kctk.cn - robtex.com

kctk.cn

DNSSEC⚠️ Not signed
A2606:4700:3035::ac43:d5abπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A2606:4700:3037::6815:109bπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A104.21.16.155Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A172.67.213.171πŸ‡ΊπŸ‡Έ Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
NSelaine.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a98πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelaine.ns.cloudflare.com
A2803:f800:50::6ca2:c098πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRelaine.ns.cloudflare.com
A2a06:98c1:50::ac40:2098πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRelaine.ns.cloudflare.com
A108.162.192.152πŸ‡ΊπŸ‡Έ Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelaine.ns.cloudflare.com
A172.64.32.152πŸ‡ΊπŸ‡Έ Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelaine.ns.cloudflare.com
A173.245.58.152πŸ‡ΊπŸ‡Έ Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelaine.ns.cloudflare.com
NSodin.ns.cloudflare.com
A2606:4700:58::a29f:2cd0πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRodin.ns.cloudflare.com
A2803:f800:50::6ca2:c3d0πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRodin.ns.cloudflare.com
A2a06:98c1:50::ac40:23d0πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRodin.ns.cloudflare.com
A108.162.195.208πŸ‡ΊπŸ‡Έ Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRodin.ns.cloudflare.com
A162.159.44.208Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRodin.ns.cloudflare.com
A172.64.35.208πŸ‡ΊπŸ‡Έ Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRodin.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 βœ“ hints match
IPv4 hints104.21.16.155, 172.67.213.171
IPv6 hints2606:4700:3035::ac43:d5ab, 2606:4700:3037::6815:109b
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=174, name=cloudflare-ech.com
SOAelaine.ns.cloudflare.comdns@cloudflare.com serial=2398494657

cn

DNSSECπŸ”’ Signed (DS record present)
NSa.dns.cn ⭐
NSb.dns.cn
NSc.dns.cn
NSd.dns.cn
NSe.dns.cn
NSns.cernet.net ⚠️ Not in parent delegation
SOAa.dns.cnroot@cnnic.cn serial=2034669478

Previously NS for

Same first word

Similar names

DNS History

13 records (6 active, 7 former)

20162017201820192020202120222023202420252026NSelaine.ns.cloudflare.comodin.ns.cloudflare.comkctk.cnns1.bodis.comns2.bodis.comA104.21.16.155172.67.213.1712606:4700:3035::ac43:d5ab2606:4700:3037::6815:109b199.59.243.12047.89.194.6459.188.9.4367.198.175.219
●NSelaine.ns.cloudflare.com2026-03-26 β†’ 2026-04-14 Β· 3 obs
β—‹ 2016-04-11 17:59:28
● 2026-03-26 09:08:28
● 2026-04-14 11:50:28
β—‹NSkctk.cn2015-07-21 β†’ 2015-07-21 Β· 3 obs
● 2015-07-21 09:48:50
β—‹ 2016-03-23 23:42:48
β—‹ 2026-04-14 11:50:28
β—‹NSns1.bodis.com2016-03-23 β†’ 2016-04-11 Β· 5 obs
β—‹ 2015-07-21 09:48:50
● 2016-03-23 23:42:48
● 2016-04-11 17:59:28
β—‹ 2026-03-26 09:08:28
β—‹ 2026-04-14 11:50:28
β—‹NSns2.bodis.com2016-03-23 β†’ 2016-04-11 Β· 5 obs
β—‹ 2015-07-21 09:48:50
● 2016-03-23 23:42:48
● 2016-04-11 17:59:28
β—‹ 2026-03-26 09:08:28
β—‹ 2026-04-14 11:50:28
●NSodin.ns.cloudflare.com2026-03-26 β†’ 2026-04-14 Β· 3 obs
β—‹ 2016-04-11 17:59:28
● 2026-03-26 09:08:28
● 2026-04-14 11:50:28
●A104.21.16.1552026-03-26 β†’ 2026-04-14 Β· 3 obs
β—‹ 2017-08-17 20:28:28
● 2026-03-26 09:08:28
● 2026-04-14 11:50:28
●A172.67.213.1712026-03-26 β†’ 2026-04-14 Β· 3 obs
β—‹ 2017-08-17 20:28:28
● 2026-03-26 09:08:28
● 2026-04-14 11:50:28
β—‹A199.59.243.1202016-03-23 β†’ 2016-04-11 Β· 5 obs
β—‹ 2015-12-13 18:23:30
● 2016-03-23 23:42:48
● 2016-04-11 17:59:28
β—‹ 2026-03-26 09:08:28
β—‹ 2026-04-14 11:50:28
●A2606:4700:3035::ac43:d5ab2026-03-26 β†’ 2026-04-14 Β· 3 obs
β—‹ 2017-08-17 20:28:28
● 2026-03-26 09:08:28
● 2026-04-14 11:50:28
●A2606:4700:3037::6815:109b2026-03-26 β†’ 2026-04-14 Β· 3 obs
β—‹ 2017-08-17 20:28:28
● 2026-03-26 09:08:28
● 2026-04-14 11:50:28
β—‹A47.89.194.642017-08-17 β†’ 2017-08-17 Β· 4 obs
β—‹ 2016-04-11 17:59:28
● 2017-08-17 20:28:28
β—‹ 2026-03-26 09:08:28
β—‹ 2026-04-14 11:50:28
β—‹A59.188.9.432015-12-13 β†’ 2015-12-13 Β· 4 obs
β—‹ 2015-07-21 09:48:50
● 2015-12-13 18:23:30
β—‹ 2016-03-23 23:42:48
β—‹ 2026-04-14 11:50:28
β—‹A67.198.175.2192015-07-21 β†’ 2015-07-21 Β· 3 obs
● 2015-07-21 09:48:50
β—‹ 2015-12-13 18:23:30
β—‹ 2026-04-14 11:50:28

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
cna.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...-
kctk.cnodin.ns.cloudflare.com, elaine.ns.cloudflare.com-

βœ… Authoritative Response

Server:162.159.44.208

NS records: odin.ns.cloudflare.com, elaine.ns.cloudflare.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kctk.cn (unsigned zone)

⏱️ Timing

Total: 2686ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A2104.21.16.155, 172.67.213.171
AAAA22606:4700:3037::6815:109b, 2606:4700:3035::ac43:d5ab
NS2elaine.ns.cloudflare.com, odin.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1elaine.ns.cloudflare.com dns.cloudflare.

Analysis

IP Addresses

kctk.cn maps to four IP numbers: 2606:4700:3035::ac43:d5ab, 2606:4700:3037::6815:109b, 104.21.16.155 and 172.67.213.171.

other host names include 4dad.com, handler1.qonversion.workers.dev, endif.in, sampolac.com and www.android.electronspy.com; they share IP numbers with kctk.cn.

Name Servers

Two name servers elaine.ns.cloudflare.com and odin.ns.cloudflare.com handle the delegation for kctk.cn.

kctk.cn shares the same name server setup as other domains, for instance instapayapp.com, zghqpx.com, shcens.com, characterhotel.com and shoutai.net.

kctk.cn at least partially shares name servers with other domains, for instance vosse.me, barin.io, psip.fi, clubedosmiudos.com and (0x736578)one.net.

These name servers are commonly used with mustafa.ns.cloudflare.com, mario.ns.cloudflare.com, desi.ns.cloudflare.com, eloise.ns.cloudflare.com, justin.ns.cloudflare.com and destiny.ns.cloudflare.com.

Six IP addresses per host:

elaine.ns.cloudflare.com points to 2606:4700:50::adf5:3a98, 2803:f800:50::6ca2:c098, 2a06:98c1:50::ac40:2098, 108.162.192.152, 172.64.32.152 and 173.245.58.152; odin.ns.cloudflare.com points to 2606:4700:58::a29f:2cd0, 2803:f800:50::6ca2:c3d0, 2a06:98c1:50::ac40:23d0, 108.162.195.208, 162.159.44.208 and 172.64.35.208