cdvns.cn - robtex.com
cdvns.cn
| DNSSEC | ⚠️ Not signed | ||||||
| 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=1781190557 | ||||||
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=2035056713 | ||||||
Same first word
Similar names
DNS History
2 records (2 active, 0 former)
●NSdm1.longmingdns.com2026-06-13 → 2026-07-18 · 2 obs
● 2026-06-13 05:17:38
● 2026-07-18 15:09:28
● 2026-07-18 15:09:28
●NSdm2.longmingdns.com2026-06-13 → 2026-07-18 · 2 obs
● 2026-06-13 05:17:38
● 2026-07-18 15:09:28
● 2026-07-18 15:09:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | d.dns.cn, c.dns.cn, a.dns.cn, b.dns.cn... | - |
| cdvns.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 cdvns.cn (unsigned zone)
⏱️ Timing
Total: 1640ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dm1.longmingdns.com, dm2.longmingdns.com |
| SOA | 1 | dm1.longmingdns.com dnsadmin.longmingdns |
Analysis
Name Servers
cdvns.cn is served by two delegated name servers, dm1.longmingdns.com and dm2.longmingdns.com.
The name server configuration of cdvns.cn is shared with other domains, for instance fj-baidu.cn, enjoyrenting.com, lytour.com.cn and two others.
Host names pointing to two IP addresses:
dm2.longmingdns.com maps to two IP addresses — 183.253.57.197 and 211.99.99.56.
Host names resolving to a single IP address:
dm1.longmingdns.com points to the IP address 218.98.111.163.