a21418.cn - robtex.com
a21418.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 154.84.49.77🇺🇸 AS400619154.84.48.0/21 Fastmos Co Limited | ||||||
| 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=1770359947 | ||||||
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=2034779793 | ||||||
Subdomains
www.a21418.cn |
Same first word
a21418.cn |
DNS History
3 records (3 active, 0 former)
●NSdm1.longmingdns.com2026-03-24 → 2026-05-11 · 2 obs
● 2026-05-11 19:50:16
●NSdm2.longmingdns.com2026-03-24 → 2026-05-11 · 2 obs
● 2026-05-11 19:50:16
●A154.84.49.772026-03-24 → 2026-05-11 · 2 obs
● 2026-05-11 19:50:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | c.dns.cn, d.dns.cn, e.dns.cn, a.dns.cn... | - |
| a21418.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 a21418.cn (unsigned zone)
⏱️ Timing
Total: 1805ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 154.84.49.77 |
| NS | 2 | dm1.longmingdns.com, dm2.longmingdns.com |
| SOA | 1 | dm1.longmingdns.com dnsadmin.longmingdns |
Analysis
Hierarchy
a21418.cn is parent of www.a21418.cn.
IP Addresses
a21418.cn points to a single IP: 154.84.49.77.
Other host names, for instance www.heroxi.cn, heroxi.cn and www.a21418.cn share IP numbers with a21418.cn.
Name Servers
a21418.cn's delegation is to two name servers dm1.longmingdns.com and dm2.longmingdns.com.
a21418.cn shares the same name server configuration as other domains, such as iiogoo.cn, ignighter.cn, watercl.cn, soprod.net and shaizp.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.