zenn.cn - robtex.com
zenn.cn
| CNAME | overdue.aliyun.com | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 170.33.12.185🇸🇬 Alibaba_Cloud_SEC170.33.12.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
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=2034776187 | ||||||
Same first word
Similar names
DNS History
4 records (3 active, 1 former)
●NSdns10.hichina.com2015-07-04 → 2026-05-11 · 2 obs
● 2015-07-04 21:51:32
● 2026-05-11 00:16:56
● 2026-05-11 00:16:56
●NSdns9.hichina.com2015-07-04 → 2026-05-11 · 2 obs
● 2015-07-04 21:51:32
● 2026-05-11 00:16:56
● 2026-05-11 00:16:56
○A116.255.140.2442015-07-04 → 2017-01-10 · 4 obs
● 2015-07-04 21:51:32
● 2017-01-10 18:57:16
○ 2018-09-07 13:59:08
○ 2026-05-11 00:16:56
● 2017-01-10 18:57:16
○ 2018-09-07 13:59:08
○ 2026-05-11 00:16:56
●CNAMEoverdue.aliyun.com2018-09-07 → 2026-05-11 · 2 obs
● 2018-09-07 13:59:08
● 2026-05-11 00:16:56
● 2026-05-11 00:16:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | c.dns.cn, d.dns.cn, a.dns.cn, e.dns.cn... | - |
| zenn.cn | dns9.hichina.com, dns10.hichina.com | - |
✅ Authoritative Response
Server:47.118.199.201
NS records: dns9.hichina.com, dns10.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for zenn.cn (unsigned zone)
⏱️ Timing
Total: 1421ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns9.hichina.com, dns10.hichina.com |
| CNAME | 1 | overdue.aliyun.com |
| SOA | 1 | dns9.hichina.com hostmaster.hichina.com |
Analysis
IP Addresses
zenn.cn resolves to one IP number: 170.33.12.185.
other host names including dzxf.cn, iztt.cn, lkex.cn, zdgh.cn and 0j6.cn share IP numbers with zenn.cn.