🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`knowledge.dk`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:3de6^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:d80b^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.61.230^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.216.11^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`mary.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a86^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mary.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c086^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mary.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2086^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mary.ns.cloudflare.com`
		A	108.162.192.134^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mary.ns.cloudflare.com`
		A	172.64.32.134^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mary.ns.cloudflare.com`
		A	173.245.58.134^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mary.ns.cloudflare.com`
NS	`seth.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b8e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`seth.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c18e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`seth.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:218e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`seth.ns.cloudflare.com`
		A	108.162.193.142^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`seth.ns.cloudflare.com`
		A	172.64.33.142^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`seth.ns.cloudflare.com`
		A	173.245.59.142^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`seth.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.61.230, 172.67.216.11
		IPv6 hints	2606:4700:3031::6815:3de6, 2606:4700:3035::ac43:d80b
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=34, name=cloudflare-ech.com
SOA	`mary.ns.cloudflare.com`dns@cloudflare.com serial=2414375715

`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 1790259661localtime Thu Sep 24 16:21:01 2026gmtime Thu Se...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1790259661

Same first word

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Similar names

Previous names

Next names

DNS History

18 records (6 active, 12 former)

●NSmary.ns.cloudflare.com2016-03-12 → 2026-09-24 · 3 obs

○ 2015-11-02 23:07:02
● 2016-03-12 03:41:42
● 2026-09-24 14:22:26

○NSns1.gratisdns.dk2015-06-27 → 2015-11-02 · 4 obs

● 2015-06-27 11:07:14
● 2015-11-02 23:07:02
○ 2016-03-12 03:41:42
○ 2026-09-24 14:22:26

○NSns2.gratisdns.dk2015-06-27 → 2015-11-02 · 4 obs

● 2015-06-27 11:07:14
● 2015-11-02 23:07:02
○ 2016-03-12 03:41:42
○ 2026-09-24 14:22:26

○NSns3.gratisdns.dk2015-06-27 → 2015-11-02 · 4 obs

● 2015-06-27 11:07:14
● 2015-11-02 23:07:02
○ 2016-03-12 03:41:42
○ 2026-09-24 14:22:26

○NSns4.gratisdns.dk2015-06-27 → 2015-11-02 · 4 obs

● 2015-06-27 11:07:14
● 2015-11-02 23:07:02
○ 2016-03-12 03:41:42
○ 2026-09-24 14:22:26

○NSns5.gratisdns.dk2015-06-27 → 2015-11-02 · 4 obs

● 2015-06-27 11:07:14
● 2015-11-02 23:07:02
○ 2016-03-12 03:41:42
○ 2026-09-24 14:22:26

●NSseth.ns.cloudflare.com2016-03-12 → 2026-09-24 · 3 obs

○ 2015-11-02 23:07:02
● 2016-03-12 03:41:42
● 2026-09-24 14:22:26

●A104.21.61.2302026-09-09 → 2026-09-24 · 5 obs

○ 2016-07-05 13:14:18
● 2026-09-09 05:22:12
○ 2026-09-21 08:03:22
● 2026-09-24 14:22:24
● 2026-09-24 14:22:26

○A104.28.4.692016-03-12 → 2016-07-05 · 5 obs

○ 2015-11-02 23:07:02
● 2016-03-12 03:41:42
● 2016-07-05 13:14:18
○ 2026-09-09 05:22:12
○ 2026-09-24 14:22:26

○A104.28.5.692016-03-12 → 2016-07-05 · 5 obs

○ 2015-11-02 23:07:02
● 2016-03-12 03:41:42
● 2016-07-05 13:14:18
○ 2026-09-09 05:22:12
○ 2026-09-24 14:22:26

●A172.67.216.112026-09-09 → 2026-09-24 · 5 obs

○ 2016-07-05 13:14:18
● 2026-09-09 05:22:12
○ 2026-09-21 08:03:22
● 2026-09-24 14:22:24
● 2026-09-24 14:22:26

○A188.114.96.02026-09-21 → 2026-09-21 · 4 obs

○ 2026-09-09 05:22:12
● 2026-09-21 08:03:22
○ 2026-09-24 14:22:24
○ 2026-09-24 14:22:26

○A188.114.97.02026-09-21 → 2026-09-21 · 4 obs

○ 2026-09-09 05:22:12
● 2026-09-21 08:03:22
○ 2026-09-24 14:22:24
○ 2026-09-24 14:22:26

●A2606:4700:3031::6815:3de62026-09-09 → 2026-09-24 · 5 obs

○ 2016-07-05 13:14:18
● 2026-09-09 05:22:12
○ 2026-09-21 08:03:22
● 2026-09-24 14:22:24
● 2026-09-24 14:22:26

●A2606:4700:3035::ac43:d80b2026-09-09 → 2026-09-24 · 5 obs

○ 2016-07-05 13:14:18
● 2026-09-09 05:22:12
○ 2026-09-21 08:03:22
● 2026-09-24 14:22:24
● 2026-09-24 14:22:26

○A2a06:98c1:3120::2026-09-21 → 2026-09-21 · 4 obs

○ 2026-09-09 05:22:12
● 2026-09-21 08:03:22
○ 2026-09-24 14:22:24
○ 2026-09-24 14:22:26

○A2a06:98c1:3121::2026-09-21 → 2026-09-21 · 4 obs

○ 2026-09-09 05:22:12
● 2026-09-21 08:03:22
○ 2026-09-24 14:22:24
○ 2026-09-24 14:22:26

○A70.32.68.1042015-06-27 → 2015-11-02 · 4 obs

● 2015-06-27 11:07:14
● 2015-11-02 23:07:02
○ 2016-03-12 03:41:42
○ 2026-09-24 14:22:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk...	-
knowledge.dk	mary.ns.cloudflare.com, seth.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.134

NS records: mary.ns.cloudflare.com, seth.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowledge.dk (unsigned zone)

⏱️ Timing

Total: 832ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.61.230, 172.67.216.11`
AAAA	2	`2606:4700:3035::ac43:d80b, 2606:4700:3031::6815:3de6`
NS	2	`mary.ns.cloudflare.com, seth.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`mary.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

knowledge.dk directs to four IP numbers, which are 104.21.61.230, 172.67.216.11, 2606:4700:3031::6815:3de6 and 2606:4700:3035::ac43:d80b.

Two other host names, along with alpacha.co.uk, mongkola.cyou and dripup.online, also share IP numbers with knowledge.dk.

Name Servers

knowledge.dk uses two name servers for its delegation: mary.ns.cloudflare.com and seth.ns.cloudflare.com.

knowledge.dk shares its NS records with other domains, for example lowestrates.ca, northsidechurch.au, runway-tracker.pages.dev and two others.

At least some of knowledge.dk's name servers are shared with other domains, for example foodnevercomes.net, froblet.com, alterfix.pages.dev and two more.

It is common for these name servers to be used in conjunction with the name servers ram.ns.cloudflare.com, ursula.ns.cloudflare.com and maciej.ns.cloudflare.com.

DNS names with 6 IP addresses:

Hostname mary.ns.cloudflare.com directs to 108.162.192.134, 172.64.32.134 and 173.245.58.134 along with 3 other IP addresses.

Hostname seth.ns.cloudflare.com directs to 108.162.193.142, 172.64.33.142 and 173.245.59.142 along with 3 other IP addresses.

knowledge.dk - robtex.com

knowledge.dk

dk

Same first word

Similar names

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`knowledge.dk`

`dk`