12306by.com - robtex.com
12306by.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 | ||||||
Same first word
12306by.com |
DNS History
2 records (2 active, 0 former)
●NSdns17.hichina.com2026-03-01 → 2026-03-23 · 2 obs
● 2026-03-23 15:43:42
●NSdns18.hichina.com2026-03-01 → 2026-03-23 · 2 obs
● 2026-03-23 15:43:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 12306by.com | dns17.hichina.com, dns18.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.40
NS records: dns17.hichina.com, dns18.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 12306by.com (unsigned zone)
⏱️ Timing
Total: 564ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns17.hichina.com, dns18.hichina.com |
| SOA | 1 | dns17.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns17.hichina.com, dns17.hichina.com, dns17.hichina.com...)
Analysis
Name Servers
12306by.com is delegated to two name servers: dns17.hichina.com and dns18.hichina.com.
12306by.com uses the same name server setup as other domains, including whsiss.com, zhihuikj.com, liebo.com, syzt.com.cn and sg-chn.com.
At least part of the name servers for 12306by.com are shared with other domains, for instance imxmx.com, leqiunba.com.cn, stnc.net, gfbp.com and bennve.cn.
These name servers are commonly used with ns1.alidns.com, ns2.alidns.com, 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.