300tools.cn - robtex.com
300tools.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
300tools.cn |
DNS History
2 records (2 active, 0 former)
●NSdns15.hichina.com2026-02-18 → 2026-03-23 · 2 obs
● 2026-03-23 22:39:48
●NSdns16.hichina.com2026-02-18 → 2026-03-23 · 2 obs
● 2026-03-23 22:39:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, d.dns.cn, b.dns.cn, c.dns.cn... | - |
| 300tools.cn | dns15.hichina.com, dns16.hichina.com | - |
✅ Authoritative Response
Server:139.224.142.121
NS records: dns15.hichina.com, dns16.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 300tools.cn (unsigned zone)
⏱️ Timing
Total: 1725ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns16.hichina.com, dns15.hichina.com |
| SOA | 1 | dns15.hichina.com hostmaster.hichina.com |
Analysis
Name Servers
300tools.cn is delegated to two name servers dns15.hichina.com and dns16.hichina.com.
300tools.cn shares the same name server setup as other domains, for instance kuaijianbang.com, htgm.com.cn, cnzdw.com, szgkgs.com and yhgroup-cn.com.
300tools.cn at least partially shares name servers with other domains, for instance woomei.com, keruihg.com, 99crdits.com, incafe.xyz and bxjivci.com.
These name servers are commonly used alongside expirens3.hichina.com and expirens4.hichina.com.
Host names with nine IP numbers:
dns15.hichina.com points to: 2408:4009:501::23, 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.
dns16.hichina.com points to: 2408:4009:501::24, 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.