kcuc.cn - robtex.com

kcuc.cn

DNSSEC⚠️ Not signed
A2606:4700:3035::ac43:d429🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:3da4🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.61.164Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.212.41🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSchris.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b55🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchris.ns.cloudflare.com
A2803:f800:50::6ca2:c155🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRchris.ns.cloudflare.com
A2a06:98c1:50::ac40:2155🇺🇸 Cloudflare2a06:98c1:50::/45
PTRchris.ns.cloudflare.com
A108.162.193.85🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchris.ns.cloudflare.com
A172.64.33.85🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchris.ns.cloudflare.com
A173.245.59.85🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchris.ns.cloudflare.com
NSraquel.ns.cloudflare.com
A2606:4700:50::a29f:26d2🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRraquel.ns.cloudflare.com
A2803:f800:50::6ca2:c2d2🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRraquel.ns.cloudflare.com
A2a06:98c1:50::ac40:22d2🇺🇸 Cloudflare2a06:98c1:50::/45
PTRraquel.ns.cloudflare.com
A108.162.194.210🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRraquel.ns.cloudflare.com
A162.159.38.210Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRraquel.ns.cloudflare.com
A172.64.34.210🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRraquel.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.61.164, 172.67.212.41
IPv62606:4700:3035::ac43:d429, 2606:4700:3036::6815:3da4
SOAchris.ns.cloudflare.comdns@cloudflare.com serial=2400175895

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=2034609060

Same first word

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DNS History

14 records (6 active, 8 former)

2017201820192020202120222023202420252026NSchris.ns.cloudflare.comraquel.ns.cloudflare.comdns1.iidns.comdns10.hichina.comdns2.iidns.comdns3.iidns.comdns4.iidns.comdns5.iidns.comdns6.iidns.comdns9.hichina.comA104.21.61.164172.67.212.412606:4700:3035::ac43:d4292606:4700:3036::6815:3da4
●NSchris.ns.cloudflare.com2026-03-26 → 2026-03-30 · 3 obs
○ 2017-02-15 19:25:38
● 2026-03-26 23:19:00
● 2026-03-30 02:07:54
○NSdns1.iidns.com2016-07-05 → 2016-07-05 · 3 obs
● 2016-07-05 04:09:56
○ 2017-02-15 19:25:38
○ 2026-03-30 02:07:54
○NSdns10.hichina.com2017-02-15 → 2017-02-15 · 4 obs
○ 2016-07-05 04:09:56
● 2017-02-15 19:25:38
○ 2026-03-26 23:19:00
○ 2026-03-30 02:07:54
○NSdns2.iidns.com2016-07-05 → 2016-07-05 · 3 obs
● 2016-07-05 04:09:56
○ 2017-02-15 19:25:38
○ 2026-03-30 02:07:54
○NSdns3.iidns.com2016-07-05 → 2016-07-05 · 3 obs
● 2016-07-05 04:09:56
○ 2017-02-15 19:25:38
○ 2026-03-30 02:07:54
○NSdns4.iidns.com2016-07-05 → 2016-07-05 · 3 obs
● 2016-07-05 04:09:56
○ 2017-02-15 19:25:38
○ 2026-03-30 02:07:54
○NSdns5.iidns.com2016-07-05 → 2016-07-05 · 3 obs
● 2016-07-05 04:09:56
○ 2017-02-15 19:25:38
○ 2026-03-30 02:07:54
○NSdns6.iidns.com2016-07-05 → 2016-07-05 · 3 obs
● 2016-07-05 04:09:56
○ 2017-02-15 19:25:38
○ 2026-03-30 02:07:54
○NSdns9.hichina.com2017-02-15 → 2017-02-15 · 4 obs
○ 2016-07-05 04:09:56
● 2017-02-15 19:25:38
○ 2026-03-26 23:19:00
○ 2026-03-30 02:07:54
●NSraquel.ns.cloudflare.com2026-03-26 → 2026-03-30 · 3 obs
○ 2017-02-15 19:25:38
● 2026-03-26 23:19:00
● 2026-03-30 02:07:54
●A104.21.61.1642026-03-26 → 2026-03-30 · 2 obs
● 2026-03-26 23:19:00
● 2026-03-30 02:07:54
●A172.67.212.412026-03-26 → 2026-03-30 · 2 obs
● 2026-03-26 23:19:00
● 2026-03-30 02:07:54
●A2606:4700:3035::ac43:d4292026-03-26 → 2026-03-30 · 2 obs
● 2026-03-26 23:19:00
● 2026-03-30 02:07:54
●A2606:4700:3036::6815:3da42026-03-26 → 2026-03-30 · 2 obs
● 2026-03-26 23:19:00
● 2026-03-30 02:07:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cnb.dns.cn, d.dns.cn, e.dns.cn, c.dns.cn...-
kcuc.cnchris.ns.cloudflare.com, raquel.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.38.210

NS records: chris.ns.cloudflare.com, raquel.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kcuc.cn (unsigned zone)

⏱️ Timing

Total: 1025ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.61.164, 172.67.212.41
AAAA22606:4700:3035::ac43:d429, 2606:4700:3036::6815:3da4
NS2chris.ns.cloudflare.com, raquel.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1chris.ns.cloudflare.com dns.cloudflare.c

Analysis

IP Addresses

kcuc.cn resolves to four IPs: 2606:4700:3035::ac43:d429, 2606:4700:3036::6815:3da4, 104.21.61.164 and 172.67.212.41.

Other host names, for instance doctorbutters.com, stjudecc.org, ywbkizu.life, ns.respuestadigital.com and 681acef17de7.parrysparadise.com share IP numbers with kcuc.cn.

Name Servers

kcuc.cn has two name servers: chris.ns.cloudflare.com and raquel.ns.cloudflare.com.

kcuc.cn shares the same name server setup as other domains, for example gansaby.com, dryxi.com, fsdsxs.cn, itoh.cn and 3-dp.com.

kcuc.cn shares some name servers with other domains, for example hostvora.com, virtualpresenter.eu, metropole1070.com.br, takipcial.org and wki-ogs.com.

These name servers are commonly used with the name servers alexis.ns.cloudflare.com.

Host names with six IP numbers: chris.ns.cloudflare.com points to: 2606:4700:58::adf5:3b55, 2803:f800:50::6ca2:c155, 2a06:98c1:50::ac40:2155, 108.162.193.85, 172.64.33.85 and 173.245.59.85; raquel.ns.cloudflare.com points to: 2606:4700:50::a29f:26d2, 2803:f800:50::6ca2:c2d2, 2a06:98c1:50::ac40:22d2, 108.162.194.210, 162.159.38.210 and 172.64.34.210.