zzdoc.cn - robtex.com
zzdoc.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 154.80.249.99🇭🇰 DXTL-HK154.80.240.0/20 Proxy-registered route object | ||||||
| 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=1769093492 | ||||||
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=2034592612 | ||||||
Same first word
zzdoc.cn |
Similar names
DNS History
3 records (3 active, 0 former)
●NSdm1.longmingdns.com2026-02-28 → 2026-03-27 · 2 obs
● 2026-03-27 08:00:14
●NSdm2.longmingdns.com2026-02-28 → 2026-03-27 · 2 obs
● 2026-03-27 08:00:14
●A154.80.249.992026-02-28 → 2026-03-27 · 2 obs
● 2026-03-27 08:00:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| zzdoc.cn | dm1.longmingdns.com, dm2.longmingdns.com | - |
✅ Authoritative Response
Server:218.98.111.163
NS records: dm1.longmingdns.com, dm2.longmingdns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for zzdoc.cn (unsigned zone)
⏱️ Timing
Total: 4222ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 154.80.249.99 |
| NS | 2 | dm1.longmingdns.com, dm2.longmingdns.com |
| SOA | 1 | dm1.longmingdns.com dnsadmin.longmingdns |
Analysis
IP Addresses
zzdoc.cn points to a single IP address: 154.80.249.99.
Other host names such as oyuio.4o34t.cn, www.oyuio.4o34t.cn, 4o34t.cn, www.4o34t.cn and q7p3m.4o34t.cn share IPs with zzdoc.cn.
Name Servers
Two name servers dm1.longmingdns.com and dm2.longmingdns.com handle the delegation for zzdoc.cn.
zzdoc.cn shares the same name server setup as other domains, for example newshell.cn, cheuktai.cn, shouedu.cn, iz39.cn and qqaimi.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.