studypro.cn - robtex.com
studypro.cn
| CNAME | studypro.cn.w.kunlunaq.com | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 1.194.31.53🇨🇳 CHINANET-Henan-Zhengzhou-Shujugang-IDC1.194.24.0/21 Chinatelecom Henan Province | ||||||
| PTR | 194.1.broad.ha.dynamic.163data.com.cn | ||||||
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 2035-08-07 #28 | ||||||
Same first word
studypro.com.au |
studypro.eu |
studypro.de |
studypro.com |
studypro.ru |
studypro.cn |
studypro.ca |
studypro.ir |
studypro.club |
studypro.net |
studypro.org |
studypro.co.jp |
studypro.ch |
studypro.co.uk |
Similar names
DNS History
3 records (3 active, 0 former)
●NSdns7.hichina.com2026-03-19 → 2026-07-23 · 2 obs
● 2026-03-19 10:52:52
● 2026-07-23 18:37:56
● 2026-07-23 18:37:56
●NSdns8.hichina.com2026-03-19 → 2026-07-23 · 2 obs
● 2026-03-19 10:52:52
● 2026-07-23 18:37:56
● 2026-07-23 18:37:56
●CNAMEstudypro.cn.w.kunlunaq.com2026-03-19 → 2026-07-23 · 5 obs
● 2026-03-19 10:52:52
● 2026-04-28 22:27:10
○ 2026-06-15 07:50:00
● 2026-06-27 23:46:02
● 2026-07-23 18:37:56
● 2026-04-28 22:27:10
○ 2026-06-15 07:50:00
● 2026-06-27 23:46:02
● 2026-07-23 18:37:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| studypro.cn | dns7.hichina.com, dns8.hichina.com | - |
✅ Authoritative Response
Server:139.224.142.123
NS records: dns7.hichina.com, dns8.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for studypro.cn (unsigned zone)
⏱️ Timing
Total: 1411ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns8.hichina.com, dns7.hichina.com |
| CNAME | 1 | studypro.cn.w.kunlunaq.com |
| SOA | 1 | dns7.hichina.com hostmaster.hichina.com |
Analysis
IP Addresses
studypro.cn has exactly one IP address — 1.194.31.53.
www.hercules.cn.w.kunlunca.com, cdn.dashenglab.com.w.kunlunaq.com, i.buyiju.com.w.kunlungr.com plus two other host names have IP numbers in common with studypro.cn.