yc40.cn - robtex.com
yc40.cn
| DNSSEC | ⚠️ Not signed | ||||||
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=2034776343 | ||||||
Similar names
DNS History
5 records (0 active, 5 former)
○NSdns15.hichina.com2019-04-08 → 2019-04-08 · 4 obs
○ 2015-11-13 13:32:54
● 2019-04-08 16:31:36
○ 2026-05-11 01:20:10
○ 2026-05-11 01:20:12
● 2019-04-08 16:31:36
○ 2026-05-11 01:20:10
○ 2026-05-11 01:20:12
○NSdns16.hichina.com2019-04-08 → 2019-04-08 · 4 obs
○ 2015-11-13 13:32:54
● 2019-04-08 16:31:36
○ 2026-05-11 01:20:10
○ 2026-05-11 01:20:12
● 2019-04-08 16:31:36
○ 2026-05-11 01:20:10
○ 2026-05-11 01:20:12
○NSns1.72dns.com2015-07-06 → 2015-07-06 · 3 obs
● 2015-07-06 17:19:20
○ 2015-11-13 13:32:54
○ 2026-05-11 01:20:12
○ 2015-11-13 13:32:54
○ 2026-05-11 01:20:12
○NSns2.idc1.cn2015-07-06 → 2015-07-06 · 3 obs
● 2015-07-06 17:19:20
○ 2015-11-13 13:32:54
○ 2026-05-11 01:20:12
○ 2015-11-13 13:32:54
○ 2026-05-11 01:20:12
○A210.209.90.2402015-07-06 → 2015-07-06 · 3 obs
● 2015-07-06 17:19:20
○ 2015-11-13 13:32:54
○ 2026-05-11 01:20:12
○ 2015-11-13 13:32:54
○ 2026-05-11 01:20:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
✅ Authoritative Response
Server:2001:dc7:3::1
NS records: a.dns.cn, b.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: 2742ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|