kcas.cn - robtex.com

kcas.cn

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:b75a🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:12d0🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.18.208Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.183.90🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSali.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a3b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRali.ns.cloudflare.com
A2803:f800:50::6ca2:c03b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRali.ns.cloudflare.com
A2a06:98c1:50::ac40:203b🇺🇸 Cloudflare2a06:98c1:50::/45
PTRali.ns.cloudflare.com
A108.162.192.59🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRali.ns.cloudflare.com
A172.64.32.59🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRali.ns.cloudflare.com
A173.245.58.59🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRali.ns.cloudflare.com
NSmatteo.ns.cloudflare.com
A2606:4700:58::a29f:2ce0🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmatteo.ns.cloudflare.com
A2803:f800:50::6ca2:c3e0🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmatteo.ns.cloudflare.com
A2a06:98c1:50::ac40:23e0🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmatteo.ns.cloudflare.com
A108.162.195.224🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmatteo.ns.cloudflare.com
A162.159.44.224Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmatteo.ns.cloudflare.com
A172.64.35.224🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmatteo.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.18.208, 172.67.183.90
IPv62606:4700:3030::ac43:b75a, 2606:4700:3035::6815:12d0
SOAali.ns.cloudflare.comdns@cloudflare.com serial=2400092540

cn

DNSSEC⚠️ Not signed
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=2034623136

Same first word

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DNS History

11 records (6 active, 5 former)

20162017201820192020202120222023202420252026NSali.ns.cloudflare.commatteo.ns.cloudflare.comMXmail.skrimple.comA104.21.18.208172.67.183.902606:4700:3030::ac43:b75a2606:4700:3035::6815:12d0103.51.144.8152.78.124.14965.19.157.23465.19.157.235
●NSali.ns.cloudflare.com2026-03-04 → 2026-04-02 · 2 obs
● 2026-03-04 10:54:46
● 2026-04-02 01:41:20
●NSmatteo.ns.cloudflare.com2026-03-04 → 2026-04-02 · 2 obs
● 2026-03-04 10:54:46
● 2026-04-02 01:41:20
○MXmail.skrimple.com2015-11-24 → 2017-02-05 · 4 obs
● 2015-11-24 10:11:34
● 2017-02-05 08:02:16
○ 2026-03-04 10:54:46
○ 2026-04-02 01:41:20
○A103.51.144.812017-02-05 → 2017-02-05 · 4 obs
○ 2016-05-09 10:07:52
● 2017-02-05 08:02:16
○ 2018-07-29 00:00:50
○ 2026-04-02 01:41:20
●A104.21.18.2082026-03-04 → 2026-04-02 · 3 obs
○ 2018-07-29 00:00:50
● 2026-03-04 10:54:46
● 2026-04-02 01:41:20
●A172.67.183.902026-03-04 → 2026-04-02 · 3 obs
○ 2018-07-29 00:00:50
● 2026-03-04 10:54:46
● 2026-04-02 01:41:20
●A2606:4700:3030::ac43:b75a2026-03-04 → 2026-04-02 · 3 obs
○ 2018-07-29 00:00:50
● 2026-03-04 10:54:46
● 2026-04-02 01:41:20
●A2606:4700:3035::6815:12d02026-03-04 → 2026-04-02 · 3 obs
○ 2018-07-29 00:00:50
● 2026-03-04 10:54:46
● 2026-04-02 01:41:20
○A52.78.124.1492018-07-29 → 2018-07-29 · 4 obs
○ 2017-02-05 08:02:16
● 2018-07-29 00:00:50
○ 2026-03-04 10:54:46
○ 2026-04-02 01:41:20
○A65.19.157.2342016-05-09 → 2016-05-09 · 4 obs
○ 2016-02-27 10:10:00
● 2016-05-09 10:07:52
○ 2017-02-05 08:02:16
○ 2026-04-02 01:41:20
○A65.19.157.2352015-11-24 → 2016-02-27 · 4 obs
● 2015-11-24 10:11:34
● 2016-02-27 10:10:00
○ 2016-05-09 10:07:52
○ 2026-04-02 01:41:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cna.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...-
kcas.cnali.ns.cloudflare.com, matteo.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.59

NS records: ali.ns.cloudflare.com, matteo.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kcas.cn (unsigned zone)

⏱️ Timing

Total: 884ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.183.90, 104.21.18.208
AAAA22606:4700:3030::ac43:b75a, 2606:4700:3035::6815:12d0
NS2ali.ns.cloudflare.com, matteo.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1ali.ns.cloudflare.com dns.cloudflare.com

Analysis

IP Addresses

kcas.cn points to four IP numbers: 2606:4700:3030::ac43:b75a, 2606:4700:3035::6815:12d0, 104.21.18.208 and 172.67.183.90.

Other host names including ahlcgw.com, ipevo.com, portmandentalcare.com, static.premiergl.com and homesafely.ca share IP numbers with kcas.cn.

Name Servers

kcas.cn's delegation uses two name servers, ali.ns.cloudflare.com and matteo.ns.cloudflare.com.

kcas.cn shares the same name server setup as other domains, for example konqe.com, 5918led.com, lcxylx.net, jxletu.com and njqxmj.com.

kcas.cn at least partially shares name servers with other domains, including wnet-technology.sk, infinitecasinobase.com, gemeinsam-fuer-vietnams-kinder.org, watpon.in.th and thebakesphere.qpon.

These name servers are often used together with piers.ns.cloudflare.com.

Host names with six IP numbers:

ali.ns.cloudflare.com points to: 2606:4700:50::adf5:3a3b, 2803:f800:50::6ca2:c03b, 2a06:98c1:50::ac40:203b, 108.162.192.59, 172.64.32.59 and 173.245.58.59.

matteo.ns.cloudflare.com points to: 2606:4700:58::a29f:2ce0, 2803:f800:50::6ca2:c3e0, 2a06:98c1:50::ac40:23e0, 108.162.195.224, 162.159.44.224 and 172.64.35.224.