linkcheck.org - dns.ninja

`linkcheck.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:d5c7^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:3b2a^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.59.42^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.213.199^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`igor.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b77^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`igor.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c177^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`igor.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2177^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`igor.ns.cloudflare.com`
		A	108.162.193.119^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`igor.ns.cloudflare.com`
		A	172.64.33.119^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`igor.ns.cloudflare.com`
		A	173.245.59.119^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`igor.ns.cloudflare.com`
NS	`kiki.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ab4^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kiki.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0b4^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kiki.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20b4^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kiki.ns.cloudflare.com`
		A	108.162.192.180^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kiki.ns.cloudflare.com`
		A	172.64.32.180^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kiki.ns.cloudflare.com`
		A	173.245.58.180^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kiki.ns.cloudflare.com`
TXT	`google-site-verification=fac4WkWVrI0Lbikqgzm58l-YlGdr03Oil4PMtl4Zdsg`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.59.42, 172.67.213.199
		IPv6 hints	2606:4700:3032::ac43:d5c7, 2606:4700:3036::6815:3b2a
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=3, name=cloudflare-ech.com
SOA	`igor.ns.cloudflare.com`dns@cloudflare.com serial=2407638574

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1782395431

Same first word

linkcheck.co.uk

linkcheck.space

linkcheck.info

linkcheck.app

linkcheck.org

linkcheck.dk

linkcheck.com

linkcheck.se

linkcheck.nl

linkcheck.xyz

linkcheck.us

linkcheck.nu

linkcheck.de

Similar names

checklink.live

checklink.net

checklink.ru

checklink.cn

checklink.xyz

checklink.info

checklink.de

DNS History

14 records (6 active, 8 former)

●NSigor.ns.cloudflare.com2026-03-01 → 2026-06-25 · 3 obs

○ 2017-03-24 14:36:10
● 2026-03-01 05:19:26
● 2026-06-25 14:17:20

●NSkiki.ns.cloudflare.com2026-03-01 → 2026-06-25 · 3 obs

○ 2017-03-24 14:36:10
● 2026-03-01 05:19:26
● 2026-06-25 14:17:20

○NSns.namespace4you.de2015-08-20 → 2015-08-20 · 3 obs

● 2015-08-20 10:02:36
○ 2015-12-06 11:33:30
○ 2026-06-25 14:17:20

○NSns1.dreamhost.com2017-03-24 → 2017-03-24 · 4 obs

○ 2015-12-06 11:33:30
● 2017-03-24 14:36:10
○ 2026-03-01 05:19:26
○ 2026-06-25 14:17:20

○NSns2.dreamhost.com2017-03-24 → 2017-03-24 · 4 obs

○ 2015-12-06 11:33:30
● 2017-03-24 14:36:10
○ 2026-03-01 05:19:26
○ 2026-06-25 14:17:20

○NSns2.namespace4you.de2015-08-20 → 2015-08-20 · 3 obs

● 2015-08-20 10:02:36
○ 2015-12-06 11:33:30
○ 2026-06-25 14:17:20

○NSns3.dreamhost.com2017-03-24 → 2017-03-24 · 4 obs

○ 2015-12-06 11:33:30
● 2017-03-24 14:36:10
○ 2026-03-01 05:19:26
○ 2026-06-25 14:17:20

○MXmxlb.ispgateway.de2015-08-20 → 2015-08-20 · 3 obs

● 2015-08-20 10:02:36
○ 2015-12-06 11:33:30
○ 2026-06-25 14:17:20

●A104.21.59.422026-03-01 → 2026-06-25 · 3 obs

○ 2015-12-06 11:33:30
● 2026-03-01 05:19:26
● 2026-06-25 14:17:20

●A172.67.213.1992026-03-01 → 2026-06-25 · 3 obs

○ 2015-12-06 11:33:30
● 2026-03-01 05:19:26
● 2026-06-25 14:17:20

●A2606:4700:3032::ac43:d5c72026-03-01 → 2026-06-25 · 3 obs

○ 2015-12-06 11:33:30
● 2026-03-01 05:19:26
● 2026-06-25 14:17:20

●A2606:4700:3036::6815:3b2a2026-03-01 → 2026-06-25 · 3 obs

○ 2015-12-06 11:33:30
● 2026-03-01 05:19:26
● 2026-06-25 14:17:20

○A2a00:1158:0:406:296d::12015-08-20 → 2015-08-20 · 3 obs

● 2015-08-20 10:02:36
○ 2015-12-06 11:33:30
○ 2026-06-25 14:17:20

○A46.252.31.892015-08-20 → 2015-08-20 · 3 obs

● 2015-08-20 10:02:36
○ 2015-12-06 11:33:30
○ 2026-06-25 14:17:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, d0.org.afilias-nst.org, b2.org.afilias-nst.org	-
linkcheck.org	igor.ns.cloudflare.com, kiki.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.180

NS records: igor.ns.cloudflare.com, kiki.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linkcheck.org (unsigned zone)

⏱️ Timing

Total: 588ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.59.42, 172.67.213.199`
AAAA	2	`2606:4700:3032::ac43:d5c7, 2606:4700:3036::6815:3b2a`
NS	2	`igor.ns.cloudflare.com, kiki.ns.cloudflare.com`
TXT	1	`google-site-verification=fac4WkWVrI0Lbik`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`igor.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

linkcheck.org has four IP addresses: 104.21.59.42, 172.67.213.199, 2606:4700:3032::ac43:d5c7 and 2606:4700:3036::6815:3b2a.

Two other host names, along with alias-lca.nl, arcusvelomobile.com and allthingsoriginal.com, also share IP numbers with linkcheck.org.

Name Servers

linkcheck.org is served by two delegated name servers, igor.ns.cloudflare.com and kiki.ns.cloudflare.com.

linkcheck.org shares its NS records with other domains, for example italiamoldavia.org, js.company, dns.fish and two others.

linkcheck.org shares at least some of its name servers with other domains, including y3h2.com, learningcommunity.us, audio4fun.net and two others.

These name servers are frequently seen alongside the name servers eva.ns.cloudflare.com.

DNS names with 6 IP addresses:

igor.ns.cloudflare.com carries IP addresses 108.162.193.119, 172.64.33.119 and 173.245.59.119, with 3 other addresses beyond those.

kiki.ns.cloudflare.com carries IP addresses 108.162.192.180, 172.64.32.180 and 173.245.58.180, with 3 other addresses beyond those.