b021.com.cn - robtex.com
b021.com.cn
com.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.dns.cn ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | c.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | cns.cernet.net ⚠️ Not in parent delegation | ||||||
| NS | d.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | e.dns.cn ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2030510728 | ||||||
Same first word
Similar names
DNS History
6 records (3 active, 3 former)
○NSf1g1ns1.dnspod.net2015-08-06 → 2015-08-06 · 3 obs
○ 2015-11-23 08:41:42
○ 2026-04-12 11:50:46
○NSf1g1ns2.dnspod.net2015-08-06 → 2015-08-06 · 3 obs
○ 2015-11-23 08:41:42
○ 2026-04-12 11:50:46
●NSn1.xundns.com2026-03-08 → 2026-04-12 · 3 obs
● 2026-03-08 01:25:52
● 2026-04-12 11:50:46
●NSn2.xundns.com2026-03-08 → 2026-04-12 · 3 obs
● 2026-03-08 01:25:52
● 2026-04-12 11:50:46
●A192.250.207.1882026-03-08 → 2026-04-12 · 3 obs
● 2026-03-08 01:25:52
● 2026-04-12 11:50:46
○A198.56.128.2362015-08-06 → 2015-08-06 · 3 obs
○ 2015-11-23 08:41:42
○ 2026-04-12 11:50:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| b021.com.cn | n1.xundns.com, n2.xundns.com | - |
✅ Authoritative Response
Server:119.91.0.164
NS records: n1.xundns.com, n2.xundns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for b021.com.cn (unsigned zone)
⏱️ Timing
Total: 1977ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 192.250.207.188 |
| NS | 2 | n1.xundns.com, n2.xundns.com |
| SOA | 1 | n1.xundns.com nsadmin.xundns.com |
Analysis
IP Addresses
b021.com.cn points to a single IP address: 192.250.207.188.
Other host names such as dhjscl.com.cn and whznj.com.cn share IP numbers with b021.com.cn.
Name Servers
b021.com.cn is delegated to two name servers: n1.xundns.com and n2.xundns.com.
b021.com.cn uses the same name server setup as other domains, including jenkinsinsgroup.com, yaobojie.com, wqcyw.com, sjmen.cn and xylto.com.
At least part of the name servers for b021.com.cn are shared with other domains, for instance 555831c.com, eclipsephotographers.com, 448jyy.com, walpertravel.com and cs90501.cc.
These name servers are commonly used alongside v1s1.xundns.com and v1s2.xundns.com.
Host names with six IP numbers:
n2.xundns.com points to: 2408:8621:0:42:e401:813:0:25, 2408:8722:1801:10:4:611:6303:181, 2604:86c0:6001:8::a9c5:8e51, 61.163.30.181, 122.114.39.7 and 169.197.142.81.
Host names with five IP numbers:
n1.xundns.com points to: 2409:8c44:1b00:601:1:1110:609:6027, 2604:86c0:5001:11::2659:466b, 38.89.70.107, 111.6.96.27 and 119.91.0.164.