openthinking.cn - robtex.com
openthinking.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 | ||||||
| PTR | ip-170-33-12-185.defastlink.net | ||||||
cn
| DNSSEC | ⚠️ Not signed | ||||||
| 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=2034456417 | ||||||
Subdomains
dc.openthinking.cn |
Same first word
DNS History
3 records (3 active, 0 former)
●NSdns25.hichina.com2026-02-28 → 2026-02-28 · 2 obs
● 2026-02-28 05:43:08
● 2026-02-28 13:59:42
● 2026-02-28 13:59:42
●NSdns26.hichina.com2026-02-28 → 2026-02-28 · 2 obs
● 2026-02-28 05:43:08
● 2026-02-28 13:59:42
● 2026-02-28 13:59:42
●CNAMEoverdue.aliyun.com2026-02-28 → 2026-02-28 · 2 obs
● 2026-02-28 05:43:08
● 2026-02-28 13:59:42
● 2026-02-28 13:59:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | b.dns.cn, c.dns.cn, d.dns.cn, e.dns.cn... | - |
| openthinking.cn | dns25.hichina.com, dns26.hichina.com | - |
✅ Authoritative Response
Server: 120.76.107.59
NS records: dns25.hichina.com, dns26.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for openthinking.cn (unsigned zone)
⏱️ Timing
Total: 4013ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns25.hichina.com, dns26.hichina.com |
| CNAME | 1 | overdue.aliyun.com |
| SOA | 1 | dns25.hichina.com hostmaster.hichina.com |
Analysis
Hierarchy
dc.openthinking.cn has openthinking.cn as its parent.
IP Addresses
openthinking.cn maps to IP address 170.33.12.185.
Other host names, for instance fkcx.cn, hldm.cn, ahjq.cn, bpsp.cn and btdb.cn share IP numbers with openthinking.cn.