mail.cnktc.com - robtex.com

mail.cnktc.com

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:24c6🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:c713🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.36.198Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.199.19🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.36.198, 172.67.199.19
IPv6 hints2606:4700:3034::6815:24c6, 2606:4700:3034::ac43:c713
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=83, name=cloudflare-ech.com

cnktc.com

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:24c6🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:c713🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.36.198Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.199.19🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSglen.ns.cloudflare.com ⭐
NSgracie.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.36.198, 172.67.199.19
IPv6 hints2606:4700:3034::6815:24c6, 2606:4700:3034::ac43:c713
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=83, name=cloudflare-ech.com
SOAglen.ns.cloudflare.comdns@cloudflare.com serial=2401164890

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DNS History

4 records (4 active, 0 former)

A104.21.36.198172.67.199.192606:4700:3034::6815:24c62606:4700:3034::ac43:c713
●A104.21.36.1982026-03-29 → 2026-04-12 · 2 obs
● 2026-03-29 21:00:48
● 2026-04-12 14:36:04
●A172.67.199.192026-03-29 → 2026-04-12 · 2 obs
● 2026-03-29 21:00:48
● 2026-04-12 14:36:04
●A2606:4700:3034::6815:24c62026-03-29 → 2026-04-12 · 2 obs
● 2026-03-29 21:00:48
● 2026-04-12 14:36:04
●A2606:4700:3034::ac43:c7132026-03-29 → 2026-04-12 · 2 obs
● 2026-03-29 21:00:48
● 2026-04-12 14:36:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
come.gtld-servers.net, i.gtld-servers.net, f.gtld-servers.net, m.gtld-servers.net...-
cnktc.comglen.ns.cloudflare.com, gracie.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.144

NS records: glen.ns.cloudflare.com, gracie.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cnktc.com (unsigned zone)

⏱️ Timing

Total: 90ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.36.198, 172.67.199.19
AAAA22606:4700:3034::ac43:c713, 2606:4700:3034::6815:24c6
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.cnktc.com maps to four IP numbers: 2606:4700:3034::6815:24c6, 2606:4700:3034::ac43:c713, 104.21.36.198 and 172.67.199.19.

other host names include ntwjj.net, frzsblxklkuoa.site, zixun208.com, primereelsnetwork.com and e2998.com; they share IP numbers with mail.cnktc.com.