bcttc.com.cn - robtex.com
bcttc.com.cn
| DNSSEC | ⚠️ Not signed | ||||||
com.cn
| DNSSEC | ⚠️ Not signed | ||||||
| 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=2030714735 | ||||||
Same first word
bcttc.com.cn |
Similar names
DNS History
3 records (0 active, 3 former)
○NSns7.alidns.com2026-02-25 → 2026-03-26 · 4 obs
● 2026-02-25 03:00:56
● 2026-03-26 11:11:24
○ 2026-07-29 18:42:18
○ 2026-07-29 18:42:20
● 2026-03-26 11:11:24
○ 2026-07-29 18:42:18
○ 2026-07-29 18:42:20
○NSns8.alidns.com2026-02-25 → 2026-03-26 · 4 obs
● 2026-02-25 03:00:56
● 2026-03-26 11:11:24
○ 2026-07-29 18:42:18
○ 2026-07-29 18:42:20
● 2026-03-26 11:11:24
○ 2026-07-29 18:42:18
○ 2026-07-29 18:42:20
○A192.155.191.2192026-02-25 → 2026-03-26 · 4 obs
● 2026-02-25 03:00:56
● 2026-03-26 11:11:24
○ 2026-07-29 18:42:18
○ 2026-07-29 18:42:20
● 2026-03-26 11:11:24
○ 2026-07-29 18:42:18
○ 2026-07-29 18:42:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | b.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
✅ Authoritative Response
Server:203.119.28.1
NS records: b.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn, e.dns.cn
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 3781ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|