3free.cn - robtex.com
3free.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 45.194.250.171🇭🇰 HDHK45.194.248.0/21 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 | ||||||
| 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=1775131841 | ||||||
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=2034879576 | ||||||
Same first word
Similar names
DNS History
9 records (3 active, 6 former)
●NSdm1.longmingdns.com2026-04-11 → 2026-06-04 · 3 obs
● 2026-04-11 03:26:40
● 2026-06-04 18:13:10
●NSdm2.longmingdns.com2026-04-11 → 2026-06-04 · 3 obs
● 2026-04-11 03:26:40
● 2026-06-04 18:13:10
○NSdns1.everdns.com2015-05-31 → 2018-06-29 · 4 obs
● 2018-06-29 06:50:48
○ 2026-04-11 03:26:40
○ 2026-06-04 18:13:10
○NSdns2.everdns.com2015-05-31 → 2016-07-14 · 4 obs
● 2016-07-14 08:57:36
○ 2026-04-11 03:26:40
○ 2026-06-04 18:13:10
○A103.235.101.612015-05-31 → 2016-01-15 · 4 obs
● 2016-01-15 00:54:56
○ 2016-07-14 08:57:36
○ 2026-06-04 18:13:10
○A38.239.143.1202026-04-11 → 2026-06-04 · 2 obs
○ 2026-06-04 18:13:10
●A45.194.250.1712026-04-11 → 2026-06-04 · 3 obs
● 2026-04-11 03:26:40
● 2026-06-04 18:13:10
○A47.89.49.222016-07-14 → 2016-07-14 · 4 obs
● 2016-07-14 08:57:36
○ 2018-06-29 06:50:48
○ 2026-06-04 18:13:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
| 3free.cn | dm1.longmingdns.com, dm2.longmingdns.com | - |
✅ Authoritative Response
Server:218.98.111.163
NS records: dm1.longmingdns.com, dm2.longmingdns.com
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at 3free.cn: Error: DNS query timeout: 203.119.29.1 for DS 3free.cn
⏱️ Timing
Total: 4518ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 45.194.250.171 |
| NS | 2 | dm1.longmingdns.com, dm2.longmingdns.com |
| SOA | 1 | dm1.longmingdns.com dnsadmin.longmingdns |
Analysis
IP Addresses
3free.cn resolves to one IP address: 45.194.250.171.
Additional host names — including 3laizt.cn and xinglongxian.cn — share IP numbers with 3free.cn.
Name Servers
The NS records for 3free.cn delegate to dm1.longmingdns.com and dm2.longmingdns.com.
3free.cn uses the same name servers as several other domains — among them fytz.com.cn, 68dk.cn, dengliushan.cn and two more.
Hostnames that resolve to two IP addresses:
The A records for dm2.longmingdns.com return 183.253.57.197 and 211.99.99.56.
Host names with one IP number:
dm1.longmingdns.com resolves to the IP address 218.98.111.163.