linkcheck.dk - dns.ninja

`linkcheck.dk`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:c4e9^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:344e^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.52.78^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.196.233^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`sri.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bea^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sri.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ea^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sri.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ea^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sri.ns.cloudflare.com`
		A	108.162.193.234^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sri.ns.cloudflare.com`
		A	172.64.33.234^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sri.ns.cloudflare.com`
		A	173.245.59.234^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sri.ns.cloudflare.com`
NS	`wally.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aef^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`wally.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0ef^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`wally.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20ef^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`wally.ns.cloudflare.com`
		A	108.162.192.239^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`wally.ns.cloudflare.com`
		A	172.64.32.239^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`wally.ns.cloudflare.com`
		A	173.245.58.239^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`wally.ns.cloudflare.com`
MX	`exchange.cphdomain.com` ⭐
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.52.78, 172.67.196.233
		IPv6 hints	2606:4700:3032::ac43:c4e9, 2606:4700:3037::6815:344e
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=171, name=cloudflare-ech.com
SOA	`sri.ns.cloudflare.com`dns@cloudflare.com serial=2406717844

`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 1782454141localtime Fri Jun 26 08:09:01 2026gmtime Fri Ju...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1782454141

Same first word

linkcheck.se

linkcheck.nl

linkcheck.xyz

linkcheck.us

linkcheck.nu

linkcheck.de

linkcheck.co.uk

linkcheck.space

linkcheck.info

linkcheck.app

linkcheck.org

linkcheck.dk

linkcheck.com

Similar names

checklink.de

checklink.live

checklink.net

checklink.ru

checklink.cn

checklink.xyz

checklink.info

DNS History

18 records (7 active, 11 former)

○NSns.netmester.dk2015-05-25 → 2016-04-07 · 4 obs

● 2015-05-25 19:35:52
● 2016-04-07 04:18:08
○ 2016-12-28 03:22:28
○ 2026-06-26 06:47:46

○NSns2.netmester.dk2015-05-25 → 2016-04-07 · 4 obs

● 2015-05-25 19:35:52
● 2016-04-07 04:18:08
○ 2016-12-28 03:22:28
○ 2026-06-26 06:47:46

●NSsri.ns.cloudflare.com2016-12-28 → 2026-06-26 · 3 obs

○ 2016-04-07 04:18:08
● 2016-12-28 03:22:28
● 2026-06-26 06:47:46

●NSwally.ns.cloudflare.com2016-12-28 → 2026-06-26 · 3 obs

○ 2016-04-07 04:18:08
● 2016-12-28 03:22:28
● 2026-06-26 06:47:46

●MXexchange.cphdomain.com2015-05-25 → 2026-06-26 · 2 obs

● 2015-05-25 19:35:52
● 2026-06-26 06:47:46

●A104.21.52.782026-02-17 → 2026-06-26 · 6 obs

○ 2017-12-26 06:01:40
● 2026-02-17 19:08:42
● 2026-04-12 12:13:32
○ 2026-06-02 01:33:16
○ 2026-06-11 05:09:16
● 2026-06-26 06:47:46

○A104.25.205.992016-12-28 → 2017-12-26 · 5 obs

○ 2016-04-07 04:18:08
● 2016-12-28 03:22:28
● 2017-12-26 06:01:40
○ 2026-02-17 19:08:42
○ 2026-06-26 06:47:46

○A104.25.206.992016-12-28 → 2017-12-26 · 5 obs

○ 2016-04-07 04:18:08
● 2016-12-28 03:22:28
● 2017-12-26 06:01:40
○ 2026-02-17 19:08:42
○ 2026-06-26 06:47:46

●A172.67.196.2332026-02-17 → 2026-06-26 · 6 obs

○ 2017-12-26 06:01:40
● 2026-02-17 19:08:42
● 2026-04-12 12:13:32
○ 2026-06-02 01:33:16
○ 2026-06-11 05:09:16
● 2026-06-26 06:47:46

○A188.114.96.02026-06-02 → 2026-06-11 · 4 obs

○ 2026-04-12 12:13:32
● 2026-06-02 01:33:16
● 2026-06-11 05:09:16
○ 2026-06-26 06:47:46

○A188.114.97.02026-06-02 → 2026-06-11 · 4 obs

○ 2026-04-12 12:13:32
● 2026-06-02 01:33:16
● 2026-06-11 05:09:16
○ 2026-06-26 06:47:46

○A2400:cb00:2048:1::6819:cd632016-12-28 → 2017-12-26 · 5 obs

○ 2016-04-07 04:18:08
● 2016-12-28 03:22:28
● 2017-12-26 06:01:40
○ 2026-02-17 19:08:42
○ 2026-06-26 06:47:46

○A2400:cb00:2048:1::6819:ce632016-12-28 → 2017-12-26 · 5 obs

○ 2016-04-07 04:18:08
● 2016-12-28 03:22:28
● 2017-12-26 06:01:40
○ 2026-02-17 19:08:42
○ 2026-06-26 06:47:46

●A2606:4700:3032::ac43:c4e92026-02-17 → 2026-06-26 · 6 obs

○ 2017-12-26 06:01:40
● 2026-02-17 19:08:42
● 2026-04-12 12:13:32
○ 2026-06-02 01:33:16
○ 2026-06-11 05:09:16
● 2026-06-26 06:47:46

●A2606:4700:3037::6815:344e2026-02-17 → 2026-06-26 · 6 obs

○ 2017-12-26 06:01:40
● 2026-02-17 19:08:42
● 2026-04-12 12:13:32
○ 2026-06-02 01:33:16
○ 2026-06-11 05:09:16
● 2026-06-26 06:47:46

○A2a06:98c1:3120::2026-06-02 → 2026-06-11 · 4 obs

○ 2026-04-12 12:13:32
● 2026-06-02 01:33:16
● 2026-06-11 05:09:16
○ 2026-06-26 06:47:46

○A2a06:98c1:3121::2026-06-02 → 2026-06-11 · 4 obs

○ 2026-04-12 12:13:32
● 2026-06-02 01:33:16
● 2026-06-11 05:09:16
○ 2026-06-26 06:47:46

○A93.160.60.452015-05-25 → 2016-04-07 · 4 obs

● 2015-05-25 19:35:52
● 2016-04-07 04:18:08
○ 2016-12-28 03:22:28
○ 2026-06-26 06:47:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	b.nic.dk, h.nic.dk, t.nic.dk, c.nic.dk...	-
linkcheck.dk	sri.ns.cloudflare.com, wally.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.239

NS records: sri.ns.cloudflare.com, wally.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linkcheck.dk (unsigned zone)

⏱️ Timing

Total: 770ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.52.78, 172.67.196.233`
AAAA	2	`2606:4700:3037::6815:344e, 2606:4700:3032::ac43:c4e9`
NS	2	`sri.ns.cloudflare.com, wally.ns.cloudflare.com`
MX	1	`exchange.cphdomain.com (pri: 10)`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`sri.ns.cloudflare.com dns.cloudflare.com`

Analysis

IP Addresses

linkcheck.dk points to the four IP addresses 104.21.52.78, 172.67.196.233, 2606:4700:3032::ac43:c4e9 and 2606:4700:3037::6815:344e.

bila-cerkva.ualaw.info, vividwellnessdeals.de, serenergy.gr plus two other host names have IP numbers in common with linkcheck.dk.

Name Servers

Two name servers handle the delegation for linkcheck.dk: sri.ns.cloudflare.com and wally.ns.cloudflare.com.

The name server configuration of linkcheck.dk is shared with other domains, for instance menardi.it, linktjek.dk, pi.gy and two others.

The name servers of linkcheck.dk overlap at least partially with those of other domains — among them savannahcourtbrandon.com, dynamicslotpro.com, decimalcs.com and two more.

These name servers commonly appear alongside the name servers clint.ns.cloudflare.com and thomas.ns.cloudflare.com.

Hosts with 6 IP addresses each:

sri.ns.cloudflare.com resolves to 108.162.193.234, 172.64.33.234 and 173.245.59.234 among others, with 3 other IP addresses in total.

wally.ns.cloudflare.com resolves to 108.162.192.239, 172.64.32.239 and 173.245.58.239 among others, with 3 other IP addresses in total.

Mail Servers

linkcheck.dk uses one mail server — exchange.cphdomain.com.

The mail server setup of linkcheck.dk matches that of other domains such as siteinprove.com, sitealarm.dk, linktjek.dk and two others.