891b.cn - robtex.com
891b.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=2034609171 | ||||||
Subdomains
www.891b.cn |
Same first word
Similar names
DNS History
6 records (0 active, 6 former)
○NSdm1.longmingdns.com2026-03-30 → 2026-03-30 · 1 obs
○ 2026-03-30 02:12:50
○NSdm2.longmingdns.com2026-03-30 → 2026-03-30 · 1 obs
○ 2026-03-30 02:12:50
○NSns1.dnsdun.com2018-07-19 → 2018-07-19 · 2 obs
● 2018-07-19 05:34:38
○ 2026-03-30 02:12:50
○ 2026-03-30 02:12:50
○NSns1.dnsdun.net2018-07-19 → 2018-07-19 · 2 obs
● 2018-07-19 05:34:38
○ 2026-03-30 02:12:50
○ 2026-03-30 02:12:50
○A38.239.66.1382026-03-30 → 2026-03-30 · 1 obs
○ 2026-03-30 02:12:50
○A45.195.180.2092018-07-19 → 2018-07-19 · 2 obs
● 2018-07-19 05:34:38
○ 2026-03-30 02:12:50
○ 2026-03-30 02:12:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
✅ Authoritative Response
Server:203.119.26.1
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: 503ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|