns-services.org2015-07-04 → 2017-02-03 · 4 obs

● 2015-07-04 09:35:08
● 2017-02-03 20:28:26
○ 2020-02-20 10:03:00
○ 2026-06-15 15:52:20

○NSns1.dns-services.org2015-07-04 → 2017-02-03 · 4 obs

● 2015-07-04 09:35:08
● 2017-02-03 20:28:26
○ 2020-02-20 10:03:00
○ 2026-06-15 15:52:20

●NSns1.simply.com2026-02-28 → 2026-06-15 · 3 obs

○ 2020-02-20 10:03:00
● 2026-02-28 23:50:20
● 2026-06-15 15:52:20

○NSns1.unoeuro.com2020-02-20 → 2020-02-20 · 4 obs

○ 2017-02-03 20:28:26
● 2020-02-20 10:03:00
○ 2026-02-28 23:50:20
○ 2026-06-15 15:52:20

●NSns2.simply.com2026-02-28 → 2026-06-15 · 3 obs

○ 2020-02-20 10:03:00
● 2026-02-28 23:50:20
● 2026-06-15 15:52:20

○NSns2.unoeuro.com2020-02-20 → 2020-02-20 · 4 obs

○ 2017-02-03 20:28:26
● 2020-02-20 10:03:00
○ 2026-02-28 23:50:20
○ 2026-06-15 15:52:20

●NSns3.simply.com2026-02-28 → 2026-06-15 · 3 obs

○ 2020-02-20 10:03:00
● 2026-02-28 23:50:20
● 2026-06-15 15:52:20

○NSns3.unoeuro.com2020-02-20 → 2020-02-20 · 4 obs

○ 2017-02-03 20:28:26
● 2020-02-20 10:03:00
○ 2026-02-28 23:50:20
○ 2026-06-15 15:52:20

●NSns4.simply.com2026-02-28 → 2026-06-15 · 3 obs

○ 2020-02-20 10:03:00
● 2026-02-28 23:50:20
● 2026-06-15 15:52:20

○NSns4.unoeuro.com2020-02-20 → 2020-02-20 · 4 obs

○ 2017-02-03 20:28:26
● 2020-02-20 10:03:00
○ 2026-02-28 23:50:20
○ 2026-06-15 15:52:20

●MXmx.simply.com2026-02-28 → 2026-06-15 · 6 obs

○ 2020-02-20 10:03:00
● 2026-02-28 23:50:20
● 2026-05-24 20:01:16
○ 2026-05-29 21:13:46
● 2026-06-08 05:07:54
● 2026-06-15 15:52:20

○MXmx.unoeuro.com2020-02-20 → 2020-02-20 · 4 obs

○ 2017-02-03 20:28:26
● 2020-02-20 10:03:00
○ 2026-02-28 23:50:20
○ 2026-06-15 15:52:20

○MXsmtp.danhost.dk2015-07-04 → 2017-02-03 · 4 obs

● 2015-07-04 09:35:08
● 2017-02-03 20:28:26
○ 2020-02-20 10:03:00
○ 2026-06-15 15:52:20

○A31.193.237.1682015-07-04 → 2017-02-03 · 4 obs

● 2015-07-04 09:35:08
● 2017-02-03 20:28:26
○ 2020-02-20 10:03:00
○ 2026-06-15 15:52:20

●A94.231.107.702020-02-20 → 2026-06-15 · 6 obs

○ 2017-02-03 20:28:26
● 2020-02-20 10:03:00
● 2026-05-24 20:01:16
○ 2026-05-29 21:13:46
● 2026-06-08 05:07:54
● 2026-06-15 15:52:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk...	12 records
optimization.dk	ns1.simply.com, ns2.simply.com, ns3.simply.com, ns4.simply.com	-

✅ Authoritative Response

Server:91.197.248.78

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: 1001ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`94.231.107.70`
NS	4	`ns2.simply.com, ns3.simply.com...`
MX	1	`mx.simply.com (pri: 10)`
SOA	1	`ns1.simply.com hostmaster.simply.com`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (b.nic.dk, b.nic.dk, c.nic.dk...)

Analysis

IP Addresses

optimization.dk directs to one IP number, which is 94.231.107.70.

Among the host names that share IP numbers with optimization.dk are tracemydevice.com, mail.bifrostskolen.com, willy.dk and two others.

Name Servers

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

The name servers of optimization.dk overlap at least partially with those of other domains — among them dofler.dk, celebrate-africa.com, autofinder.dk and two more.

These name servers commonly appear in combination with the name servers ns1.unoeuro.com.

Hosts with two IP numbers each:

ns1.simply.com resolves to 91.197.248.78 and 2a02:2339:1:15c::4562:4562.

ns2.simply.com resolves to 185.25.141.15 and 2a02:2339:4006:101::4562:4562.

Hosts that resolve to one IP address:

ns3.simply.com resolves to 91.197.248.79.

ns4.simply.com resolves to 91.197.248.80.

Mail Servers

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

optimization.dk has the same mail server arrangement as a number of other domains, for example imfeld.com, shortcuttools.com, teatermorgana.dk and two more.

optimization.dk has mail servers in common with other domains — personalfit.dk being one example.

mx.simply.com points to one IP number — 94.231.106.20.