a850.cn - robtex.com
a850.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 45.204.226.29🇭🇰 OWGELS-AS-AP45.204.226.0/24 | ||||||
| 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=1763022485 | ||||||
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=2034626637 | ||||||
Same first word
a850.cn |
Similar names
DNS History
6 records (3 active, 3 former)
●NSdm1.longmingdns.com2026-03-14 → 2026-04-02 · 3 obs
○ 2016-12-04 10:10:36
● 2026-03-14 03:19:30
● 2026-04-02 23:09:02
● 2026-03-14 03:19:30
● 2026-04-02 23:09:02
●NSdm2.longmingdns.com2026-03-14 → 2026-04-02 · 3 obs
○ 2016-12-04 10:10:36
● 2026-03-14 03:19:30
● 2026-04-02 23:09:02
● 2026-03-14 03:19:30
● 2026-04-02 23:09:02
○NSns1.51dns.com2016-01-21 → 2016-04-17 · 4 obs
● 2016-01-21 08:09:10
● 2016-04-17 23:56:24
○ 2016-12-04 10:10:36
○ 2026-04-02 23:09:02
● 2016-04-17 23:56:24
○ 2016-12-04 10:10:36
○ 2026-04-02 23:09:02
○NSns2.51dns.com2016-01-21 → 2016-04-17 · 4 obs
● 2016-01-21 08:09:10
● 2016-04-17 23:56:24
○ 2016-12-04 10:10:36
○ 2026-04-02 23:09:02
● 2016-04-17 23:56:24
○ 2016-12-04 10:10:36
○ 2026-04-02 23:09:02
○A108.186.254.82016-01-21 → 2016-04-17 · 4 obs
● 2016-01-21 08:09:10
● 2016-04-17 23:56:24
○ 2016-12-04 10:10:36
○ 2026-04-02 23:09:02
● 2016-04-17 23:56:24
○ 2016-12-04 10:10:36
○ 2026-04-02 23:09:02
●A45.204.226.292026-03-14 → 2026-04-02 · 3 obs
○ 2016-12-04 10:10:36
● 2026-03-14 03:19:30
● 2026-04-02 23:09:02
● 2026-03-14 03:19:30
● 2026-04-02 23:09:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| a850.cn | dm1.longmingdns.com, dm2.longmingdns.com | - |
✅ Authoritative Response
Server:218.98.111.163
NS records: dm1.longmingdns.com, dm2.longmingdns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for a850.cn (unsigned zone)
⏱️ Timing
Total: 1891ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 45.204.226.29 |
| NS | 2 | dm1.longmingdns.com, dm2.longmingdns.com |
| SOA | 1 | dm1.longmingdns.com dnsadmin.longmingdns |
Analysis
IP Addresses
a850.cn resolves to a single IP address: 45.204.226.29.
Name Servers
a850.cn's delegation uses two name servers, dm1.longmingdns.com and dm2.longmingdns.com.
a850.cn shares the same name server setup as other domains, for example itcerthome.com.cn, bllae.cn, fxns.com.cn, haoyiqu.cn and szwanlong.com.cn.
a850.cn at least partially shares name servers with other domains; for instance wo10010.com.
Hosts with two IPs:
dm2.longmingdns.com points to 183.253.57.197 and 211.99.99.56.
Hosts with one IP:
dm1.longmingdns.com points to 218.98.111.163.