ws20.cn - robtex.com
ws20.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 177.210.100.235🇧🇷 UNSPECIFIED160.0.0.0/3 | ||||||
| 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=1774610385 | ||||||
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=2034612857 | ||||||
Same first word
Similar names
sw02.com |
w20s.com |
02sw.com |
sw20.co.uk |
sw02.sakura.ne.jp |
ws02.com |
20ws.london |
02ws.co.il |
02ws.com |
sw20.com |
ws02.jp |
2w0s.com |
02sw.net |
DNS History
7 records (3 active, 4 former)
●NSdm1.longmingdns.com2026-03-25 → 2026-03-30 · 3 obs
○ 2016-09-24 21:20:32
● 2026-03-25 23:20:04
● 2026-03-30 18:18:46
● 2026-03-25 23:20:04
● 2026-03-30 18:18:46
●NSdm2.longmingdns.com2026-03-25 → 2026-03-30 · 3 obs
○ 2016-09-24 21:20:32
● 2026-03-25 23:20:04
● 2026-03-30 18:18:46
● 2026-03-25 23:20:04
● 2026-03-30 18:18:46
○NSf1g1ns1.dnspod.net2016-09-24 → 2016-09-24 · 3 obs
● 2016-09-24 21:20:32
○ 2026-03-25 23:20:04
○ 2026-03-30 18:18:46
○ 2026-03-25 23:20:04
○ 2026-03-30 18:18:46
○NSf1g1ns2.dnspod.net2016-09-24 → 2016-09-24 · 3 obs
● 2016-09-24 21:20:32
○ 2026-03-25 23:20:04
○ 2026-03-30 18:18:46
○ 2026-03-25 23:20:04
○ 2026-03-30 18:18:46
●A177.210.100.2352026-03-30 → 2026-03-30 · 3 obs
○ 2026-03-25 23:20:04
● 2026-03-30 18:18:42
● 2026-03-30 18:18:46
● 2026-03-30 18:18:42
● 2026-03-30 18:18:46
○A191.214.173.132026-03-25 → 2026-03-25 · 4 obs
○ 2016-09-24 21:20:32
● 2026-03-25 23:20:04
○ 2026-03-30 18:18:42
○ 2026-03-30 18:18:46
● 2026-03-25 23:20:04
○ 2026-03-30 18:18:42
○ 2026-03-30 18:18:46
○A23.238.176.2332016-09-24 → 2016-09-24 · 3 obs
● 2016-09-24 21:20:32
○ 2026-03-25 23:20:04
○ 2026-03-30 18:18:46
○ 2026-03-25 23:20:04
○ 2026-03-30 18:18:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| ws20.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 ws20.cn (unsigned zone)
⏱️ Timing
Total: 1606ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 177.210.100.235 |
| NS | 2 | dm1.longmingdns.com, dm2.longmingdns.com |
| SOA | 1 | dm1.longmingdns.com dnsadmin.longmingdns |
Analysis
IP Addresses
ws20.cn resolves to one IP number: 177.210.100.235.
Name Servers
ws20.cn's delegation uses two name servers: dm1.longmingdns.com and dm2.longmingdns.com.
ws20.cn uses the same name server setup as other domains, such as 49420.cn, dikes.com.cn, xf-sy.cn, ztle.cn and zghxyjt.cn.
Host names with two IP numbers: dm2.longmingdns.com points to 183.253.57.197 and 211.99.99.56.
Host names with one IP number: dm1.longmingdns.com points to 218.98.111.163.