a3821.cn - robtex.com
a3821.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 191.214.86.203🇧🇷 UNSPECIFIED160.0.0.0/3 | ||||||
| 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=1774449534 | ||||||
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=2034772424 | ||||||
Same first word
a3821.cn |
Similar names
DNS History
3 records (3 active, 0 former)
●NSdm1.longmingdns.com2026-04-01 → 2026-05-09 · 2 obs
● 2026-04-01 11:25:58
● 2026-05-09 23:59:30
● 2026-05-09 23:59:30
●NSdm2.longmingdns.com2026-04-01 → 2026-05-09 · 2 obs
● 2026-04-01 11:25:58
● 2026-05-09 23:59:30
● 2026-05-09 23:59:30
●A191.214.86.2032026-04-01 → 2026-05-09 · 2 obs
● 2026-04-01 11:25:58
● 2026-05-09 23:59:30
● 2026-05-09 23:59:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | c.dns.cn, d.dns.cn, e.dns.cn, a.dns.cn... | - |
| a3821.cn | dm1.longmingdns.com, dm2.longmingdns.com | - |
✅ Authoritative Response
Server:183.253.57.197
NS records: dm1.longmingdns.com, dm2.longmingdns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for a3821.cn (unsigned zone)
⏱️ Timing
Total: 4674ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 191.214.86.203 |
| NS | 2 | dm1.longmingdns.com, dm2.longmingdns.com |
| SOA | 1 | dm1.longmingdns.com dnsadmin.longmingdns |
Analysis
IP Addresses
a3821.cn resolves to one IP number: 191.214.86.203.
Other host names such as dy7744.cn and komputer.cn share IP numbers with a3821.cn.
Name Servers
a3821.cn is delegated to two name servers dm1.longmingdns.com and dm2.longmingdns.com.
a3821.cn shares the same name server setup as other domains, for instance xm-air.cn, 007kj.com.cn, mfshu8.cn, shaosa.cn and vbrep06.cn.
Two IP numbers for a host: dm2.longmingdns.com points to 183.253.57.197 and 211.99.99.56.
One IP number for a host: dm1.longmingdns.com points to 218.98.111.163.