uc51.cn - robtex.com
uc51.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 38.173.246.89🇺🇸 AS39847838.173.224.0/19 PEG TECH INC | ||||||
| NS | ns1.nowcndns.com ⭐ | ||||||
| A | 1.193.216.204🇨🇳 CHINANET-Henan-Luoyang-IDC1.193.216.0/24 Chinatelecom HeNan Province Network | ||||||
| A | 218.98.111.129🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 218.98.111.138🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| NS | ns2.nowcndns.com | ||||||
| A | 61.158.128.11🇨🇳 CHINA169-Backbone61.158.128.0/17 CNC Group CHINA169 Henan Province Network | ||||||
| A | 183.253.57.202🇨🇳 CHINAMOBILE-CN183.253.0.0/16 CMI (Customer Route) | ||||||
| A | 211.99.99.38🇨🇳 DONGGUAN-1211.99.99.0/24 | ||||||
| SOA | ns1.nowcndns.comadmin@nowcndns.com serial=1782722564 | ||||||
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=2035189511 | ||||||
Same first word
Similar names
DNS History
12 records (3 active, 9 former)
○NSdm1.longmingdns.com2026-03-04 → 2026-04-24 · 5 obs
● 2026-03-04 04:51:04
● 2026-04-24 18:19:22
○ 2026-06-02 05:06:56
○ 2026-08-17 06:13:32
○NSdm2.longmingdns.com2026-03-04 → 2026-04-24 · 5 obs
● 2026-03-04 04:51:04
● 2026-04-24 18:19:22
○ 2026-06-02 05:06:56
○ 2026-08-17 06:13:32
○NSns1.alidns.com2015-08-17 → 2017-04-03 · 4 obs
● 2017-04-03 12:51:34
○ 2020-02-21 04:54:44
○ 2026-08-17 06:13:32
○NSns1.myhostadmin.net2020-02-21 → 2020-02-21 · 4 obs
● 2020-02-21 04:54:44
○ 2026-03-04 04:51:04
○ 2026-08-17 06:13:32
●NSns1.nowcndns.com2026-06-02 → 2026-08-17 · 3 obs
● 2026-06-02 05:06:56
● 2026-08-17 06:13:32
○NSns2.alidns.com2015-08-17 → 2017-04-03 · 4 obs
● 2017-04-03 12:51:34
○ 2026-03-04 04:51:04
○ 2026-08-17 06:13:32
●NSns2.nowcndns.com2026-06-02 → 2026-08-17 · 3 obs
● 2026-06-02 05:06:56
● 2026-08-17 06:13:32
○A104.232.101.2112026-03-04 → 2026-04-24 · 5 obs
● 2026-03-04 04:51:04
● 2026-04-24 18:19:22
○ 2026-06-02 05:06:56
○ 2026-08-17 06:13:32
○A124.16.31.1522015-08-17 → 2017-04-03 · 4 obs
● 2017-04-03 12:51:34
○ 2020-02-21 04:54:44
○ 2026-08-17 06:13:32
○A185.183.87.1022020-02-21 → 2020-02-21 · 4 obs
● 2020-02-21 04:54:44
○ 2026-03-04 04:51:04
○ 2026-08-17 06:13:32
○A38.173.228.942026-06-28 → 2026-06-28 · 3 obs
● 2026-06-28 20:27:22
○ 2026-08-17 06:13:32
●A38.173.246.892026-08-17 → 2026-08-17 · 2 obs
● 2026-08-17 06:13:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| uc51.cn | ns1.nowcndns.com, ns2.nowcndns.com | - |
✅ Authoritative Response
Server:211.99.99.38
NS records: ns1.nowcndns.com, ns2.nowcndns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for uc51.cn (unsigned zone)
⏱️ Timing
Total: 3850ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 38.173.246.89 |
| NS | 2 | ns1.nowcndns.com, ns2.nowcndns.com |
| SOA | 1 | ns1.nowcndns.com admin.nowcndns.com |
Analysis
IP Addresses
uc51.cn directs to one IP number, which is 38.173.246.89.
Among the host names that share IP numbers with uc51.cn are fjjrlkb.cn, exchange.9stars.com.cn, hfljy.cn and two others.
Name Servers
uc51.cn has two authoritative name servers — ns1.nowcndns.com and ns2.nowcndns.com.
uc51.cn has the same name server delegation as a number of other domains, such as cdhygs.cn, tsyinyu.com.cn, 86260888.cn and two more.
ns1.nowcndns.com and ns2.nowcndns.com each have three IP addresses — ns1.nowcndns.com directs to 1.193.216.204, 218.98.111.129 and 218.98.111.138; ns2.nowcndns.com directs to 61.158.128.11, 183.253.57.202 and 211.99.99.38.