study.tools - dns.ninja

`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=1781275769

Same first word

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tudsy.online

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dusty.ca

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DNS History

16 records (4 active, 12 former)

●NScuritiba.ns.porkbun.com2026-03-10 → 2026-06-12 · 3 obs

○ 2018-05-23 04:00:26
● 2026-03-10 06:34:34
● 2026-06-12 15:03:22

●NSfortaleza.ns.porkbun.com2026-03-10 → 2026-06-12 · 3 obs

○ 2018-05-23 04:00:26
● 2026-03-10 06:34:34
● 2026-06-12 15:03:22

●NSmaceio.ns.porkbun.com2026-03-10 → 2026-06-12 · 3 obs

○ 2018-05-23 04:00:26
● 2026-03-10 06:34:34
● 2026-06-12 15:03:22

○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
○ 2026-06-12 15:03:22

○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
○ 2026-06-12 15:03:22

●NSsalvador.ns.porkbun.com2026-03-10 → 2026-06-12 · 3 obs

○ 2018-05-23 04:00:26
● 2026-03-10 06:34:34
● 2026-06-12 15:03:22

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

● 2016-12-11 00:44:30
○ 2018-05-23 04:00:26
○ 2026-06-12 15:03:22

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

● 2016-12-11 00:44:30
○ 2018-05-23 04:00:26
○ 2026-06-12 15:03:22

○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
○ 2026-06-12 15:03:22

○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
○ 2026-06-12 15:03:22

○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
○ 2026-06-12 15:03:22

○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
○ 2026-06-12 15:03:22

○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
○ 2026-06-12 15:03:22

○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
○ 2026-06-12 15:03:22

○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
○ 2026-06-12 15:03:22

○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
○ 2026-06-12 15:03:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tools	v0n1.nic.tools, v0n3.nic.tools, v2n1.nic.tools, v0n0.nic.tools...	-
study.tools	salvador.ns.porkbun.com, curitiba.ns.porkbun.com, maceio.ns.porkbun.com, fortaleza.ns.porkbun.com	-

✅ Authoritative Response

Server:173.245.58.37

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for study.tools (unsigned zone)

⏱️ Timing

Total: 301ms | 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`

Analysis

Name Servers

study.tools is delegated to four name servers, curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com, maceio.ns.porkbun.com and salvador.ns.porkbun.com.

study.tools shares at least some of its name servers with other domains, including lijka.com, dreamless.one, bullber.com and two others.

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