51nets.cn - robtex.com
51nets.cn
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
51nets.cn |
Similar names
DNS History
7 records (3 active, 4 former)
●NSdns7.hichina.com2026-03-08 → 2026-03-23 · 3 obs
● 2026-03-08 06:18:14
● 2026-03-23 10:57:44
●NSdns8.hichina.com2026-03-08 → 2026-03-23 · 3 obs
● 2026-03-08 06:18:14
● 2026-03-23 10:57:44
○NSns1.linktom.net2016-04-19 → 2017-01-02 · 4 obs
● 2017-01-02 13:41:02
○ 2026-03-08 06:18:14
○ 2026-03-23 10:57:44
○NSns2.linktom.net2016-04-19 → 2017-01-02 · 4 obs
● 2017-01-02 13:41:02
○ 2026-03-08 06:18:14
○ 2026-03-23 10:57:44
○MXmail.51nets.cn2016-04-19 → 2017-01-02 · 4 obs
● 2017-01-02 13:41:02
○ 2026-03-08 06:18:14
○ 2026-03-23 10:57:44
○A150.242.234.302017-01-02 → 2017-01-02 · 3 obs
○ 2026-03-08 06:18:14
○ 2026-03-23 10:57:44
●A154.85.48.2222026-03-08 → 2026-03-23 · 3 obs
● 2026-03-08 06:18:14
● 2026-03-23 10:57:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| 51nets.cn | dns7.hichina.com, dns8.hichina.com | - |
✅ Authoritative Response
Server:139.224.142.124
NS records: dns7.hichina.com, dns8.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 51nets.cn (unsigned zone)
⏱️ Timing
Total: 4213ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 154.85.48.222 |
| NS | 2 | dns7.hichina.com, dns8.hichina.com |
| SOA | 1 | dns7.hichina.com hostmaster.hichina.com |
Analysis
IP Addresses
51nets.cn resolves to one IP number: 154.85.48.222.
Other host names, for instance china2091.com, china2078.com, china515.com, china2071.com and www.china515.com share IP numbers with 51nets.cn.
Name Servers
51nets.cn's delegation uses two name servers: dns7.hichina.com and dns8.hichina.com.
51nets.cn uses the same name server setup as other domains, such as lujiezhang.com, hotelline.com.cn, rkkg.cn, taxlaw.net.cn and jianzhangongsi.com.
51nets.cn at least partially shares name servers with other domains, including ucce.net.cn, abomon.com, e-livex.com, meserp.com and xn--fiqt74ee6gqz6a.cn.
These name servers are often used with expirens3.hichina.com and expirens4.hichina.com.
Host names with nine IP numbers: The host name dns7.hichina.com points to 2408:4009:501::15, 39.96.153.43, 39.96.153.63, 47.118.199.203, 47.118.199.213, 120.76.107.43, 120.76.107.63, 139.224.142.113 and 139.224.142.123. The host name dns8.hichina.com points to 2408:4009:501::16, 39.96.153.44, 39.96.153.54, 47.118.199.204, 47.118.199.214, 120.76.107.44, 120.76.107.54, 139.224.142.114 and 139.224.142.124.