`study.tools`

DNSSEC	⚠️ Not signed
NS	`curitiba.ns.porkbun.com` ⭐
		A	2400:cb00:2049:1::adf5:3a25^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	173.245.58.37^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`fortaleza.ns.porkbun.com`
		A	2400:cb00:2049:1::a29f:88c^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.8.140^{Cloudflare162.159.8.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`maceio.ns.porkbun.com`
		A	2400:cb00:2049:1::a29f:bb4^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.11.180^{Cloudflare162.159.11.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`salvador.ns.porkbun.com`
		A	2400:cb00:2049:1::a29f:a96^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.10.150^{Cloudflare162.159.10.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
SOA	`curitiba.ns.porkbun.com`dns@cloudflare.com serial=2326234630

`tools`

	DNSSEC	🔒 Signed (DS record present)
	NS	`v0n0.nic.tools` ⭐
	NS	`v0n1.nic.tools`
	NS	`v0n2.nic.tools`
	NS	`v0n3.nic.tools`
	NS	`v2n0.nic.tools`
	NS	`v2n1.nic.tools`
	SOA	`v0n0.nic.tools`hostmaster@donuts.email serial=1783143201

Same first word

study.kz

study.com.pl

study.de

study.edu.vn

study.uk.net

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yduts.com

stydu.ru

tudsy.online

tydus.it

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dusty.ca

dusty.co

sduty.com

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dusty.cz

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dusty.gr

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DNS History

16 records (4 active, 12 former)

●NScuritiba.ns.porkbun.com2026-03-10 → 2026-07-04 · 3 obs

○ 2018-05-23 04:00:26
● 2026-03-10 06:34:34
● 2026-07-04 05:54:06

●NSfortaleza.ns.porkbun.com2026-03-10 → 2026-07-04 · 3 obs

○ 2018-05-23 04:00:26
● 2026-03-10 06:34:34
● 2026-07-04 05:54:06

●NSmaceio.ns.porkbun.com2026-03-10 → 2026-07-04 · 3 obs

○ 2018-05-23 04:00:26
● 2026-03-10 06:34:34
● 2026-07-04 05:54:06

○NSns19.domaincontrol.com2016-12-11 → 2018-05-23 · 4 obs

● 2016-12-11 00:44:30
● 2018-05-23 04:00:26
○ 2026-03-10 06:34:34
○ 2026-07-04 05:54:06

○NSns20.domaincontrol.com2016-12-11 → 2018-05-23 · 4 obs

● 2016-12-11 00:44:30
● 2018-05-23 04:00:26
○ 2026-03-10 06:34:34
○ 2026-07-04 05:54:06

●NSsalvador.ns.porkbun.com2026-03-10 → 2026-07-04 · 3 obs

○ 2018-05-23 04:00:26
● 2026-03-10 06:34:34
● 2026-07-04 05:54:06

○MXmail.study.tools2016-12-11 → 2016-12-11 · 3 obs

● 2016-12-11 00:44:30
○ 2018-05-23 04:00:26
○ 2026-07-04 05:54:06

○A107.180.46.1942016-12-11 → 2016-12-11 · 3 obs

● 2016-12-11 00:44:30
○ 2018-05-23 04:00:26
○ 2026-07-04 05:54:06

○A184.168.221.442018-05-23 → 2018-05-23 · 4 obs

○ 2016-12-11 00:44:30
● 2018-05-23 04:00:26
○ 2026-03-10 06:34:34
○ 2026-07-04 05:54:06

○A184.168.221.482018-05-23 → 2018-05-23 · 4 obs

○ 2016-12-11 00:44:30
● 2018-05-23 04:00:26
○ 2026-03-10 06:34:34
○ 2026-07-04 05:54:06

○A184.168.221.572018-05-23 → 2018-05-23 · 4 obs

○ 2016-12-11 00:44:30
● 2018-05-23 04:00:26
○ 2026-03-10 06:34:34
○ 2026-07-04 05:54:06

○A184.168.221.582018-05-23 → 2018-05-23 · 4 obs

○ 2016-12-11 00:44:30
● 2018-05-23 04:00:26
○ 2026-03-10 06:34:34
○ 2026-07-04 05:54:06

○A50.63.202.372018-05-23 → 2018-05-23 · 4 obs

○ 2016-12-11 00:44:30
● 2018-05-23 04:00:26
○ 2026-03-10 06:34:34
○ 2026-07-04 05:54:06

○A50.63.202.402018-05-23 → 2018-05-23 · 4 obs

○ 2016-12-11 00:44:30
● 2018-05-23 04:00:26
○ 2026-03-10 06:34:34
○ 2026-07-04 05:54:06

○A50.63.202.492018-05-23 → 2018-05-23 · 4 obs

○ 2016-12-11 00:44:30
● 2018-05-23 04:00:26
○ 2026-03-10 06:34:34
○ 2026-07-04 05:54:06

○A50.63.202.502018-05-23 → 2018-05-23 · 4 obs

○ 2016-12-11 00:44:30
● 2018-05-23 04:00:26
○ 2026-03-10 06:34:34
○ 2026-07-04 05:54:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tools	v0n3.nic.tools, v0n0.nic.tools, v0n1.nic.tools, v0n2.nic.tools...	12 records
study.tools	salvador.ns.porkbun.com, maceio.ns.porkbun.com, curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com	-

✅ Authoritative Response

Server:162.159.8.140

NS records: salvador.ns.porkbun.com, maceio.ns.porkbun.com, curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for study.tools (unsigned zone)

⏱️ Timing

Total: 1163ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com...`
SOA	1	`curitiba.ns.porkbun.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v2n1.nic.tools, v2n0.nic.tools, v0n3.nic.tools...)

Analysis

Name Servers

study.tools has four authoritative name servers: curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com, maceio.ns.porkbun.com and salvador.ns.porkbun.com.

study.tools partially shares its NS delegation with several other domains, including lijka.com, dreamless.one, bullber.com and two others.

curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com, maceio.ns.porkbun.com and salvador.ns.porkbun.com each carry two IP addresses. curitiba.ns.porkbun.com has 173.245.58.37 and 2400:cb00:2049:1::adf5:3a25; fortaleza.ns.porkbun.com has 162.159.8.140 and 2400:cb00:2049:1::a29f:88c; maceio.ns.porkbun.com has 162.159.11.180 and 2400:cb00:2049:1::a29f:bb4; salvador.ns.porkbun.com has 162.159.10.150 and 2400:cb00:2049:1::a29f:a96.

study.tools - robtex.com

study.tools

tools

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Name Servers

`study.tools`

`tools`