uc42.cn - robtex.com
uc42.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 172.80.90.52🇺🇸 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=1772557479 | ||||||
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=2034591106 | ||||||
Subdomains
www.uc42.cn |
Same first word
Similar names
DNS History
9 records (3 active, 6 former)
●NSdm1.longmingdns.com2026-03-16 → 2026-03-27 · 3 obs
○ 2020-01-05 16:36:46
● 2026-03-16 08:52:02
● 2026-03-27 00:36:42
● 2026-03-16 08:52:02
● 2026-03-27 00:36:42
●NSdm2.longmingdns.com2026-03-16 → 2026-03-27 · 3 obs
○ 2020-01-05 16:36:46
● 2026-03-16 08:52:02
● 2026-03-27 00:36:42
● 2026-03-16 08:52:02
● 2026-03-27 00:36:42
○NSdns17.hichina.com2020-01-05 → 2020-01-05 · 4 obs
○ 2016-07-09 19:51:48
● 2020-01-05 16:36:46
○ 2026-03-16 08:52:02
○ 2026-03-27 00:36:42
● 2020-01-05 16:36:46
○ 2026-03-16 08:52:02
○ 2026-03-27 00:36:42
○NSdns18.hichina.com2020-01-05 → 2020-01-05 · 4 obs
○ 2016-07-09 19:51:48
● 2020-01-05 16:36:46
○ 2026-03-16 08:52:02
○ 2026-03-27 00:36:42
● 2020-01-05 16:36:46
○ 2026-03-16 08:52:02
○ 2026-03-27 00:36:42
○NSns1.51dns.com2015-08-06 → 2016-07-09 · 4 obs
● 2015-08-06 01:05:44
● 2016-07-09 19:51:48
○ 2020-01-05 16:36:46
○ 2026-03-27 00:36:42
● 2016-07-09 19:51:48
○ 2020-01-05 16:36:46
○ 2026-03-27 00:36:42
○NSns2.51dns.com2016-03-04 → 2016-07-09 · 5 obs
○ 2015-08-06 01:05:44
● 2016-03-04 07:13:50
● 2016-07-09 19:51:48
○ 2020-01-05 16:36:46
○ 2026-03-27 00:36:42
● 2016-03-04 07:13:50
● 2016-07-09 19:51:48
○ 2020-01-05 16:36:46
○ 2026-03-27 00:36:42
○A137.175.22.1342016-07-09 → 2016-07-09 · 4 obs
○ 2016-03-04 07:13:50
● 2016-07-09 19:51:48
○ 2020-01-05 16:36:46
○ 2026-03-27 00:36:42
● 2016-07-09 19:51:48
○ 2020-01-05 16:36:46
○ 2026-03-27 00:36:42
●A172.80.90.522026-03-16 → 2026-03-27 · 3 obs
○ 2020-01-05 16:36:46
● 2026-03-16 08:52:02
● 2026-03-27 00:36:42
● 2026-03-16 08:52:02
● 2026-03-27 00:36:42
○A198.15.128.2272015-08-06 → 2016-03-04 · 4 obs
● 2015-08-06 01:05:44
● 2016-03-04 07:13:50
○ 2016-07-09 19:51:48
○ 2026-03-27 00:36:42
● 2016-03-04 07:13:50
○ 2016-07-09 19:51:48
○ 2026-03-27 00:36:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, c.dns.cn, e.dns.cn, d.dns.cn... | - |
| uc42.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 uc42.cn (unsigned zone)
⏱️ Timing
Total: 1950ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 172.80.90.52 |
| NS | 2 | dm1.longmingdns.com, dm2.longmingdns.com |
| SOA | 1 | dm1.longmingdns.com dnsadmin.longmingdns |
Analysis
Hierarchy
uc42.cn is the parent of www.uc42.cn.
IP Addresses
uc42.cn resolves to one IP number: 172.80.90.52.
Other host names, for instance www.uc42.cn, share IP numbers with uc42.cn.
Name Servers
uc42.cn is delegated to two name servers dm1.longmingdns.com and dm2.longmingdns.com.
uc42.cn shares the same name server setup as other domains, for instance aikuerle.cn, fujiyusoki.com.cn, yishutuliao.cn, szuxp.com and tooye.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.