cthk.io - robtex.com

cthk.io

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:4ee5🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:89f4🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.78.229Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.137.244🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSaaden.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c5c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaaden.ns.cloudflare.com
A2803:f800:50::6ca2:c35c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRaaden.ns.cloudflare.com
A2a06:98c1:50::ac40:235c🇺🇸 Cloudflare2a06:98c1:50::/45
PTRaaden.ns.cloudflare.com
A108.162.195.92🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaaden.ns.cloudflare.com
A162.159.44.92Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaaden.ns.cloudflare.com
A172.64.35.92🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaaden.ns.cloudflare.com
NSwanda.ns.cloudflare.com
A2606:4700:50::adf5:3af0🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwanda.ns.cloudflare.com
A2803:f800:50::6ca2:c0f0🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRwanda.ns.cloudflare.com
A2a06:98c1:50::ac40:20f0🇺🇸 Cloudflare2a06:98c1:50::/45
PTRwanda.ns.cloudflare.com
A108.162.192.240🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwanda.ns.cloudflare.com
A172.64.32.240🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwanda.ns.cloudflare.com
A173.245.58.240🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwanda.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.78.229, 172.67.137.244
IPv6 hints2606:4700:3031::6815:4ee5, 2606:4700:3033::ac43:89f4
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=80, name=cloudflare-ech.com
SOAaaden.ns.cloudflare.comdns@cloudflare.com serial=2403641145

io

DNSSEC🔒 Signed (DS record present)
NSa0.nic.io ⭐
NSa2.nic.io
NSb0.nic.io
NSc0.nic.io
SOAa0.nic.iohostmaster@donuts.email serial=1778358532
rank #360793 globally
rank #2671 in the tld

Same first word

cthk.io

Similar names

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DNS History

6 records (6 active, 0 former)

NSaaden.ns.cloudflare.comwanda.ns.cloudflare.comA104.21.78.229172.67.137.2442606:4700:3031::6815:4ee52606:4700:3033::ac43:89f4
●NSaaden.ns.cloudflare.com2026-05-08 → 2026-05-09 · 2 obs
● 2026-05-08 18:10:22
● 2026-05-09 20:55:28
●NSwanda.ns.cloudflare.com2026-05-08 → 2026-05-09 · 2 obs
● 2026-05-08 18:10:22
● 2026-05-09 20:55:28
●A104.21.78.2292026-05-08 → 2026-05-09 · 2 obs
● 2026-05-08 18:10:22
● 2026-05-09 20:55:28
●A172.67.137.2442026-05-08 → 2026-05-09 · 2 obs
● 2026-05-08 18:10:22
● 2026-05-09 20:55:28
●A2606:4700:3031::6815:4ee52026-05-08 → 2026-05-09 · 2 obs
● 2026-05-08 18:10:22
● 2026-05-09 20:55:28
●A2606:4700:3033::ac43:89f42026-05-08 → 2026-05-09 · 2 obs
● 2026-05-08 18:10:22
● 2026-05-09 20:55:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ioa0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io-
cthk.ioaaden.ns.cloudflare.com, wanda.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.240

NS records: aaden.ns.cloudflare.com, wanda.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cthk.io (unsigned zone)

⏱️ Timing

Total: 446ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.78.229, 172.67.137.244
AAAA22606:4700:3031::6815:4ee5, 2606:4700:3033::ac43:89f4
NS2aaden.ns.cloudflare.com, wanda.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1aaden.ns.cloudflare.com dns.cloudflare.c

Analysis

IP Addresses

cthk.io resolves to four IP numbers: 2606:4700:3031::6815:4ee5, 2606:4700:3033::ac43:89f4, 104.21.78.229 and 172.67.137.244.

other host names for instance cpcalendars.productcomparison.co, demo.kudc.edu.bd, macneanfarm.co.uk, hyp-ercorepro.click and fastbet.tv share IP numbers with cthk.io.

Name Servers

cthk.io is delegated to two name servers: aaden.ns.cloudflare.com and wanda.ns.cloudflare.com.

cthk.io shares the same name server setup as other domains, for example lifeasplay.ru, spimf.ru, cloudforestalive.org, wjsspapers.com and crossrunshop.pl.

cthk.io at least partially shares name servers with other domains, for instance sputnik.productions, rivit.it, vetementsprime.shop, thejohnfinchamgroup.com and e-bonuscasino.net.

These name servers are often used with brenna.ns.cloudflare.com and rachel.ns.cloudflare.com.

Host names with six IP numbers:

aaden.ns.cloudflare.com points to: 2606:4700:58::a29f:2c5c, 2803:f800:50::6ca2:c35c, 2a06:98c1:50::ac40:235c, 108.162.195.92, 162.159.44.92 and 172.64.35.92; wanda.ns.cloudflare.com points to: 2606:4700:50::adf5:3af0, 2803:f800:50::6ca2:c0f0, 2a06:98c1:50::ac40:20f0, 108.162.192.240, 172.64.32.240 and 173.245.58.240.