b25.cn - robtex.com
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b25.cn
| CNAME | s2.host.f15.cn | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 8.140.207.85🇨🇳 ALIBABA-CN-NET | ||||||
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⚠️ | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2034446726 | ||||||
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSdns23.hichina.com2026-02-16 → 2026-02-16 · 2 obs
● 2026-02-16 09:12:38
● 2026-02-16 09:12:40
● 2026-02-16 09:12:40
●NSdns24.hichina.com2026-02-16 → 2026-02-16 · 2 obs
● 2026-02-16 09:12:38
● 2026-02-16 09:12:40
● 2026-02-16 09:12:40
●CNAMEs2.host.f15.cn2026-02-16 → 2026-02-16 · 2 obs
● 2026-02-16 09:12:38
● 2026-02-16 09:12:40
● 2026-02-16 09:12:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | b.dns.cn, a.dns.cn, e.dns.cn, c.dns.cn... | - |
| b25.cn | dns23.hichina.com, dns24.hichina.com | - |
✅ Authoritative Response
Server: 39.96.153.61
NS records: dns23.hichina.com, dns24.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for b25.cn (unsigned zone)
⏱️ Timing
Total: 1287ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns24.hichina.com, dns23.hichina.com |
| MX | 2 | mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf.mail.qq.com ~all |
| CNAME | 1 | s2.host.f15.cn |
| SOA | 1 | dns23.hichina.com hostmaster.hichina.com |
AI analysis
b25.cn points to a single IP number: 8.140.207.85.
Other host names, for instance s2.host.f15.cn, share IP numbers with b25.cn.