🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`knowledgeable.dk`

DNSSEC	🔒 Signed (DS record present)
NS	`ns01.one.com` ⭐
		A	2001:67c:28cc::10^{ONECOM-INFRA2001:67c:28cc::/48}
			PTR	`ns01.one.com`
		A	195.206.121.10^{ONECOM-INFRA195.206.121.0/24}
			PTR	`ns01.one.com`
NS	`ns02.one.com`
		A	2001:67c:3c0::10^{🇩🇰 ONECOM2001:67c:3c0::/48}
			PTR	`ns02.one.com`
		A	185.10.11.10^{ONECOM185.10.11.0/24}
			PTR	`ns02.one.com`
MX	`mx1.pub.mailpod11-cph3.one.com` ⭐
		A	104.37.34.230^{🇩🇰 ONECOM104.37.32.0/21 One.com A/S}
			PTR	`mx1.pub.mailpod11-cph3.one.com`
MX	`mx2.pub.mailpod11-cph3.one.com` ⭐
		A	104.37.34.231^{🇩🇰 ONECOM104.37.32.0/21 One.com A/S}
			PTR	`mx2.pub.mailpod11-cph3.one.com`
MX	`mx3.pub.mailpod11-cph3.one.com` ⭐
		A	104.37.34.232^{🇩🇰 ONECOM104.37.32.0/21 One.com A/S}
			PTR	`mx3.pub.mailpod11-cph3.one.com`
MX	`mx4.pub.mailpod11-cph3.one.com` ⭐
		A	104.37.34.233^{🇩🇰 ONECOM104.37.32.0/21 One.com A/S}
			PTR	`mx4.pub.mailpod11-cph3.one.com`
SOA	`ns01.one.com`hostmaster@one.com 2026-08-17 #1

`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 1789551900localtime Wed Sep 16 11:45:00 2026gmtime Wed Se...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1789551900

Same first word

Previous names

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DNS History

12 records (6 active, 6 former)

●NSns01.one.com2026-09-09 → 2026-09-16 · 3 obs

○ 2020-03-09 12:28:18
● 2026-09-09 05:22:12
● 2026-09-16 09:49:22

●NSns02.one.com2026-09-09 → 2026-09-16 · 3 obs

○ 2020-03-09 12:28:18
● 2026-09-09 05:22:12
● 2026-09-16 09:49:22

○NSns1.gratisdns.dk2016-03-15 → 2020-03-09 · 4 obs

● 2016-03-15 22:19:00
● 2020-03-09 12:28:18
○ 2026-09-09 05:22:12
○ 2026-09-16 09:49:22

○NSns2.gratisdns.dk2016-03-15 → 2020-03-09 · 4 obs

● 2016-03-15 22:19:00
● 2020-03-09 12:28:18
○ 2026-09-09 05:22:12
○ 2026-09-16 09:49:22

○NSns3.gratisdns.dk2016-03-15 → 2020-03-09 · 4 obs

● 2016-03-15 22:19:00
● 2020-03-09 12:28:18
○ 2026-09-09 05:22:12
○ 2026-09-16 09:49:22

○NSns4.gratisdns.dk2016-03-15 → 2020-03-09 · 4 obs

● 2016-03-15 22:19:00
● 2020-03-09 12:28:18
○ 2026-09-09 05:22:12
○ 2026-09-16 09:49:22

○NSns5.gratisdns.dk2016-03-15 → 2020-03-09 · 4 obs

● 2016-03-15 22:19:00
● 2020-03-09 12:28:18
○ 2026-09-09 05:22:12
○ 2026-09-16 09:49:22

○MXforwardsrs.net2016-03-15 → 2020-03-09 · 4 obs

● 2016-03-15 22:19:00
● 2020-03-09 12:28:18
○ 2026-09-09 05:22:12
○ 2026-09-16 09:49:22

●MXmx1.pub.mailpod11-cph3.one.com2026-09-09 → 2026-09-16 · 3 obs

○ 2020-03-09 12:28:18
● 2026-09-09 05:22:12
● 2026-09-16 09:49:22

●MXmx2.pub.mailpod11-cph3.one.com2026-09-09 → 2026-09-16 · 3 obs

○ 2020-03-09 12:28:18
● 2026-09-09 05:22:12
● 2026-09-16 09:49:22

●MXmx3.pub.mailpod11-cph3.one.com2026-09-09 → 2026-09-16 · 3 obs

○ 2020-03-09 12:28:18
● 2026-09-09 05:22:12
● 2026-09-16 09:49:22

●MXmx4.pub.mailpod11-cph3.one.com2026-09-09 → 2026-09-16 · 3 obs

○ 2020-03-09 12:28:18
● 2026-09-09 05:22:12
● 2026-09-16 09:49:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	b.nic.dk, h.nic.dk, t.nic.dk, c.nic.dk...	-
knowledgeable.dk	ns01.one.com, ns02.one.com	-

✅ Authoritative Response

Server:185.10.11.10

NS records: ns01.one.com, ns02.one.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 2194ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns01.one.com, ns02.one.com`
MX	4	`mx3.pub.mailpod11-cph3.one.com (pri: 10), mx2.pub.mailpod11-cph3.one.com (pri: 10)...`
SOA	1	`ns01.one.com hostmaster.one.com`

Analysis

Name Servers

Two name servers handle the delegation for knowledgeable.dk: ns01.one.com and ns02.one.com.

The name server configuration of knowledgeable.dk is shared with other domains, for instance mutex.dk, vihuro.se, geerts.email and two others.

ns01.one.com and ns02.one.com both carry two IP addresses. The A records for ns01.one.com are 195.206.121.10 and 2001:67c:28cc::10; the A records for ns02.one.com are 185.10.11.10 and 2001:67c:3c0::10.

Mail Servers

Mail for knowledgeable.dk is handled by four mail servers: mx1.pub.mailpod11-cph3.one.com, mx2.pub.mailpod11-cph3.one.com, mx3.pub.mailpod11-cph3.one.com and mx4.pub.mailpod11-cph3.one.com.

At least some of the mail servers used by knowledgeable.dk are shared with other domains: custombuildingandservices.com, powrsound.se, skanstullskyrka.se and two others among them.

Four host names, each with one IP address: mx1.pub.mailpod11-cph3.one.com has 104.37.34.230, mx2.pub.mailpod11-cph3.one.com has 104.37.34.231, mx3.pub.mailpod11-cph3.one.com has 104.37.34.232 and mx4.pub.mailpod11-cph3.one.com has 104.37.34.233.

knowledgeable.dk - robtex.com