51-scan.com - robtex.com
51-scan.com
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1771291435 | ||||||
DNS History
5 records (5 active, 0 former)
●NSdns13.hichina.com2017-09-09 → 2026-03-17 · 2 obs
● 2026-03-17 23:43:56
●NSdns14.hichina.com2017-09-09 → 2026-03-17 · 2 obs
● 2026-03-17 23:43:56
●MXmxn.mxhichina.com2017-09-09 → 2026-03-17 · 2 obs
● 2026-03-17 23:43:56
●MXmxw.mxhichina.com2017-09-09 → 2026-03-17 · 2 obs
● 2026-03-17 23:43:56
●A101.37.128.1482026-03-17 → 2026-03-17 · 2 obs
● 2026-03-17 23:43:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 51-scan.com | dns13.hichina.com, dns14.hichina.com | 18 records |
✅ Authoritative Response
Server: 120.76.107.42
NS records: dns13.hichina.com, dns14.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 51-scan.com (unsigned zone)
⏱️ Timing
Total: 514ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 101.37.128.148 |
| NS | 2 | dns13.hichina.com, dns14.hichina.com |
| MX | 2 | mxw.mxhichina.com (pri: 10), mxn.mxhichina.com (pri: 5) |
| TXT | 1 | v=spf1 include:spf.mxhichina.com -all |
| SOA | 1 | dns13.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns13.hichina.com, dns13.hichina.com, dns13.hichina.com...)
Analysis
IP Addresses
51-scan.com resolves to one IP number: 101.37.128.148.
other host names including dgeva.cn, treeing.net, tieus.net, tigifelt.com and kngroups.com share IP numbers with 51-scan.com.
Name Servers
51-scan.com is delegated to two name servers dns13.hichina.com and dns14.hichina.com.
51-scan.com shares the same name server setup as other domains, for instance ballzb.com, kabozi.cn, beiqijituan.com, kenrod.cn and 3etimes.com.
Host names with nine IP numbers:
dns13.hichina.com points to: 2408:4009:501::21, 39.96.153.42, 39.96.153.52, 47.118.199.202, 47.118.199.212, 120.76.107.42, 120.76.107.52, 139.224.142.112 and 139.224.142.122.
dns14.hichina.com points to: 2408:4009:501::22, 39.96.153.41, 39.96.153.51, 47.118.199.201, 47.118.199.211, 120.76.107.41, 120.76.107.51, 139.224.142.111 and 139.224.142.121.
Mail Servers
Two mail servers handle 51-scan.com: mxn.mxhichina.com and mxw.mxhichina.com.
51-scan.com shares the same mail server setup as other domains, for instance dangjianapp.com, cnhuiwen.com, aceraytech.com, wcnopto.net and smalltenma.com.
51-scan.com shares some mail servers with other domains, at least partially, for instance clatia.com, microproe.com, johopower.com, fb-lighting.com and hongdibaobei.com.
these mail servers are often used alongside mx1.qiye.aliyun.com, mx2.qiye.aliyun.com and mx3.qiye.aliyun.com.
Two IP numbers for a host: mxn.mxhichina.com points to 47.246.136.231 and 47.246.137.47.
One IP number for a host: mxw.mxhichina.com points to 47.246.99.195.