`tnstudy.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:ce11^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:34fa^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.52.250^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.206.17^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`josh.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b7e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josh.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c17e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`josh.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:217e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`josh.ns.cloudflare.com`
		A	108.162.193.126^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josh.ns.cloudflare.com`
		A	172.64.33.126^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josh.ns.cloudflare.com`
		A	173.245.59.126^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josh.ns.cloudflare.com`
NS	`sima.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ade^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sima.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0de^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sima.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20de^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sima.ns.cloudflare.com`
		A	108.162.192.222^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sima.ns.cloudflare.com`
		A	172.64.32.222^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sima.ns.cloudflare.com`
		A	173.245.58.222^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sima.ns.cloudflare.com`
TXT	`google-site-verification=_GZgSIoQ-dvzHIHmPzWqZMjtZnL6HCMLiVWnfy-Oy5s`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.52.250, 172.67.206.17
		IPv6 hints	2606:4700:3030::ac43:ce11, 2606:4700:3037::6815:34fa
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=60, name=cloudflare-ech.com
SOA	`josh.ns.cloudflare.com`dns@cloudflare.com serial=2403534723

`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=1778353081

Same first word

tnstudy.com

DNS History

16 records (6 active, 10 former)

●NSjosh.ns.cloudflare.com2026-04-03 → 2026-05-09 · 3 obs

○ 2015-11-08 09:18:42
● 2026-04-03 11:00:56
● 2026-05-09 19:27:04

○NSns1.myhostadmin.net2015-06-19 → 2015-11-08 · 5 obs

○ 2008-03-18 05:47:12
● 2015-06-19 01:41:48
● 2015-11-08 09:18:42
○ 2026-04-03 11:00:56
○ 2026-05-09 19:27:04

○NSns2.myhostadmin.net2015-06-19 → 2015-11-08 · 5 obs

○ 2008-03-18 05:47:12
● 2015-06-19 01:41:48
● 2015-11-08 09:18:42
○ 2026-04-03 11:00:56
○ 2026-05-09 19:27:04

○NSns3.myhostadmin.net2015-06-19 → 2015-11-08 · 5 obs

○ 2008-03-18 05:47:12
● 2015-06-19 01:41:48
● 2015-11-08 09:18:42
○ 2026-04-03 11:00:56
○ 2026-05-09 19:27:04

○NSns4.myhostadmin.net2015-06-19 → 2015-11-08 · 5 obs

○ 2008-03-18 05:47:12
● 2015-06-19 01:41:48
● 2015-11-08 09:18:42
○ 2026-04-03 11:00:56
○ 2026-05-09 19:27:04

○NSns5.myhostadmin.net2015-06-19 → 2015-11-08 · 5 obs

○ 2008-03-18 05:47:12
● 2015-06-19 01:41:48
● 2015-11-08 09:18:42
○ 2026-04-03 11:00:56
○ 2026-05-09 19:27:04

○NSns6.myhostadmin.net2015-06-19 → 2015-11-08 · 5 obs

○ 2008-03-18 05:47:12
● 2015-06-19 01:41:48
● 2015-11-08 09:18:42
○ 2026-04-03 11:00:56
○ 2026-05-09 19:27:04

●NSsima.ns.cloudflare.com2026-04-03 → 2026-05-09 · 3 obs

○ 2015-11-08 09:18:42
● 2026-04-03 11:00:56
● 2026-05-09 19:27:04

●A104.21.52.2502026-05-09 → 2026-05-09 · 3 obs

○ 2026-04-03 11:00:56
● 2026-05-09 19:27:02
● 2026-05-09 19:27:04

●A172.67.206.172026-05-09 → 2026-05-09 · 3 obs

○ 2026-04-03 11:00:56
● 2026-05-09 19:27:02
● 2026-05-09 19:27:04

○A188.114.96.02026-04-03 → 2026-04-03 · 3 obs

● 2026-04-03 11:00:56
○ 2026-05-09 19:27:02
○ 2026-05-09 19:27:04

○A188.114.97.02026-04-03 → 2026-04-03 · 3 obs

● 2026-04-03 11:00:56
○ 2026-05-09 19:27:02
○ 2026-05-09 19:27:04

●A2606:4700:3030::ac43:ce112026-05-09 → 2026-05-09 · 3 obs

○ 2026-04-03 11:00:56
● 2026-05-09 19:27:02
● 2026-05-09 19:27:04

●A2606:4700:3037::6815:34fa2026-05-09 → 2026-05-09 · 3 obs

○ 2026-04-03 11:00:56
● 2026-05-09 19:27:02
● 2026-05-09 19:27:04

○A2a06:98c1:3120::2026-04-03 → 2026-04-03 · 3 obs

● 2026-04-03 11:00:56
○ 2026-05-09 19:27:02
○ 2026-05-09 19:27:04

○A2a06:98c1:3121::2026-04-03 → 2026-04-03 · 3 obs

● 2026-04-03 11:00:56
○ 2026-05-09 19:27:02
○ 2026-05-09 19:27:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
tnstudy.com	josh.ns.cloudflare.com, sima.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.126

NS records: josh.ns.cloudflare.com, sima.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tnstudy.com (unsigned zone)

⏱️ Timing

Total: 184ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.206.17, 104.21.52.250`
AAAA	2	`2606:4700:3030::ac43:ce11, 2606:4700:3037::6815:34fa`
NS	2	`josh.ns.cloudflare.com, sima.ns.cloudflare.com`
TXT	1	`google-site-verification=_GZgSIoQ-dvzHIH`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`josh.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (josh.ns.cloudflare.com, josh.ns.cloudflare.com, josh.ns.cloudflare.com...)

Analysis

IP Addresses

Four IP numbers are pointed to by tnstudy.com: 2606:4700:3030::ac43:ce11, 2606:4700:3037::6815:34fa, 104.21.52.250 and 172.67.206.17.

other host names including gzyetaimei.com, rodemund.net, lomi.krakow.pl, 309ebh.net and www.discoverychannel.ru share IP numbers with tnstudy.com.

Name Servers

tnstudy.com is delegated to two name servers josh.ns.cloudflare.com and sima.ns.cloudflare.com.

tnstudy.com shares the same name server setup as other domains, for instance mikehu.me, mguonline.com, maharashtrastudy.com, aritun.am and hpboardonline.com.

tnstudy.com at least partially shares name servers with other domains, for instance 192.18.37.in-addr.arpa, allsoldout.net, game-keys.co.uk, usedbarriers.com and mhsuproar.com.

These name servers are commonly used alongside owen.ns.cloudflare.com and sterling.ns.cloudflare.com.

Host names with six IP numbers:

Host name josh.ns.cloudflare.com points to: 2606:4700:58::adf5:3b7e, 2803:f800:50::6ca2:c17e, 2a06:98c1:50::ac40:217e, 108.162.193.126, 172.64.33.126 and 173.245.59.126.

Host name sima.ns.cloudflare.com points to: 2606:4700:50::adf5:3ade, 2803:f800:50::6ca2:c0de, 2a06:98c1:50::ac40:20de, 108.162.192.222, 172.64.32.222 and 173.245.58.222.

tnstudy.com - robtex.com

tnstudy.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`tnstudy.com`

`com`