`189study.com`

	CNAME	`exp.gname.net`
	DNSSEC	⚠️ Not signed
	A	172.65.211.209^{🇺🇸 Cloudflare172.65.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}

`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=1778716136

Same first word

189study.com

DNS History

15 records (3 active, 12 former)

●NSexpire1.gname-dns.com2026-05-13 → 2026-05-13 · 3 obs

○ 2026-05-07 03:02:46
● 2026-05-13 23:50:38
● 2026-05-13 23:50:40

●NSexpire2.gname-dns.com2026-05-13 → 2026-05-13 · 3 obs

○ 2026-05-07 03:02:46
● 2026-05-13 23:50:38
● 2026-05-13 23:50:40

○NSf1g1ns1.dnspod.net2015-05-30 → 2016-11-20 · 4 obs

● 2015-05-30 22:44:44
● 2016-11-20 03:43:02
○ 2026-04-09 00:46:10
○ 2026-05-13 23:50:40

○NSf1g1ns2.dnspod.net2015-05-30 → 2016-11-20 · 4 obs

● 2015-05-30 22:44:44
● 2016-11-20 03:43:02
○ 2026-04-09 00:46:10
○ 2026-05-13 23:50:40

○NShouston.ns.cloudflare.com2026-04-09 → 2026-05-07 · 5 obs

○ 2016-11-20 03:43:02
● 2026-04-09 00:46:10
● 2026-05-07 03:02:46
○ 2026-05-13 23:50:38
○ 2026-05-13 23:50:40

○NSrosemary.ns.cloudflare.com2026-04-09 → 2026-05-07 · 5 obs

○ 2016-11-20 03:43:02
● 2026-04-09 00:46:10
● 2026-05-07 03:02:46
○ 2026-05-13 23:50:38
○ 2026-05-13 23:50:40

○MXmxbiz1.qq.com2015-05-30 → 2016-04-08 · 4 obs

● 2015-05-30 22:44:44
● 2016-04-08 01:37:50
○ 2016-11-20 03:43:02
○ 2026-05-13 23:50:40

○MXmxbiz2.qq.com2015-05-30 → 2016-04-08 · 4 obs

● 2015-05-30 22:44:44
● 2016-04-08 01:37:50
○ 2016-11-20 03:43:02
○ 2026-05-13 23:50:40

○A104.21.29.1942026-04-09 → 2026-05-07 · 5 obs

○ 2016-11-20 03:43:02
● 2026-04-09 00:46:10
● 2026-05-07 03:02:46
○ 2026-05-13 23:50:38
○ 2026-05-13 23:50:40

○A172.67.149.1722026-04-09 → 2026-05-07 · 5 obs

○ 2016-11-20 03:43:02
● 2026-04-09 00:46:10
● 2026-05-07 03:02:46
○ 2026-05-13 23:50:38
○ 2026-05-13 23:50:40

○A221.228.82.1242015-05-30 → 2016-11-20 · 6 obs

● 2015-05-30 22:44:44
○ 2015-11-03 13:36:42
○ 2016-04-08 01:37:50
● 2016-11-20 03:43:02
○ 2026-04-09 00:46:10
○ 2026-05-13 23:50:40

○A2606:4700:3032::ac43:95ac2026-04-09 → 2026-05-07 · 5 obs

○ 2016-11-20 03:43:02
● 2026-04-09 00:46:10
● 2026-05-07 03:02:46
○ 2026-05-13 23:50:38
○ 2026-05-13 23:50:40

○A2606:4700:3033::6815:1dc22026-04-09 → 2026-05-07 · 5 obs

○ 2016-11-20 03:43:02
● 2026-04-09 00:46:10
● 2026-05-07 03:02:46
○ 2026-05-13 23:50:38
○ 2026-05-13 23:50:40

○A58.215.139.92015-11-03 → 2016-04-08 · 5 obs

○ 2015-05-30 22:44:44
● 2015-11-03 13:36:42
● 2016-04-08 01:37:50
○ 2016-11-20 03:43:02
○ 2026-05-13 23:50:40

●CNAMEexp.gname.net2026-05-13 → 2026-05-13 · 2 obs

● 2026-05-13 23:50:38
● 2026-05-13 23:50:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, a.gtld-servers.net, f.gtld-servers.net, i.gtld-servers.net...	-
189study.com	expire1.gname-dns.com, expire2.gname-dns.com	2 records

✅ Authoritative Response

Server:172.64.53.233

NS records: expire1.gname-dns.com, expire2.gname-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 189study.com (unsigned zone)

⏱️ Timing

Total: 562ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`expire1.gname-dns.com, expire2.gname-dns.com`
CNAME	1	`exp.gname.net`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (expire1.gname-dns.com, expire2.gname-dns.com)

Analysis

IP Addresses

189study.com resolves to one IP number: 172.65.211.209.

Other host names, for instance cnbmengineering.com, exp.gname.net, cpmcq.com and 1243n.com share IP numbers with 189study.com.

189study.com - robtex.com

189study.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

`189study.com`

`com`