20dk.cn - robtex.com
20dk.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 45.203.73.46🇭🇰 HDHK45.203.72.0/21 Proxy-registered route object | ||||||
| NS | dm1.longmingdns.com ⭐ | ||||||
| A | 218.98.111.163🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| PTR | ip-218-98-111-163.defastlink.net | ||||||
| NS | dm2.longmingdns.com | ||||||
| A | 183.253.57.197🇨🇳 CHINAMOBILE-CN183.253.0.0/16 CMI (Customer Route) | ||||||
| PTR | ip-183-253-57-197.defastlink.net | ||||||
| A | 211.99.99.56🇨🇳 DONGGUAN-1211.99.99.0/24 Proxy-registered route object | ||||||
| PTR | ip-211-99-99-56.defastlink.net | ||||||
| SOA | dm1.longmingdns.comdnsadmin@longmingdns.com serial=1773244556 | ||||||
cn
| DNSSEC | ⚠️ Not signed | ||||||
| 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=2034546407 | ||||||
Same first word
20dk.cn |
Similar names
DNS History
13 records (3 active, 10 former)
●NSdm1.longmingdns.com2026-03-24 → 2026-03-24 · 3 obs
○ 2020-01-21 14:04:54
● 2026-03-24 00:54:34
● 2026-03-24 00:54:36
● 2026-03-24 00:54:34
● 2026-03-24 00:54:36
●NSdm2.longmingdns.com2026-03-24 → 2026-03-24 · 3 obs
○ 2020-01-21 14:04:54
● 2026-03-24 00:54:34
● 2026-03-24 00:54:36
● 2026-03-24 00:54:34
● 2026-03-24 00:54:36
○NSdns10.hichina.com2016-07-01 → 2017-02-12 · 4 obs
● 2016-07-01 09:04:46
● 2017-02-12 21:57:02
○ 2020-01-21 14:04:54
○ 2026-03-24 00:54:36
● 2017-02-12 21:57:02
○ 2020-01-21 14:04:54
○ 2026-03-24 00:54:36
○NSdns9.hichina.com2016-07-01 → 2017-02-12 · 4 obs
● 2016-07-01 09:04:46
● 2017-02-12 21:57:02
○ 2020-01-21 14:04:54
○ 2026-03-24 00:54:36
● 2017-02-12 21:57:02
○ 2020-01-21 14:04:54
○ 2026-03-24 00:54:36
○NSns1.myhostadmin.net2020-01-21 → 2020-01-21 · 4 obs
○ 2017-02-12 21:57:02
● 2020-01-21 14:04:54
○ 2026-03-24 00:54:34
○ 2026-03-24 00:54:36
● 2020-01-21 14:04:54
○ 2026-03-24 00:54:34
○ 2026-03-24 00:54:36
○NSns2.myhostadmin.net2020-01-21 → 2020-01-21 · 4 obs
○ 2017-02-12 21:57:02
● 2020-01-21 14:04:54
○ 2026-03-24 00:54:34
○ 2026-03-24 00:54:36
● 2020-01-21 14:04:54
○ 2026-03-24 00:54:34
○ 2026-03-24 00:54:36
○NSns3.myhostadmin.net2020-01-21 → 2020-01-21 · 4 obs
○ 2017-02-12 21:57:02
● 2020-01-21 14:04:54
○ 2026-03-24 00:54:34
○ 2026-03-24 00:54:36
● 2020-01-21 14:04:54
○ 2026-03-24 00:54:34
○ 2026-03-24 00:54:36
○NSns4.myhostadmin.net2020-01-21 → 2020-01-21 · 4 obs
○ 2017-02-12 21:57:02
● 2020-01-21 14:04:54
○ 2026-03-24 00:54:34
○ 2026-03-24 00:54:36
● 2020-01-21 14:04:54
○ 2026-03-24 00:54:34
○ 2026-03-24 00:54:36
○NSns5.myhostadmin.net2020-01-21 → 2020-01-21 · 4 obs
○ 2017-02-12 21:57:02
● 2020-01-21 14:04:54
○ 2026-03-24 00:54:34
○ 2026-03-24 00:54:36
● 2020-01-21 14:04:54
○ 2026-03-24 00:54:34
○ 2026-03-24 00:54:36
○NSns6.myhostadmin.net2020-01-21 → 2020-01-21 · 4 obs
○ 2017-02-12 21:57:02
● 2020-01-21 14:04:54
○ 2026-03-24 00:54:34
○ 2026-03-24 00:54:36
● 2020-01-21 14:04:54
○ 2026-03-24 00:54:34
○ 2026-03-24 00:54:36
○A154.95.241.1742026-03-24 → 2026-03-24 · 2 obs
○ 2026-03-24 00:54:34
○ 2026-03-24 00:54:36
○ 2026-03-24 00:54:36
○A45.114.125.2192020-01-21 → 2020-01-21 · 3 obs
● 2020-01-21 14:04:54
○ 2026-03-24 00:54:34
○ 2026-03-24 00:54:36
○ 2026-03-24 00:54:34
○ 2026-03-24 00:54:36
●A45.203.73.462026-03-24 → 2026-03-24 · 3 obs
○ 2020-01-21 14:04:54
● 2026-03-24 00:54:34
● 2026-03-24 00:54:36
● 2026-03-24 00:54:34
● 2026-03-24 00:54:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | b.dns.cn, a.dns.cn, e.dns.cn, c.dns.cn... | - |
| 20dk.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 20dk.cn (unsigned zone)
⏱️ Timing
Total: 3250ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 45.203.73.46 |
| NS | 2 | dm1.longmingdns.com, dm2.longmingdns.com |
| SOA | 1 | dm1.longmingdns.com dnsadmin.longmingdns |
Analysis
IP Addresses
20dk.cn resolves to a single IP: 45.203.73.46.
Other host names including xanthan.cn, frebon.cn and mb263.cn share IP numbers with 20dk.cn.
Name Servers
20dk.cn has two name servers: dm1.longmingdns.com and dm2.longmingdns.com.
20dk.cn shares the same name server setup as other domains, for example wanersoft.com.cn, roc-print.cn, shen52.cn, caii.jl.cn and ubxu.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.