contentqualitycheck.com - dns.ninja

contentqualitycheck.com

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:b223🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::6815:2b69🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.43.105Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.178.35🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSclay.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b58🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRclay.ns.cloudflare.com
A2803:f800:50::6ca2:c158🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRclay.ns.cloudflare.com
A2a06:98c1:50::ac40:2158🇺🇸 Cloudflare2a06:98c1:50::/45
PTRclay.ns.cloudflare.com
A108.162.193.88🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRclay.ns.cloudflare.com
A172.64.33.88🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRclay.ns.cloudflare.com
A173.245.59.88🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRclay.ns.cloudflare.com
NSvera.ns.cloudflare.com
A2606:4700:50::adf5:3a93🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRvera.ns.cloudflare.com
A2803:f800:50::6ca2:c093🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRvera.ns.cloudflare.com
A2a06:98c1:50::ac40:2093🇺🇸 Cloudflare2a06:98c1:50::/45
PTRvera.ns.cloudflare.com
A108.162.192.147🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRvera.ns.cloudflare.com
A172.64.32.147🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRvera.ns.cloudflare.com
A173.245.58.147🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRvera.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.43.105, 172.67.178.35
IPv6 hints2606:4700:3031::ac43:b223, 2606:4700:3032::6815:2b69
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=160, name=cloudflare-ech.com
SOAclay.ns.cloudflare.comdns@cloudflare.com serial=2406843246

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1782914246

Same first word

contentqualitycheck.com

DNS History

9 records (6 active, 3 former)

200920112013201520172019202120232025NSclay.ns.cloudflare.comvera.ns.cloudflare.comA104.21.43.105172.67.178.352606:4700:3031::ac43:b2232606:4700:3032::6815:2b692606:4700:3030::ac43:b2232606:4700:3031::6815:2b6974.220.199.6
●NSclay.ns.cloudflare.com2026-03-17 → 2026-07-01 · 2 obs
● 2026-03-17 21:37:18
● 2026-07-01 14:04:26
●NSvera.ns.cloudflare.com2026-03-17 → 2026-07-01 · 2 obs
● 2026-03-17 21:37:18
● 2026-07-01 14:04:26
●A104.21.43.1052026-03-17 → 2026-07-01 · 3 obs
○ 2016-04-13 02:46:22
● 2026-03-17 21:37:18
● 2026-07-01 14:04:26
●A172.67.178.352026-03-17 → 2026-07-01 · 3 obs
○ 2016-04-13 02:46:22
● 2026-03-17 21:37:18
● 2026-07-01 14:04:26
○A2606:4700:3030::ac43:b2232026-03-17 → 2026-06-17 · 5 obs
○ 2016-04-13 02:46:22
● 2026-03-17 21:37:18
● 2026-06-17 21:14:16
○ 2026-06-30 01:20:52
○ 2026-07-01 14:04:26
○A2606:4700:3031::6815:2b692026-03-17 → 2026-06-17 · 5 obs
○ 2016-04-13 02:46:22
● 2026-03-17 21:37:18
● 2026-06-17 21:14:16
○ 2026-06-30 01:20:52
○ 2026-07-01 14:04:26
●A2606:4700:3031::ac43:b2232026-06-30 → 2026-07-01 · 3 obs
○ 2026-06-17 21:14:16
● 2026-06-30 01:20:52
● 2026-07-01 14:04:26
●A2606:4700:3032::6815:2b692026-06-30 → 2026-07-01 · 3 obs
○ 2026-06-17 21:14:16
● 2026-06-30 01:20:52
● 2026-07-01 14:04:26
○A74.220.199.62015-06-28 → 2016-01-23 · 5 obs
○ 2008-11-28 21:40:00
● 2015-06-28 20:44:22
● 2016-01-23 16:12:10
○ 2016-04-13 02:46:22
○ 2026-07-01 14:04:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net...-
contentqualitycheck.comvera.ns.cloudflare.com, clay.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.88

NS records: vera.ns.cloudflare.com, clay.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for contentqualitycheck.com (unsigned zone)

⏱️ Timing

Total: 1343ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.43.105, 172.67.178.35
AAAA22606:4700:3031::ac43:b223, 2606:4700:3032::6815:2b69
NS2clay.ns.cloudflare.com, vera.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1clay.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

contentqualitycheck.com directs to four IP numbers, which are 104.21.43.105, 172.67.178.35, 2606:4700:3031::ac43:b223 and 2606:4700:3032::6815:2b69.

(0x736578)teen.pro, 3dwm.org, restaurant-warehouse.com plus two other host names have IP numbers in common with contentqualitycheck.com.

Name Servers

The NS records for contentqualitycheck.com delegate to clay.ns.cloudflare.com and vera.ns.cloudflare.com.

The name server configuration of contentqualitycheck.com is shared with other domains, for instance levelbank.com, imageee.com, e-jam.info and two others.

The name servers of contentqualitycheck.com overlap at least partially with those of other domains — among them f1236.com, 69512.com, 7c.fyi and two more.

The name servers ulla.ns.cloudflare.com, evangeline.ns.cloudflare.com and lily.ns.cloudflare.com are commonly seen alongside these name servers.

Hosts with 6 IP addresses each:

clay.ns.cloudflare.com maps to 108.162.193.88, 172.64.33.88, 173.245.59.88 and 3 additional IP addresses.

vera.ns.cloudflare.com maps to 108.162.192.147, 172.64.32.147, 173.245.58.147 and 3 additional IP addresses.