u407.cn - robtex.com
u407.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 172.80.70.187🇺🇸 ESITED-1172.80.0.0/17 ARIN direct allocation | ||||||
| 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=1751342907 | ||||||
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=2034660274 | ||||||
Same first word
Similar names
DNS History
6 records (3 active, 3 former)
●NSdm1.longmingdns.com2026-03-21 → 2026-04-11 · 3 obs
○ 2020-03-14 22:41:24
● 2026-03-21 09:53:36
● 2026-04-11 22:21:24
● 2026-03-21 09:53:36
● 2026-04-11 22:21:24
●NSdm2.longmingdns.com2026-03-21 → 2026-04-11 · 3 obs
○ 2020-03-14 22:41:24
● 2026-03-21 09:53:36
● 2026-04-11 22:21:24
● 2026-03-21 09:53:36
● 2026-04-11 22:21:24
○NSjm1.dns.com2020-03-14 → 2020-03-14 · 3 obs
● 2020-03-14 22:41:24
○ 2026-03-21 09:53:36
○ 2026-04-11 22:21:24
○ 2026-03-21 09:53:36
○ 2026-04-11 22:21:24
○NSjm2.dns.com2020-03-14 → 2020-03-14 · 3 obs
● 2020-03-14 22:41:24
○ 2026-03-21 09:53:36
○ 2026-04-11 22:21:24
○ 2026-03-21 09:53:36
○ 2026-04-11 22:21:24
○A155.159.184.1862020-03-14 → 2020-03-14 · 3 obs
● 2020-03-14 22:41:24
○ 2026-03-21 09:53:36
○ 2026-04-11 22:21:24
○ 2026-03-21 09:53:36
○ 2026-04-11 22:21:24
●A172.80.70.1872026-03-21 → 2026-04-11 · 3 obs
○ 2020-03-14 22:41:24
● 2026-03-21 09:53:36
● 2026-04-11 22:21:24
● 2026-03-21 09:53:36
● 2026-04-11 22:21:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| u407.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 u407.cn (unsigned zone)
⏱️ Timing
Total: 1450ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 172.80.70.187 |
| NS | 2 | dm1.longmingdns.com, dm2.longmingdns.com |
| SOA | 1 | dm1.longmingdns.com dnsadmin.longmingdns |
Analysis
IP Addresses
u407.cn points to a single IP: 172.80.70.187.
Name Servers
Two name servers dm1.longmingdns.com and dm2.longmingdns.com handle delegation for u407.cn.
u407.cn uses the same name server setup as other domains, for example tlbxg.com.cn, cpht.cn, tguzm.cn, zenovo.com.cn and keystonefund.com.cn.
Host names with two IP numbers:
The host name dm2.longmingdns.com points to 183.253.57.197 and 211.99.99.56.
Host names with one IP number:
The host name dm1.longmingdns.com points to 218.98.111.163.