edu185.cn - robtex.com
edu185.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 201.5.140.173 | ||||||
| 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=1774357440 | ||||||
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=2034660590 | ||||||
Same first word
edu185.cn |
Similar names
DNS History
6 records (3 active, 3 former)
●NSdm1.longmingdns.com2026-04-10 → 2026-04-12 · 3 obs
○ 2019-12-31 23:21:10
● 2026-04-10 13:37:26
● 2026-04-12 01:15:30
● 2026-04-10 13:37:26
● 2026-04-12 01:15:30
●NSdm2.longmingdns.com2026-04-10 → 2026-04-12 · 3 obs
○ 2019-12-31 23:21:10
● 2026-04-10 13:37:26
● 2026-04-12 01:15:30
● 2026-04-10 13:37:26
● 2026-04-12 01:15:30
○NSns3.dnsdun.com2019-12-31 → 2019-12-31 · 3 obs
● 2019-12-31 23:21:10
○ 2026-04-10 13:37:26
○ 2026-04-12 01:15:30
○ 2026-04-10 13:37:26
○ 2026-04-12 01:15:30
○NSns3.dnsdun.net2019-12-31 → 2019-12-31 · 3 obs
● 2019-12-31 23:21:10
○ 2026-04-10 13:37:26
○ 2026-04-12 01:15:30
○ 2026-04-10 13:37:26
○ 2026-04-12 01:15:30
○A154.90.41.1652019-12-31 → 2019-12-31 · 3 obs
● 2019-12-31 23:21:10
○ 2026-04-10 13:37:26
○ 2026-04-12 01:15:30
○ 2026-04-10 13:37:26
○ 2026-04-12 01:15:30
●A201.5.140.1732026-04-10 → 2026-04-12 · 3 obs
○ 2019-12-31 23:21:10
● 2026-04-10 13:37:26
● 2026-04-12 01:15:30
● 2026-04-10 13:37:26
● 2026-04-12 01:15:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| edu185.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 edu185.cn (unsigned zone)
⏱️ Timing
Total: 1878ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 201.5.140.173 |
| NS | 2 | dm1.longmingdns.com, dm2.longmingdns.com |
| SOA | 1 | dm1.longmingdns.com dnsadmin.longmingdns |
Analysis
IP Addresses
edu185.cn points to a single IP number: 201.5.140.173.
Name Servers
edu185.cn is delegated to two name servers: dm1.longmingdns.com and dm2.longmingdns.com.
edu185.cn shares the same name server setup as other domains, for example 955871.cn, stemcor.com.cn, childrenworld.com.cn, hstswkj.com.cn and mgku.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.