ctdf.com.cn - robtex.com
ctdf.com.cn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
com.cn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.cn ⭐ ⚠️ Not in parent delegation 🔒 | ||||||
| NS | b.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | c.dns.cn ⚠️ Not in parent delegation 🔒 | ||||||
| NS | cns.cernet.net ⚠️ Not in parent delegation | ||||||
| NS | d.dns.cn ⚠️ Not in parent delegation 🔒 | ||||||
| NS | e.dns.cn ⚠️ Not in parent delegation 🔒 | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2030422549 | ||||||
Same first word
Similar names
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | c.dns.cn, e.dns.cn, b.dns.cn, a.dns.cn... | - |
✅ Authoritative Response
Server: 2001:dc7:3::1
NS records: c.dns.cn, e.dns.cn, b.dns.cn, a.dns.cn, d.dns.cn
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 2454ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|