kosay.cn - robtex.com
kosay.cn
| CNAME | kosay.tydns.cc | ||||||
| CNAME | yd1.dnf-euc3.ty3w.net | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 39.99.34.220🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
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=2034582762 | ||||||
Same first word
kosay.cn |
Similar names
DNS History
5 records (3 active, 2 former)
●NSdns10.hichina.com2015-08-08 → 2026-03-24 · 2 obs
● 2015-08-08 19:37:48
● 2026-03-24 17:53:46
● 2026-03-24 17:53:46
●NSdns9.hichina.com2015-08-08 → 2026-03-24 · 2 obs
● 2015-08-08 19:37:48
● 2026-03-24 17:53:46
● 2026-03-24 17:53:46
○A103.17.119.732015-08-08 → 2015-08-08 · 3 obs
● 2015-08-08 19:37:48
○ 2015-12-05 16:08:14
○ 2026-03-24 17:53:46
○ 2015-12-05 16:08:14
○ 2026-03-24 17:53:46
○A103.30.5.832015-12-05 → 2016-12-27 · 5 obs
○ 2015-08-08 19:37:48
● 2015-12-05 16:08:14
● 2016-12-27 07:56:58
○ 2026-02-25 08:41:58
○ 2026-03-24 17:53:46
● 2015-12-05 16:08:14
● 2016-12-27 07:56:58
○ 2026-02-25 08:41:58
○ 2026-03-24 17:53:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | d.dns.cn, e.dns.cn, a.dns.cn, c.dns.cn... | - |
| kosay.cn | dns9.hichina.com, dns10.hichina.com | - |
✅ Authoritative Response
Server:139.224.142.111
NS records: dns9.hichina.com, dns10.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kosay.cn (unsigned zone)
⏱️ Timing
Total: 2472ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns10.hichina.com, dns9.hichina.com |
| CNAME | 1 | kosay.tydns.cc |
| SOA | 1 | dns9.hichina.com hostmaster.hichina.com |
Analysis
IP Addresses
kosay.cn points to IP number: 39.99.34.220.
Other host names such as rongdatech.com, zhgyl.net, longrx.com, yd1.dnf-euc3.ty3w.net and junhengqiye.com share IPs with kosay.cn.