www.checkcheckcin.com - robtex.com

www.checkcheckcin.com

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:3cce🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:c97c🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.60.206Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.201.124🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.60.206, 172.67.201.124
IPv6 hints2606:4700:3033::6815:3cce, 2606:4700:3035::ac43:c97c
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=218, name=cloudflare-ech.com

checkcheckcin.com

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:3cce🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:c97c🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.60.206Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.201.124🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSian.ns.cloudflare.com ⭐
NSzelda.ns.cloudflare.com
MXaspmx.l.google.com ⭐
MXalt1.aspmx.l.google.com(5)
MXalt2.aspmx.l.google.com(5)
MXalt3.aspmx.l.google.com(10)
MXalt4.aspmx.l.google.com(10)
TXTbrevo-code:bb6978df374e645051544877780358f3
TXTv=spf1 a mx ptr include:secureserver.net ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.60.206, 172.67.201.124
IPv6 hints2606:4700:3033::6815:3cce, 2606:4700:3035::ac43:c97c
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=218, name=cloudflare-ech.com
SOAian.ns.cloudflare.comdns@cloudflare.com serial=2405857039

Same first word

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DNS History

7 records (4 active, 3 former)

20192020202120222023202420252026A104.21.60.206172.67.201.1242606:4700:3033::6815:3cce2606:4700:3035::ac43:c97c166.62.28.1462606:4700:3030::ac43:c97c2606:4700:3035::6815:3cce
●A104.21.60.2062026-04-13 → 2026-07-27 · 3 obs
○ 2018-05-08 15:31:44
● 2026-04-13 18:32:54
● 2026-07-27 21:00:28
○A166.62.28.1462018-05-08 → 2018-05-08 · 3 obs
● 2018-05-08 15:31:44
○ 2026-04-13 18:32:54
○ 2026-07-27 21:00:28
●A172.67.201.1242026-04-13 → 2026-07-27 · 3 obs
○ 2018-05-08 15:31:44
● 2026-04-13 18:32:54
● 2026-07-27 21:00:28
○A2606:4700:3030::ac43:c97c2026-04-13 → 2026-04-13 · 4 obs
○ 2018-05-08 15:31:44
● 2026-04-13 18:32:54
○ 2026-07-05 01:26:20
○ 2026-07-27 21:00:28
●A2606:4700:3033::6815:3cce2026-07-05 → 2026-07-27 · 3 obs
○ 2026-04-13 18:32:54
● 2026-07-05 01:26:20
● 2026-07-27 21:00:28
○A2606:4700:3035::6815:3cce2026-04-13 → 2026-04-13 · 4 obs
○ 2018-05-08 15:31:44
● 2026-04-13 18:32:54
○ 2026-07-05 01:26:20
○ 2026-07-27 21:00:28
●A2606:4700:3035::ac43:c97c2026-07-05 → 2026-07-27 · 3 obs
○ 2026-04-13 18:32:54
● 2026-07-05 01:26:20
● 2026-07-27 21:00:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
checkcheckcin.comian.ns.cloudflare.com, zelda.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.242

NS records: ian.ns.cloudflare.com, zelda.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for checkcheckcin.com (unsigned zone)

⏱️ Timing

Total: 132ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.60.206, 172.67.201.124
AAAA22606:4700:3035::ac43:c97c, 2606:4700:3033::6815:3cce
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

www.checkcheckcin.com has four IP addresses: 104.21.60.206, 172.67.201.124, 2606:4700:3033::6815:3cce and 2606:4700:3035::ac43:c97c.

kicourselab-learninghub.com, optimalarc.com, drinksunny.com and two other host names share IP numbers with www.checkcheckcin.com.