davidwu.cn - robtex.com
davidwu.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 156.253.37.146🇿🇦 OWGELS-AS-AP156.253.32.0/20 AresIDC Limited | ||||||
| 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 | ||||||
| PTR | 11.128.158.61.ha.cnc | ||||||
| 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 Proxy-registered route object | ||||||
| SOA | ns1.nowcndns.comadmin@nowcndns.com serial=1773139206 | ||||||
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=2034588450 | ||||||
Same first word
Similar names
DNS History
8 records (3 active, 5 former)
○NSns1.22.cn2015-06-01 → 2017-08-17 · 3 obs
● 2015-06-01 00:28:24
● 2017-08-17 19:05:58
○ 2026-03-26 06:31:16
● 2017-08-17 19:05:58
○ 2026-03-26 06:31:16
●NSns1.nowcndns.com2026-03-26 → 2026-03-26 · 2 obs
○ 2017-08-17 19:05:58
● 2026-03-26 06:31:16
● 2026-03-26 06:31:16
○NSns2.22.cn2015-10-22 → 2015-10-22 · 4 obs
○ 2015-06-01 00:28:24
● 2015-10-22 05:19:52
○ 2017-08-17 19:05:58
○ 2026-03-26 06:31:16
● 2015-10-22 05:19:52
○ 2017-08-17 19:05:58
○ 2026-03-26 06:31:16
●NSns2.nowcndns.com2026-03-26 → 2026-03-26 · 2 obs
○ 2017-08-17 19:05:58
● 2026-03-26 06:31:16
● 2026-03-26 06:31:16
○NSns3.22.cn2015-10-22 → 2015-10-22 · 4 obs
○ 2015-06-01 00:28:24
● 2015-10-22 05:19:52
○ 2017-08-17 19:05:58
○ 2026-03-26 06:31:16
● 2015-10-22 05:19:52
○ 2017-08-17 19:05:58
○ 2026-03-26 06:31:16
○NSns4.22.cn2015-10-22 → 2015-10-22 · 4 obs
○ 2015-06-01 00:28:24
● 2015-10-22 05:19:52
○ 2017-08-17 19:05:58
○ 2026-03-26 06:31:16
● 2015-10-22 05:19:52
○ 2017-08-17 19:05:58
○ 2026-03-26 06:31:16
●A156.253.37.1462026-03-26 → 2026-03-26 · 1 obs
● 2026-03-26 06:31:16
○A156.253.45.1122026-03-26 → 2026-03-26 · 1 obs
○ 2026-03-26 06:31:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| davidwu.cn | ns1.nowcndns.com, ns2.nowcndns.com | - |
✅ Authoritative Response
Server:183.253.57.202
NS records: ns1.nowcndns.com, ns2.nowcndns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for davidwu.cn (unsigned zone)
⏱️ Timing
Total: 1291ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 156.253.37.146 |
| NS | 2 | ns1.nowcndns.com, ns2.nowcndns.com |
| SOA | 1 | ns1.nowcndns.com admin.nowcndns.com |
Analysis
IP Addresses
davidwu.cn points to a single IP address: 156.253.37.146.
Other host names, for instance jcaed.cn, share IP numbers with davidwu.cn.
Name Servers
davidwu.cn is delegated to two name servers: ns1.nowcndns.com and ns2.nowcndns.com.
davidwu.cn uses the same name server setup as other domains, including aimerfashion.com.cn, antiad.cn, breddy.cn, xinjinye.com.cn and bcigc.cn.
Host names with three IP numbers:
ns1.nowcndns.com points to 1.193.216.204, 218.98.111.129 and 218.98.111.138; ns2.nowcndns.com points to 61.158.128.11, 183.253.57.202 and 211.99.99.38.