21778.cn - robtex.com
21778.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 38.14.45.142🇺🇸 AS39882338.14.32.0/19 PEG TECH INC | ||||||
| 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=1773230976 | ||||||
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=2034671544 | ||||||
Same first word
Similar names
DNS History
18 records (3 active, 15 former)
●NSdm1.longmingdns.com2026-03-30 → 2026-04-15 · 3 obs
● 2026-03-30 12:55:10
● 2026-04-15 02:58:18
●NSdm2.longmingdns.com2026-03-30 → 2026-04-15 · 3 obs
● 2026-03-30 12:55:10
● 2026-04-15 02:58:18
○NSdns1.iidns.com2015-06-17 → 2016-04-10 · 4 obs
● 2016-04-10 11:59:36
○ 2017-07-06 16:25:30
○ 2026-04-15 02:58:18
○NSdns2.iidns.com2015-06-17 → 2016-04-10 · 4 obs
● 2016-04-10 11:59:36
○ 2026-03-30 12:55:10
○ 2026-04-15 02:58:18
○NSdns3.iidns.com2015-06-17 → 2016-04-10 · 4 obs
● 2016-04-10 11:59:36
○ 2026-03-30 12:55:10
○ 2026-04-15 02:58:18
○NSdns4.iidns.com2015-06-17 → 2016-04-10 · 4 obs
● 2016-04-10 11:59:36
○ 2026-03-30 12:55:10
○ 2026-04-15 02:58:18
○NSdns5.iidns.com2015-06-17 → 2016-04-10 · 4 obs
● 2016-04-10 11:59:36
○ 2026-03-30 12:55:10
○ 2026-04-15 02:58:18
○NSdns6.iidns.com2015-06-17 → 2016-04-10 · 4 obs
● 2016-04-10 11:59:36
○ 2026-03-30 12:55:10
○ 2026-04-15 02:58:18
○A198.148.92.1572016-01-15 → 2016-01-15 · 4 obs
● 2016-01-15 19:04:04
○ 2026-03-30 12:55:10
○ 2026-04-15 02:58:18
○A198.148.92.1582016-01-15 → 2016-01-15 · 4 obs
● 2016-01-15 19:04:04
○ 2026-03-30 12:55:10
○ 2026-04-15 02:58:18
○A198.148.92.532015-06-17 → 2015-06-17 · 3 obs
○ 2017-07-06 16:25:30
○ 2026-04-15 02:58:18
○A198.148.92.542016-01-15 → 2016-01-15 · 4 obs
● 2016-01-15 19:04:04
○ 2026-03-30 12:55:10
○ 2026-04-15 02:58:18
○A198.148.92.562015-06-17 → 2015-06-17 · 3 obs
○ 2017-07-06 16:25:30
○ 2026-04-15 02:58:18
○A198.148.92.582015-06-17 → 2016-01-15 · 4 obs
● 2016-01-15 19:04:04
○ 2017-07-06 16:25:30
○ 2026-04-15 02:58:18
○A198.148.92.622015-06-17 → 2015-06-17 · 3 obs
○ 2017-07-06 16:25:30
○ 2026-04-15 02:58:18
●A38.14.45.1422026-03-30 → 2026-04-15 · 3 obs
● 2026-03-30 12:55:10
● 2026-04-15 02:58:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | b.dns.cn, a.dns.cn, e.dns.cn, c.dns.cn... | - |
| 21778.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 21778.cn (unsigned zone)
⏱️ Timing
Total: 4276ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 38.14.45.142 |
| NS | 2 | dm1.longmingdns.com, dm2.longmingdns.com |
| SOA | 1 | dm1.longmingdns.com dnsadmin.longmingdns |
Analysis
IP Addresses
21778.cn resolves to one IP number: 38.14.45.142.
Other host names, for example momosl.cn, share IP numbers with 21778.cn.
Name Servers
21778.cn's delegation uses two name servers: dm1.longmingdns.com and dm2.longmingdns.com.
21778.cn uses the same name server setup as other domains, such as phflh.cn, age06.cn, 82331186.cn, by713.com and hmaa.com.cn.
21778.cn at least partially shares name servers with other domains, for example nbphvc.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.