uckb.cn - robtex.com
uckb.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::ac43:81aa🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::6815:1ae🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.1.174Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.129.170🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | carrera.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:26e7🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | carrera.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2e7🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | carrera.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22e7🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | carrera.ns.cloudflare.com | ||||||
| A | 108.162.194.231🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | carrera.ns.cloudflare.com | ||||||
| A | 162.159.38.231Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | carrera.ns.cloudflare.com | ||||||
| A | 172.64.34.231🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | carrera.ns.cloudflare.com | ||||||
| NS | jim.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3b7d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jim.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c17d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | jim.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:217d🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | jim.ns.cloudflare.com | ||||||
| A | 108.162.193.125🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jim.ns.cloudflare.com | ||||||
| A | 172.64.33.125🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jim.ns.cloudflare.com | ||||||
| A | 173.245.59.125🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jim.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.1.174, 172.67.129.170 | ||||||
| IPv6 | 2606:4700:3030::ac43:81aa, 2606:4700:3035::6815:1ae | ||||||
| SOA | carrera.ns.cloudflare.comdns@cloudflare.com serial=2400082501 | ||||||
cn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.cn ⭐ | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2034593213 | ||||||
Same first word
Similar names
DNS History
8 records (6 active, 2 former)
●NScarrera.ns.cloudflare.com2026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 02:17:16
● 2026-03-27 10:44:38
○NSdns10.hichina.com2016-12-30 → 2016-12-30 · 3 obs
○ 2026-03-27 02:17:16
○ 2026-03-27 10:44:38
○NSdns9.hichina.com2016-12-30 → 2016-12-30 · 3 obs
○ 2026-03-27 02:17:16
○ 2026-03-27 10:44:38
●NSjim.ns.cloudflare.com2026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 02:17:16
● 2026-03-27 10:44:38
●A104.21.1.1742026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 10:44:38
●A172.67.129.1702026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 10:44:38
●A2606:4700:3030::ac43:81aa2026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 10:44:38
●A2606:4700:3035::6815:1ae2026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 10:44:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | b.dns.cn, d.dns.cn, a.dns.cn, e.dns.cn... | - |
| uckb.cn | jim.ns.cloudflare.com, carrera.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.33.125
NS records: jim.ns.cloudflare.com, carrera.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for uckb.cn (unsigned zone)
⏱️ Timing
Total: 376ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.1.174, 172.67.129.170 |
| AAAA | 2 | 2606:4700:3030::ac43:81aa, 2606:4700:3035::6815:1ae |
| NS | 2 | carrera.ns.cloudflare.com, jim.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | carrera.ns.cloudflare.com dns.cloudflare |
Analysis
IP Addresses
uckb.cn points to four IP numbers: 2606:4700:3030::ac43:81aa, 2606:4700:3035::6815:1ae, 104.21.1.174 and 172.67.129.170.
Other host names, for instance jeffsworld.net, xd90gnkhr2c3x5.fmlmo.com, theorganiclifemovie.com, austynhill.com and 89bet.work share IP numbers with uckb.cn.
Name Servers
uckb.cn is delegated to two name servers: carrera.ns.cloudflare.com and jim.ns.cloudflare.com.
uckb.cn uses the same name server setup as other domains, for instance zhonghaizhirong.com, zl2p46h.cn, 513116.com, jevrat.com and nmlcd.com.
uckb.cn shares name servers with other domains at least partially, for instance 27b57.com, trainingcoursesnow.com, zenkreka.com, corporate.email and raiderfans.net.
these name servers are often used together with the name servers carlos.ns.cloudflare.com.
Host names with six IP numbers: carrera.ns.cloudflare.com points to 2606:4700:50::a29f:26e7, 2803:f800:50::6ca2:c2e7, 2a06:98c1:50::ac40:22e7, 108.162.194.231, 162.159.38.231 and 172.64.34.231; jim.ns.cloudflare.com points to 2606:4700:58::adf5:3b7d, 2803:f800:50::6ca2:c17d, 2a06:98c1:50::ac40:217d, 108.162.193.125, 172.64.33.125 and 173.245.59.125.