u3b.cn - robtex.com
u3b.cn
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=2035160947 | ||||||
Same first word
Similar names
ub3.co.uk |
ub3.cn |
ub3.com |
3bu.ru |
bu3.cn |
3bu.ph |
3ub.de |
bu3.nl |
b3u.com |
3ub.com |
3bu.de |
3ub.ir |
3bu.com |
bu3.ch |
bu3.com |
3bu.cn |
3bu.net |
bu3.de |
bu3.eu |
b3u.org |
bu3.com.cn |
bu3.mobi |
bu3.ru |
ub3.net |
b3u.net |
3bu.cc |
DNS History
6 records (5 active, 1 former)
○A38.173.183.1832026-05-20 → 2026-06-03 · 4 obs
● 2026-06-03 12:14:04
○ 2026-06-06 17:54:26
○ 2026-08-09 22:12:22
●A45.204.161.2122026-07-08 → 2026-08-09 · 3 obs
● 2026-07-08 16:04:56
● 2026-08-09 22:12:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| u3b.cn | ns1.363.hk, ns2.363.hk, ns3.363.hk, ns4.363.hk | - |
✅ Authoritative Response
Server:118.123.249.114
NS records: ns1.363.hk, ns2.363.hk, ns3.363.hk, ns4.363.hk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for u3b.cn (unsigned zone)
⏱️ Timing
Total: 3232ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 45.204.161.212 |
| NS | 4 | ns1.363.hk, ns3.363.hk... |
| SOA | 1 | ns1.363.hk dnsconct.363.hk |
Analysis
IP Addresses
u3b.cn resolves to one IP address: 45.204.161.212.
Host names like doudoudog.cn are further examples that share IP numbers with u3b.cn.
Name Servers
The authoritative name servers for u3b.cn are ns1.363.hk, ns2.363.hk, ns3.363.hk and ns4.363.hk.
u3b.cn shares at least some of its name servers with other domains, including linklane.cn, caisenqun.xyz, tkcv.cn and two others.
These name servers are frequently seen alongside ns1.myhostadmin.net, ns2.myhostadmin.net, ns5.363.hk and 5 other name servers.
Hosts that point to four IP numbers:
ns1.363.hk points to 60.247.150.254, 118.123.249.114, 118.123.253.132 and 240e:d9:c200::2.
Hostnames that resolve to three IP addresses:
The hostname ns2.363.hk points to 61.172.183.73, 211.149.230.100 and 240e:d9:c200:1::2.
The hostname ns3.363.hk points to 61.172.183.77, 118.123.249.114 and 240e:d9:c200::2.
The hostname ns4.363.hk points to 118.123.253.132, 211.149.230.100 and 240e:d9:c200:1::2.
ns1.363.hk along with ns3.363.hk each resolve to 240e:d9:c200::2 IP addresses.
ns1.363.hk along with ns3.363.hk each resolve to 118.123.249.114 IP addresses.
ns1.363.hk along with ns4.363.hk each resolve to 118.123.253.132 IP addresses.
ns2.363.hk along with ns4.363.hk each resolve to 240e:d9:c200:1::2 IP addresses.
ns2.363.hk along with ns4.363.hk each resolve to 211.149.230.100 IP addresses.