3c4.cn - robtex.com
3c4.cn
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=2034774261 | ||||||
Same first word
Similar names
DNS History
3 records (3 active, 0 former)
●NSdns17.hichina.com2026-04-01 → 2026-05-10 · 2 obs
● 2026-05-10 12:06:20
●NSdns18.hichina.com2026-04-01 → 2026-05-10 · 2 obs
● 2026-05-10 12:06:20
●A156.238.240.452026-04-01 → 2026-05-10 · 2 obs
● 2026-05-10 12:06:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | b.dns.cn, d.dns.cn, a.dns.cn, e.dns.cn... | - |
| 3c4.cn | dns17.hichina.com, dns18.hichina.com | - |
✅ Authoritative Response
Server:139.224.142.100
NS records: dns17.hichina.com, dns18.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 3c4.cn (unsigned zone)
⏱️ Timing
Total: 4477ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 156.238.240.45 |
| NS | 2 | dns17.hichina.com, dns18.hichina.com |
| SOA | 1 | dns17.hichina.com hostmaster.hichina.com |
Analysis
IP Addresses
3c4.cn points to a single IP address: 156.238.240.45.
Other host names such as dk39.cn, iufs.cn, u9p.cn and w-0.cn share IP numbers with 3c4.cn.
Name Servers
Two name servers dns17.hichina.com and dns18.hichina.com handle the delegation for 3c4.cn.
3c4.cn shares the same name server setup as other domains, for example zc0086.com, jinhu.gov.cn, hytjp.com, king-wear.top and obachem.com.
3c4.cn at least partially shares name servers with other domains, for example menlei.cn, ano.cn, hxnotes.com, piko.net and p6zr.xyz.
These name servers are often used together with expirens3.hichina.com and expirens4.hichina.com.
Host names with nine IP numbers: dns17.hichina.com points to: 2408:4009:501::25, 39.96.153.40, 39.96.153.60, 47.118.199.200, 47.118.199.220, 120.76.107.40, 120.76.107.60, 139.224.142.100 and 139.224.142.110; dns18.hichina.com points to: 2408:4009:501::26, 39.96.153.38, 39.96.153.61, 47.118.199.198, 47.118.199.222, 120.76.107.38, 120.76.107.61, 139.224.142.98 and 139.224.142.108.