cdn-tools.cn - robtex.com
cdn-tools.cn
| CNAME | cdn-tools.cn.w.kunlunaq.com | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 42.97.39.211🇨🇳 CHINANET-BACKBONE42.97.0.0/16 China Telecom Network | ||||||
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=2035153718 | ||||||
Subdomains
ysj-imm-test.cdn-tools.cn |
pulltest.cdn-tools.cn |
alitest123.cdn-tools.cn |
Same first word
cdn-tools.cn |
DNS History
3 records (3 active, 0 former)
●NSdns17.hichina.com2026-07-06 → 2026-08-07 · 2 obs
● 2026-07-06 10:42:00
● 2026-08-07 23:30:38
● 2026-08-07 23:30:38
●NSdns18.hichina.com2026-07-06 → 2026-08-07 · 2 obs
● 2026-07-06 10:42:00
● 2026-08-07 23:30:38
● 2026-08-07 23:30:38
●CNAMEcdn-tools.cn.w.kunlunaq.com2026-07-06 → 2026-08-07 · 2 obs
● 2026-07-06 10:42:00
● 2026-08-07 23:30:38
● 2026-08-07 23:30:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| cdn-tools.cn | dns17.hichina.com, dns18.hichina.com | - |
✅ Authoritative Response
Server:39.96.153.40
NS records: dns17.hichina.com, dns18.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cdn-tools.cn (unsigned zone)
⏱️ Timing
Total: 1631ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns18.hichina.com, dns17.hichina.com |
| CNAME | 1 | cdn-tools.cn.w.kunlunaq.com |
| SOA | 1 | dns17.hichina.com hostmaster.hichina.com |
Analysis
Hierarchy
cdn-tools.cn sits above ysj-imm-test.cdn-tools.cn, pulltest.cdn-tools.cn and alitest123.cdn-tools.cn in the domain hierarchy.
IP Addresses
cdn-tools.cn points to a single IP number: 42.97.39.211.
Additional host names — landasz.com.w.kunlunaq.com, hdsdyyy.com.w.kunlunaq.com, docdev.cn.w.kunlunca.com and two others — share IP numbers with cdn-tools.cn.