ckdt.cn - robtex.com

ckdt.cn

DNSSEC⚠️ Not signed
A2606:4700:3036::ac43:907f🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:4771🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.71.113Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.144.127🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSlaura.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3ab7🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlaura.ns.cloudflare.com
A2803:f800:50::6ca2:c0b7🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRlaura.ns.cloudflare.com
A2a06:98c1:50::ac40:20b7🇺🇸 Cloudflare2a06:98c1:50::/45
PTRlaura.ns.cloudflare.com
A108.162.192.183🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlaura.ns.cloudflare.com
A172.64.32.183🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlaura.ns.cloudflare.com
A173.245.58.183🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlaura.ns.cloudflare.com
NSmike.ns.cloudflare.com
A2606:4700:58::a29f:2c3f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmike.ns.cloudflare.com
A2803:f800:50::6ca2:c33f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmike.ns.cloudflare.com
A2a06:98c1:50::ac40:233f🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmike.ns.cloudflare.com
A108.162.195.63🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmike.ns.cloudflare.com
A162.159.44.63Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmike.ns.cloudflare.com
A172.64.35.63🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmike.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.71.113, 172.67.144.127
IPv6 hints2606:4700:3036::ac43:907f, 2606:4700:3037::6815:4771
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=93, name=cloudflare-ech.com
SOAlaura.ns.cloudflare.comdns@cloudflare.com serial=2400426296

cn

DNSSEC🔒 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=2034658908

Previously NS for

ckdt.cn

Same first word

ckdt.nl
ckdt.ch
ckdt.de
ckdt.cn

Similar names

kdtc.org.uk
kdct.org
ktdc.be
dctk.com
tdck.cn
tkdc.org
kdtc.ca
dtck.vn
kdtc.net
tdck.com
ktcd.site
tdkc.com.ua
cdtk.com.cn
ktdc.co.kr
ktdc.in
ctkd.no
dktc.cn
dtkc.com.au
tdkc.ru
kdct.de
dctk.wroc.pl
ktdc.com
kdtc.cn
tkcd.com
dtkc.net
dtck.be
ctkd.com.tn
ktdc.info
dktc.de
kcdt.org
dtkc.co.uk
ktdc.de
tkcd.nl
ktcd.kr
kctd.org
cdkt.cn
kdtc.tw
kdtc.com
dtkc.org
kdtc.org
dkct.de
dckt.net
tdkc.com
ctkd.cn
kctd.cn
ktdc.cn
cktd.com
kcdt.nl
tkdc.com.cn
kdct.cn
kctd.ru
cdkt.ru
kdtc.ac.th
tcdk.cc
dctk.de
dktc.nl
ctkd.nl
tdkc.org
dckt.com
dtkc.de
dctk.cn
tkcd.net
cdkt.com
tcdk.ru
ktdc.org
tkdc.de
kcdt.ru
ktdc.co.ke
cdkt.io
kdtc.ru
dckt.ru

DNS History

8 records (6 active, 2 former)

20162017201820192020202120222023202420252026NSlaura.ns.cloudflare.commike.ns.cloudflare.comckdt.cnA104.21.71.113172.67.144.1272606:4700:3036::ac43:907f2606:4700:3037::6815:477167.198.211.141
○NSckdt.cn2015-06-08 → 2015-06-08 · 3 obs
● 2015-06-08 22:33:54
○ 2026-04-06 15:46:30
○ 2026-04-11 12:24:38
●NSlaura.ns.cloudflare.com2026-04-06 → 2026-04-11 · 3 obs
○ 2015-06-08 22:33:54
● 2026-04-06 15:46:30
● 2026-04-11 12:24:38
●NSmike.ns.cloudflare.com2026-04-06 → 2026-04-11 · 3 obs
○ 2015-06-08 22:33:54
● 2026-04-06 15:46:30
● 2026-04-11 12:24:38
●A104.21.71.1132026-04-06 → 2026-04-11 · 3 obs
○ 2015-06-08 22:33:54
● 2026-04-06 15:46:30
● 2026-04-11 12:24:38
●A172.67.144.1272026-04-06 → 2026-04-11 · 3 obs
○ 2015-06-08 22:33:54
● 2026-04-06 15:46:30
● 2026-04-11 12:24:38
●A2606:4700:3036::ac43:907f2026-04-06 → 2026-04-11 · 3 obs
○ 2015-06-08 22:33:54
● 2026-04-06 15:46:30
● 2026-04-11 12:24:38
●A2606:4700:3037::6815:47712026-04-06 → 2026-04-11 · 3 obs
○ 2015-06-08 22:33:54
● 2026-04-06 15:46:30
● 2026-04-11 12:24:38
○A67.198.211.1412015-06-08 → 2015-06-08 · 3 obs
● 2015-06-08 22:33:54
○ 2026-04-06 15:46:30
○ 2026-04-11 12:24:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cna.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...-
ckdt.cnmike.ns.cloudflare.com, laura.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.35.63

NS records: mike.ns.cloudflare.com, laura.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ckdt.cn (unsigned zone)

⏱️ Timing

Total: 697ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.144.127, 104.21.71.113
AAAA22606:4700:3037::6815:4771, 2606:4700:3036::ac43:907f
NS2laura.ns.cloudflare.com, mike.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1laura.ns.cloudflare.com dns.cloudflare.c

Analysis

IP Addresses

ckdt.cn refers to four IP numbers: 2606:4700:3036::ac43:907f, 2606:4700:3037::6815:4771, 104.21.71.113 and 172.67.144.127.

Other host names, for instance mojevademecum.sk, panseraikos.gr, open-team.xyz, langtop.cn and devtaar.com share IP numbers with ckdt.cn.

Name Servers

ckdt.cn's delegation uses two name servers: laura.ns.cloudflare.com and mike.ns.cloudflare.com.

ckdt.cn uses the same name server setup as other domains, such as jintangan.cn, dnlcw.cn, seabs.cn, dezender.cn and pengyaowater.cn.

ckdt.cn at least partially shares name servers with other domains, including vulkanrussia-sloti.com, cschomburg.com, soundchess.tv, bryhardt.com and gimota.ch.

These name servers are commonly used with augustus.ns.cloudflare.com, treasure.ns.cloudflare.com and rodney.ns.cloudflare.com.

Host names with six IP numbers:

laura.ns.cloudflare.com points to 2606:4700:50::adf5:3ab7, 2803:f800:50::6ca2:c0b7, 2a06:98c1:50::ac40:20b7, 108.162.192.183, 172.64.32.183 and 173.245.58.183.

mike.ns.cloudflare.com points to 2606:4700:58::a29f:2c3f, 2803:f800:50::6ca2:c33f, 2a06:98c1:50::ac40:233f, 108.162.195.63, 162.159.44.63 and 172.64.35.63.