techfree.cn - robtex.com
techfree.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 45.203.80.59🇭🇰 HDHK45.203.64.0/19 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=1773148969 | ||||||
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=2034582919 | ||||||
Same first word
Similar names
DNS History
4 records (3 active, 1 former)
●NSdm1.longmingdns.com2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 19:42:28
● 2026-03-24 19:42:30
● 2026-03-24 19:42:30
●NSdm2.longmingdns.com2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 19:42:28
● 2026-03-24 19:42:30
● 2026-03-24 19:42:30
○A154.219.179.1872026-03-24 → 2026-03-24 · 2 obs
○ 2026-03-24 19:42:28
○ 2026-03-24 19:42:30
○ 2026-03-24 19:42:30
●A45.203.80.592026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 19:42:28
● 2026-03-24 19:42:30
● 2026-03-24 19:42:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| techfree.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 techfree.cn (unsigned zone)
⏱️ Timing
Total: 1698ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 45.203.80.59 |
| NS | 2 | dm1.longmingdns.com, dm2.longmingdns.com |
| SOA | 1 | dm1.longmingdns.com dnsadmin.longmingdns |
Analysis
IP Addresses
techfree.cn points to a single IP address: 45.203.80.59.
Other host names, for instance saolou.com.cn, share IP numbers with techfree.cn.
Name Servers
techfree.cn is delegated to two name servers: dm1.longmingdns.com and dm2.longmingdns.com.
techfree.cn uses the same name server setup as other domains, including uug.net.cn, xwyna.cn, lrtarazjiw.cn, maqunter2033.cn and yiruicj.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.