cktechcheck.com - dns.ninja

`cktechcheck.com`

DNSSEC	⚠️ Not signed
A	104.21.36.125^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.194.91^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`cruz.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a58^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cruz.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c058^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cruz.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2058^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cruz.ns.cloudflare.com`
		A	108.162.192.88^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cruz.ns.cloudflare.com`
		A	172.64.32.88^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cruz.ns.cloudflare.com`
		A	173.245.58.88^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cruz.ns.cloudflare.com`
NS	`grant.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c82^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`grant.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c382^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`grant.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2382^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`grant.ns.cloudflare.com`
		A	108.162.195.130^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`grant.ns.cloudflare.com`
		A	162.159.44.130^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`grant.ns.cloudflare.com`
		A	172.64.35.130^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`grant.ns.cloudflare.com`
MX	`isaac.mx.cloudflare.net` ⭐
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`linda.mx.cloudflare.net`⁽³²⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`amir.mx.cloudflare.net`⁽⁴⁷⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
TXT	`amazon-publisher=amzn-publisher-tNnwWgtWyYXZtvUo2smPmA`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.36.125, 172.67.194.91
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=152, name=cloudflare-ech.com
SOA	`cruz.ns.cloudflare.com`dns@cloudflare.com serial=2411411184

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1786135204

Previously MX for

cktechcheck.com

Same first word

cktechcheck.com

DNS History

12 records (7 active, 5 former)

●NScruz.ns.cloudflare.com2026-03-08 → 2026-08-07 · 3 obs

○ 2019-12-17 21:25:20
● 2026-03-08 08:54:56
● 2026-08-07 21:08:32

●NSgrant.ns.cloudflare.com2026-03-08 → 2026-08-07 · 3 obs

○ 2019-12-17 21:25:20
● 2026-03-08 08:54:56
● 2026-08-07 21:08:32

○NSns1.webtechservicesinc.com2019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 21:25:20
○ 2026-03-08 08:54:56
○ 2026-08-07 21:08:32

○NSns2.webtechservicesinc.com2019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 21:25:20
○ 2026-03-08 08:54:56
○ 2026-08-07 21:08:32

●MXamir.mx.cloudflare.net2026-03-08 → 2026-08-07 · 3 obs

○ 2019-12-17 21:25:20
● 2026-03-08 08:54:56
● 2026-08-07 21:08:32

○MXcktechcheck.com2019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 21:25:20
○ 2026-03-08 08:54:56
○ 2026-08-07 21:08:32

●MXisaac.mx.cloudflare.net2026-03-08 → 2026-08-07 · 3 obs

○ 2019-12-17 21:25:20
● 2026-03-08 08:54:56
● 2026-08-07 21:08:32

●MXlinda.mx.cloudflare.net2026-03-08 → 2026-08-07 · 3 obs

○ 2019-12-17 21:25:20
● 2026-03-08 08:54:56
● 2026-08-07 21:08:32

●A104.21.36.1252026-03-08 → 2026-08-07 · 3 obs

○ 2019-12-17 21:25:20
● 2026-03-08 08:54:56
● 2026-08-07 21:08:32

○A172.64.80.12026-03-08 → 2026-08-07 · 2 obs

○ 2026-03-08 08:54:56
○ 2026-08-07 21:08:32

●A172.67.194.912026-03-08 → 2026-08-07 · 3 obs

○ 2019-12-17 21:25:20
● 2026-03-08 08:54:56
● 2026-08-07 21:08:32

○A67.227.145.1452019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 21:25:20
○ 2026-03-08 08:54:56
○ 2026-08-07 21:08:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
cktechcheck.com	cruz.ns.cloudflare.com, grant.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.130

NS records: cruz.ns.cloudflare.com, grant.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cktechcheck.com (unsigned zone)

⏱️ Timing

Total: 219ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.36.125, 172.67.194.91`
NS	2	`cruz.ns.cloudflare.com, grant.ns.cloudflare.com`
MX	3	`isaac.mx.cloudflare.net (pri: 28), linda.mx.cloudflare.net (pri: 32)...`
TXT	2	`amazon-publisher=amzn-publisher-tNnwWgtW, v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`cruz.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (cruz.ns.cloudflare.com, cruz.ns.cloudflare.com, cruz.ns.cloudflare.com...)

Analysis

IP Addresses

cktechcheck.com resolves to the IP addresses 104.21.36.125 and 172.67.194.91

gesznuf.digital, microt.click, qingyunyouxiao.xyz plus two other host names have IP numbers in common with cktechcheck.com.

Name Servers

Two name servers handle the delegation for cktechcheck.com: cruz.ns.cloudflare.com and grant.ns.cloudflare.com.

The name server configuration of cktechcheck.com is shared with other domains, for instance blueant.com.au, workasdesign.com, patrikck.com and two others.

cktechcheck.com has at least partial name server overlap with other domains, such as oclbd.com, drcabotcleanse.com, powers-electric.com and two others.

It is common to see these name servers used together with name servers sharon.ns.cloudflare.com and vita.ns.cloudflare.com.

Hosts with 6 IP addresses each:

cruz.ns.cloudflare.com resolves to 108.162.192.88, 172.64.32.88 and 173.245.58.88 among others, with 3 other IP addresses in total.

grant.ns.cloudflare.com resolves to 108.162.195.130, 162.159.44.130 and 172.64.35.130 among others, with 3 other IP addresses in total.

Mail Servers

cktechcheck.com has three mail servers: amir.mx.cloudflare.net, isaac.mx.cloudflare.net and linda.mx.cloudflare.net.

At least some of the mail servers used by cktechcheck.com are shared with other domains: ianmooreis.me, chinmaygarde.com, modelle.eng.br and two others among them.

Hosts with 6 IP addresses each:

amir.mx.cloudflare.net resolves to 162.159.205.11, 162.159.205.12 and 162.159.205.13 among others, with 3 other IP addresses in total.

isaac.mx.cloudflare.net resolves to 162.159.205.17, 162.159.205.18 and 162.159.205.19 among others, with 3 other IP addresses in total.

linda.mx.cloudflare.net resolves to 162.159.205.23, 162.159.205.24 and 162.159.205.25 among others, with 3 other IP addresses in total.