`insstudy.com`

	CNAME	`www.insstudy.com`
	DNSSEC	⚠️ Not signed
	A	43.154.248.178^{🇭🇰 TENCENT-NET-AP-CN43.154.192.0/18 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES}

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1771291435

📈 Tranco rank: #701,313

Subdomains

www.insstudy.com

Same first word

insstudy.com

Similar names

sudystin.com

DNS History

7 records (5 active, 2 former)

○NSdns10.hichina.com2018-07-29 → 2018-07-29 · 3 obs

● 2018-07-29 03:12:46
○ 2026-03-11 22:07:12
○ 2026-03-24 01:57:18

○NSdns9.hichina.com2018-07-29 → 2018-07-29 · 3 obs

● 2018-07-29 03:12:46
○ 2026-03-11 22:07:12
○ 2026-03-24 01:57:18

●NSvip1.alidns.com2026-03-11 → 2026-03-24 · 3 obs

○ 2018-07-29 03:12:46
● 2026-03-11 22:07:12
● 2026-03-24 01:57:18

●NSvip2.alidns.com2026-03-11 → 2026-03-24 · 3 obs

○ 2018-07-29 03:12:46
● 2026-03-11 22:07:12
● 2026-03-24 01:57:18

●MXmxbiz1.qq.com2018-07-29 → 2026-03-24 · 2 obs

● 2018-07-29 03:12:46
● 2026-03-24 01:57:18

●MXmxbiz2.qq.com2018-07-29 → 2026-03-24 · 2 obs

● 2018-07-29 03:12:46
● 2026-03-24 01:57:18

●CNAMEwww.insstudy.com2026-03-11 → 2026-03-24 · 2 obs

● 2026-03-11 22:07:12
● 2026-03-24 01:57:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, h.gtld-servers.net, f.gtld-servers.net, d.gtld-servers.net...	-
insstudy.com	vip1.alidns.com, vip2.alidns.com	20 records

✅ Authoritative Response

Server:121.40.6.162

NS records: vip1.alidns.com, vip2.alidns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for insstudy.com (unsigned zone)

⏱️ Timing

Total: 3281ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`vip1.alidns.com, vip2.alidns.com`
MX	2	`mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10)`
CNAME	1	`www.insstudy.com`
SOA	1	`vip1.alidns.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 20

Out-of-bailiwick: 20 (vip1.alidns.com, vip1.alidns.com, vip1.alidns.com...)

Analysis

Hierarchy

The parent of www.insstudy.com is insstudy.com.

IP Addresses

insstudy.com points to a single IP number: 43.154.248.178.

Other host names, for instance www.instogether.com, www.insstudy.com and www.insbridge.cc share IP numbers with insstudy.com.

insstudy.com - robtex.com

insstudy.com

com