studypro.cn - dns.ninja

`studypro.cn`

	CNAME	`studypro.cn.w.kunlunaq.com`
	DNSSEC	⚠️ Not signed
	A	180.163.146.7^{🇨🇳 SHANGHAITELECOM180.163.146.0/24 SHIDC}

`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.cn`root@cnnic.cn serial=2034977499

Same first word

studypro.com.au

studypro.eu

studypro.de

studypro.pl

studypro.com

studypro.cn

studypro.ca

studypro.club

studypro.org

studypro.co.jp

studypro.ch

studypro.co.uk

Similar names

rustypod.com

prostudy.eu

pyrodust.net

prostudy.net

prostudy.in

prostudy.xyz

prostudy.nl

DNS History

3 records (3 active, 0 former)

●NSdns7.hichina.com2026-03-19 → 2026-06-28 · 2 obs

● 2026-03-19 10:52:52
● 2026-06-28 01:32:10

●NSdns8.hichina.com2026-03-19 → 2026-06-28 · 2 obs

● 2026-03-19 10:52:52
● 2026-06-28 01:32:10

●CNAMEstudypro.cn.w.kunlunaq.com2026-03-19 → 2026-06-28 · 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
● 2026-06-28 01:32:10

🔍 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:39.96.153.44

NS records: dns7.hichina.com, dns8.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studypro.cn (unsigned zone)

⏱️ Timing

Total: 1798ms | 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 points to a single IP number: 180.163.146.7.

Additional host names — zzjyzy.cn.w.kunlunaq.com, www.400vo.com.w.kunlunar.com, all.chinavr.net.w.kunluncan.com and two others — share IP numbers with studypro.cn.