uclt.cn - robtex.com

uclt.cn

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:4db5πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A2606:4700:3035::ac43:d2eeπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A104.21.77.181Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A172.67.210.238πŸ‡ΊπŸ‡Έ Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
NSbrenna.ns.cloudflare.com ⭐
A2606:4700:50::a29f:26b0πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrenna.ns.cloudflare.com
A2803:f800:50::6ca2:c2b0πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRbrenna.ns.cloudflare.com
A2a06:98c1:50::ac40:22b0πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRbrenna.ns.cloudflare.com
A108.162.194.176πŸ‡ΊπŸ‡Έ Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrenna.ns.cloudflare.com
A162.159.38.176Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrenna.ns.cloudflare.com
A172.64.34.176πŸ‡ΊπŸ‡Έ Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrenna.ns.cloudflare.com
NSken.ns.cloudflare.com
A2606:4700:58::adf5:3b7fπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRken.ns.cloudflare.com
A2803:f800:50::6ca2:c17fπŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRken.ns.cloudflare.com
A2a06:98c1:50::ac40:217fπŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRken.ns.cloudflare.com
A108.162.193.127πŸ‡ΊπŸ‡Έ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRken.ns.cloudflare.com
A172.64.33.127πŸ‡ΊπŸ‡Έ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRken.ns.cloudflare.com
A173.245.59.127πŸ‡ΊπŸ‡Έ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRken.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 βœ“ hints match
IPv4104.21.77.181, 172.67.210.238
IPv62606:4700:3032::6815:4db5, 2606:4700:3035::ac43:d2ee
SOAbrenna.ns.cloudflare.comdns@cloudflare.com serial=2399394650

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=2034546407

Subdomains

Same first word

Similar names

DNS History

12 records (6 active, 6 former)

201820192020202120222023202420252026NSbrenna.ns.cloudflare.comken.ns.cloudflare.comdns13.hichina.comdns14.hichina.comwww.uclt.cnA104.21.77.181172.67.210.2382606:4700:3032::6815:4db52606:4700:3035::ac43:d2ee170.178.178.41CNAMEoverdue.aliyun.comu.dcoin.co
●NSbrenna.ns.cloudflare.com2026-03-12 β†’ 2026-03-24 Β· 3 obs
β—‹ 2019-09-20 02:42:38
● 2026-03-12 07:21:50
● 2026-03-24 08:36:28
β—‹NSdns13.hichina.com2019-08-26 β†’ 2019-09-20 Β· 5 obs
β—‹ 2017-05-16 05:07:48
● 2019-08-26 01:46:02
● 2019-09-20 02:42:38
β—‹ 2026-03-12 07:21:50
β—‹ 2026-03-24 08:36:28
β—‹NSdns14.hichina.com2019-08-26 β†’ 2019-09-20 Β· 5 obs
β—‹ 2017-05-16 05:07:48
● 2019-08-26 01:46:02
● 2019-09-20 02:42:38
β—‹ 2026-03-12 07:21:50
β—‹ 2026-03-24 08:36:28
●NSken.ns.cloudflare.com2026-03-12 β†’ 2026-03-24 Β· 3 obs
β—‹ 2019-09-20 02:42:38
● 2026-03-12 07:21:50
● 2026-03-24 08:36:28
β—‹NSwww.uclt.cn2017-05-16 β†’ 2017-05-16 Β· 3 obs
● 2017-05-16 05:07:48
β—‹ 2019-08-26 01:46:02
β—‹ 2026-03-24 08:36:28
●A104.21.77.1812026-03-12 β†’ 2026-03-24 Β· 3 obs
β—‹ 2019-08-26 01:46:02
● 2026-03-12 07:21:50
● 2026-03-24 08:36:28
β—‹A170.178.178.412017-05-16 β†’ 2017-05-16 Β· 3 obs
● 2017-05-16 05:07:48
β—‹ 2019-08-26 01:46:02
β—‹ 2026-03-24 08:36:28
●A172.67.210.2382026-03-12 β†’ 2026-03-24 Β· 3 obs
β—‹ 2019-08-26 01:46:02
● 2026-03-12 07:21:50
● 2026-03-24 08:36:28
●A2606:4700:3032::6815:4db52026-03-12 β†’ 2026-03-24 Β· 3 obs
β—‹ 2019-08-26 01:46:02
● 2026-03-12 07:21:50
● 2026-03-24 08:36:28
●A2606:4700:3035::ac43:d2ee2026-03-12 β†’ 2026-03-24 Β· 3 obs
β—‹ 2019-08-26 01:46:02
● 2026-03-12 07:21:50
● 2026-03-24 08:36:28
β—‹CNAMEoverdue.aliyun.com2019-08-26 β†’ 2019-09-20 Β· 5 obs
β—‹ 2017-05-16 05:07:48
● 2019-08-26 01:46:02
● 2019-09-20 02:42:38
β—‹ 2026-03-12 07:21:50
β—‹ 2026-03-24 08:36:28
β—‹CNAMEu.dcoin.co2017-05-16 β†’ 2017-05-16 Β· 3 obs
● 2017-05-16 05:07:48
β—‹ 2019-08-26 01:46:02
β—‹ 2026-03-24 08:36:28

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
cne.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn...-
uclt.cnken.ns.cloudflare.com, brenna.ns.cloudflare.com-

βœ… Authoritative Response

Server:162.159.38.176

NS records: ken.ns.cloudflare.com, brenna.ns.cloudflare.com

πŸ”’ DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at cn: Error: DNS query timeout: 203.119.29.1 for DNSKEY cn

⏱️ Timing

Total: 3936ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A2104.21.77.181, 172.67.210.238
AAAA22606:4700:3035::ac43:d2ee, 2606:4700:3032::6815:4db5
NS2brenna.ns.cloudflare.com, ken.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1brenna.ns.cloudflare.com dns.cloudflare.

Analysis

Hierarchy

uclt.cn is the parent of www.uclt.cn.

IP Addresses

Four IP numbers are pointed to by uclt.cn: 2606:4700:3032::6815:4db5, 2606:4700:3035::ac43:d2ee, 104.21.77.181 and 172.67.210.238.

other host names including hatzopoulos.co.uk, paron.gr, wildbrandi.com, www.esis.ac.tz.cdn.cloudflare.net and ivanivanov.de share IP numbers with uclt.cn.

Name Servers

uclt.cn is delegated to two name servers brenna.ns.cloudflare.com and ken.ns.cloudflare.com.

uclt.cn shares the same name server setup as other domains, for instance leql.cn, caifuxx.cn, c9730.cn, szjieda.net and uwon.com.cn.

uclt.cn at least partially shares name servers with other domains, for instance transition-works.com, dasidai88.com, michigangreenmeds.com, karinstroo.nl and allfreeprintable4u.com.

These name servers are commonly used with aaden.ns.cloudflare.com, lisa.ns.cloudflare.com, ns1.colocrossing.com, ns2.colocrossing.com and troy.ns.cloudflare.com.

Host names with six IP numbers:

Host name brenna.ns.cloudflare.com points to: 2606:4700:50::a29f:26b0, 2803:f800:50::6ca2:c2b0, 2a06:98c1:50::ac40:22b0, 108.162.194.176, 162.159.38.176 and 172.64.34.176.

Host name ken.ns.cloudflare.com points to: 2606:4700:58::adf5:3b7f, 2803:f800:50::6ca2:c17f, 2a06:98c1:50::ac40:217f, 108.162.193.127, 172.64.33.127 and 173.245.59.127.