51rec.cn - robtex.com
51rec.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 38.239.29.43🇺🇸 HDHK38.239.16.0/20 | ||||||
| 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=1773244401 | ||||||
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=2034659955 | ||||||
Same first word
51rec.cn |
Similar names
DNS History
4 records (3 active, 1 former)
●NSdm1.longmingdns.com2026-03-28 → 2026-04-11 · 2 obs
● 2026-03-28 05:02:48
● 2026-04-11 19:24:48
● 2026-04-11 19:24:48
●NSdm2.longmingdns.com2026-03-28 → 2026-04-11 · 2 obs
● 2026-03-28 05:02:48
● 2026-04-11 19:24:48
● 2026-04-11 19:24:48
○A38.238.122.432026-03-28 → 2026-04-11 · 2 obs
○ 2026-03-28 05:02:48
○ 2026-04-11 19:24:48
○ 2026-04-11 19:24:48
●A38.239.29.432026-03-28 → 2026-04-11 · 2 obs
● 2026-03-28 05:02:48
● 2026-04-11 19:24:48
● 2026-04-11 19:24:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| 51rec.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 51rec.cn (unsigned zone)
⏱️ Timing
Total: 1697ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 38.239.29.43 |
| NS | 2 | dm1.longmingdns.com, dm2.longmingdns.com |
| SOA | 1 | dm1.longmingdns.com dnsadmin.longmingdns |
Analysis
IP Addresses
51rec.cn points to a single IP: 38.239.29.43.
Name Servers
51rec.cn's delegation is to two name servers dm1.longmingdns.com and dm2.longmingdns.com.
51rec.cn shares the same name server configuration as other domains, such as scway.cn, duplessis.cn, ceners.cn, nxphotos.cn and varon.cn.
Host names with two IPs:
dm2.longmingdns.com points to: 183.253.57.197 and 211.99.99.56.
Host names with one IP:
dm1.longmingdns.com points to: 218.98.111.163.