`backlinkchecker.co`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:d4ac^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:25c1^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.37.193^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.212.172^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`chris.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b55^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chris.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c155^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`chris.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2155^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`chris.ns.cloudflare.com`
		A	108.162.193.85^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chris.ns.cloudflare.com`
		A	172.64.33.85^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chris.ns.cloudflare.com`
		A	173.245.59.85^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chris.ns.cloudflare.com`
NS	`joselyn.ns.cloudflare.com`
		A	2606:4700:50::a29f:262b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joselyn.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c22b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`joselyn.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:222b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`joselyn.ns.cloudflare.com`
		A	108.162.194.43^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joselyn.ns.cloudflare.com`
		A	162.159.38.43^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joselyn.ns.cloudflare.com`
		A	172.64.34.43^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joselyn.ns.cloudflare.com`
TXT	`google-site-verification=hTxCMa06FBsdrU-tQMBcXDM5go2qaPZAkZ4ZeNrJ1Ag`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.37.193, 172.67.212.172
		IPv6	2606:4700:3034::ac43:d4ac, 2606:4700:3037::6815:25c1
SOA	`chris.ns.cloudflare.com`dns@cloudflare.com serial=2397853107

`co`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns0.centralnic.net` ⭐
	NS	`a.registrydns.co`
	NS	`b.registrydns.co`
	NS	`c.registrydns.co`
	NS	`d.registrydns.co`
	SOA	`ns0.centralnic.net`hostmaster@centralnic.net serial=1759620363

Same first word

backlinkchecker.co

backlinkchecker.mobi

DNS History

15 records (6 active, 9 former)

●NSchris.ns.cloudflare.com2026-02-16 → 2026-03-28 · 3 obs

○ 2020-04-05 16:41:28
● 2026-02-16 14:36:30
● 2026-03-28 14:22:10

●NSjoselyn.ns.cloudflare.com2026-02-16 → 2026-03-28 · 3 obs

○ 2020-04-05 16:41:28
● 2026-02-16 14:36:30
● 2026-03-28 14:22:10

○NSns37.domaincontrol.com2016-08-09 → 2017-03-23 · 4 obs

● 2016-08-09 11:47:28
● 2017-03-23 16:07:32
○ 2020-04-05 16:41:28
○ 2026-03-28 14:22:10

○NSns38.domaincontrol.com2016-08-09 → 2017-03-23 · 4 obs

● 2016-08-09 11:47:28
● 2017-03-23 16:07:32
○ 2020-04-05 16:41:28
○ 2026-03-28 14:22:10

○MXmailstore1.secureserver.net2016-08-09 → 2017-03-23 · 4 obs

● 2016-08-09 11:47:28
● 2017-03-23 16:07:32
○ 2020-04-05 16:41:28
○ 2026-03-28 14:22:10

○MXsmtp.secureserver.net2016-08-09 → 2017-03-23 · 4 obs

● 2016-08-09 11:47:28
● 2017-03-23 16:07:32
○ 2020-04-05 16:41:28
○ 2026-03-28 14:22:10

●A104.21.37.1932026-02-16 → 2026-03-28 · 8 obs

○ 2020-04-05 16:41:28
● 2026-02-16 14:36:30
● 2026-02-22 04:31:18
○ 2026-02-27 09:14:32
● 2026-03-18 19:41:16
○ 2026-03-18 20:29:46
● 2026-03-26 14:23:22
● 2026-03-28 14:22:10

●A172.67.212.1722026-02-16 → 2026-03-28 · 8 obs

○ 2020-04-05 16:41:28
● 2026-02-16 14:36:30
● 2026-02-22 04:31:18
○ 2026-02-27 09:14:32
● 2026-03-18 19:41:16
○ 2026-03-18 20:29:46
● 2026-03-26 14:23:22
● 2026-03-28 14:22:10

○A182.50.150.12016-08-09 → 2017-03-23 · 4 obs

● 2016-08-09 11:47:28
● 2017-03-23 16:07:32
○ 2020-04-05 16:41:28
○ 2026-03-28 14:22:10

○A188.114.96.02026-02-27 → 2026-03-18 · 6 obs

○ 2026-02-22 04:31:18
● 2026-02-27 09:14:32
○ 2026-03-18 19:41:16
● 2026-03-18 20:29:46
○ 2026-03-26 14:23:22
○ 2026-03-28 14:22:10

○A188.114.97.02026-02-27 → 2026-03-18 · 6 obs

○ 2026-02-22 04:31:18
● 2026-02-27 09:14:32
○ 2026-03-18 19:41:16
● 2026-03-18 20:29:46
○ 2026-03-26 14:23:22
○ 2026-03-28 14:22:10

●A2606:4700:3034::ac43:d4ac2026-02-16 → 2026-03-28 · 7 obs

○ 2020-04-05 16:41:28
● 2026-02-16 14:36:30
● 2026-02-22 04:31:18
○ 2026-02-27 09:14:32
○ 2026-03-18 20:29:46
● 2026-03-26 14:23:22
● 2026-03-28 14:22:10

●A2606:4700:3037::6815:25c12026-02-16 → 2026-03-28 · 7 obs

○ 2020-04-05 16:41:28
● 2026-02-16 14:36:30
● 2026-02-22 04:31:18
○ 2026-02-27 09:14:32
○ 2026-03-18 20:29:46
● 2026-03-26 14:23:22
● 2026-03-28 14:22:10

○A2a06:98c1:3120::2026-02-27 → 2026-03-18 · 5 obs

○ 2026-02-22 04:31:18
● 2026-02-27 09:14:32
● 2026-03-18 20:29:46
○ 2026-03-26 14:23:22
○ 2026-03-28 14:22:10

○A2a06:98c1:3121::2026-02-27 → 2026-03-18 · 5 obs

○ 2026-02-22 04:31:18
● 2026-02-27 09:14:32
● 2026-03-18 20:29:46
○ 2026-03-26 14:23:22
○ 2026-03-28 14:22:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
co	a.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co	-
backlinkchecker.co	chris.ns.cloudflare.com, joselyn.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.85

NS records: chris.ns.cloudflare.com, joselyn.ns.cloudflare.com

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at co: Error: DNS query timeout: 194.169.218.57 for DNSKEY co

⏱️ Timing

Total: 3279ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.212.172, 104.21.37.193`
AAAA	2	`2606:4700:3034::ac43:d4ac, 2606:4700:3037::6815:25c1`
NS	2	`chris.ns.cloudflare.com, joselyn.ns.cloudflare.com`
TXT	1	`google-site-verification=hTxCMa06FBsdrU-`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`chris.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

backlinkchecker.co resolves to four IPs: 2606:4700:3034::ac43:d4ac, 2606:4700:3037::6815:25c1, 104.21.37.193 and 172.67.212.172.

Other host names such as softlot.ru, ai-xin.com.cn, maybuy.com.cn, sisindia.info and hulabelle.com share IP numbers with backlinkchecker.co.

Name Servers

backlinkchecker.co is delegated to two name servers: chris.ns.cloudflare.com and joselyn.ns.cloudflare.com.

backlinkchecker.co uses the same name server setup as other domains, including orimoto-hp.com, adsyfire.com, upsidegroove.com, yourskink.com and writerdesq.com.

At least part of the name servers for backlinkchecker.co are shared with other domains, for instance cetemcom.hu, akashnavi.in, iatei.org, 1dotx.com and coronacapitalgroup.com.

Host names with six IP numbers:

chris.ns.cloudflare.com points to: 2606:4700:58::adf5:3b55, 2803:f800:50::6ca2:c155, 2a06:98c1:50::ac40:2155, 108.162.193.85, 172.64.33.85 and 173.245.59.85.

joselyn.ns.cloudflare.com points to: 2606:4700:50::a29f:262b, 2803:f800:50::6ca2:c22b, 2a06:98c1:50::ac40:222b, 108.162.194.43, 162.159.38.43 and 172.64.34.43.

backlinkchecker.co - robtex.com