b-bird.cn - robtex.com
b-bird.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.246.245.219🇭🇰 CLOUDIE-AS-AP103.246.244.0/23 Cloudie Limited Unit 1604, Perfect Industrial Building, 31st Tai Yau Street | ||||||
| PTR | scdc.worra.com | ||||||
| NS | dm1.longmingdns.com ⭐ | ||||||
| A | 218.98.111.163🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| NS | dm2.longmingdns.com | ||||||
| A | 183.253.57.197🇨🇳 CHINAMOBILE-CN183.253.0.0/16 CMI (Customer Route) | ||||||
| A | 211.99.99.56🇨🇳 DONGGUAN-1211.99.99.0/24 Proxy-registered route object | ||||||
| SOA | dm1.longmingdns.comdnsadmin@longmingdns.com serial=1762536222 | ||||||
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=2034774126 | ||||||
Same first word
Similar names
DNS History
3 records (3 active, 0 former)
●NSdm1.longmingdns.com2026-02-17 → 2026-05-10 · 2 obs
● 2026-05-10 11:09:50
●NSdm2.longmingdns.com2026-02-17 → 2026-05-10 · 2 obs
● 2026-05-10 11:09:50
●A103.246.245.2192026-02-17 → 2026-05-10 · 2 obs
● 2026-05-10 11:09:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| b-bird.cn | dm1.longmingdns.com, dm2.longmingdns.com | - |
✅ Authoritative Response
Server:211.99.99.56
NS records: dm1.longmingdns.com, dm2.longmingdns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for b-bird.cn (unsigned zone)
⏱️ Timing
Total: 3744ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.246.245.219 |
| NS | 2 | dm1.longmingdns.com, dm2.longmingdns.com |
| SOA | 1 | dm1.longmingdns.com dnsadmin.longmingdns |
Analysis
IP Addresses
b-bird.cn points to a single IP address: 103.246.245.219.
Other host names, for example mqwd.iufdgi.cn, mqwc.iufdgi.cn and mqwf.iufdgi.cn share IPs with b-bird.cn.
Name Servers
Two name servers dm1.longmingdns.com and dm2.longmingdns.com handle the delegation for b-bird.cn.
b-bird.cn shares the same name server setup as other domains, for example kunminggoldeneagle.cn, zkqxj.cn, ucyr.cn, leoad.cn and ozmu.cn.
Host names with two IP numbers:
dm2.longmingdns.com points to 183.253.57.197 and 211.99.99.56.
Host names with one IP number:
dm1.longmingdns.com points to 218.98.111.163.