study.tools - robtex.com
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 | 162.159.8.140Cloudflare162.159.8.0/24 , 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 | 162.159.11.180Cloudflare162.159.11.0/24 , 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 | 162.159.10.150Cloudflare162.159.10.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | curitiba.ns.porkbun.comdns@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.toolshostmaster@donuts.email serial=1778368594 | ||||||
Same first word
Similar names
DNS History
16 records (4 active, 12 former)
●NScuritiba.ns.porkbun.com2026-03-10 → 2026-05-09 · 3 obs
● 2026-03-10 06:34:34
● 2026-05-09 23:36:24
●NSfortaleza.ns.porkbun.com2026-03-10 → 2026-05-09 · 3 obs
● 2026-03-10 06:34:34
● 2026-05-09 23:36:24
●NSmaceio.ns.porkbun.com2026-03-10 → 2026-05-09 · 3 obs
● 2026-03-10 06:34:34
● 2026-05-09 23:36:24
○NSns19.domaincontrol.com2016-12-11 → 2018-05-23 · 4 obs
● 2018-05-23 04:00:26
○ 2026-03-10 06:34:34
○ 2026-05-09 23:36:24
○NSns20.domaincontrol.com2016-12-11 → 2018-05-23 · 4 obs
● 2018-05-23 04:00:26
○ 2026-03-10 06:34:34
○ 2026-05-09 23:36:24
●NSsalvador.ns.porkbun.com2026-03-10 → 2026-05-09 · 3 obs
● 2026-03-10 06:34:34
● 2026-05-09 23:36:24
○MXmail.study.tools2016-12-11 → 2016-12-11 · 3 obs
○ 2018-05-23 04:00:26
○ 2026-05-09 23:36:24
○A107.180.46.1942016-12-11 → 2016-12-11 · 3 obs
○ 2018-05-23 04:00:26
○ 2026-05-09 23:36:24
○A184.168.221.442018-05-23 → 2018-05-23 · 4 obs
● 2018-05-23 04:00:26
○ 2026-03-10 06:34:34
○ 2026-05-09 23:36:24
○A184.168.221.482018-05-23 → 2018-05-23 · 4 obs
● 2018-05-23 04:00:26
○ 2026-03-10 06:34:34
○ 2026-05-09 23:36:24
○A184.168.221.572018-05-23 → 2018-05-23 · 4 obs
● 2018-05-23 04:00:26
○ 2026-03-10 06:34:34
○ 2026-05-09 23:36:24
○A184.168.221.582018-05-23 → 2018-05-23 · 4 obs
● 2018-05-23 04:00:26
○ 2026-03-10 06:34:34
○ 2026-05-09 23:36:24
○A50.63.202.372018-05-23 → 2018-05-23 · 4 obs
● 2018-05-23 04:00:26
○ 2026-03-10 06:34:34
○ 2026-05-09 23:36:24
○A50.63.202.402018-05-23 → 2018-05-23 · 4 obs
● 2018-05-23 04:00:26
○ 2026-03-10 06:34:34
○ 2026-05-09 23:36:24
○A50.63.202.492018-05-23 → 2018-05-23 · 4 obs
● 2018-05-23 04:00:26
○ 2026-03-10 06:34:34
○ 2026-05-09 23:36:24
○A50.63.202.502018-05-23 → 2018-05-23 · 4 obs
● 2018-05-23 04:00:26
○ 2026-03-10 06:34:34
○ 2026-05-09 23:36:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tools | v0n0.nic.tools, v0n1.nic.tools, v0n2.nic.tools, v0n3.nic.tools... | 12 records |
| study.tools | salvador.ns.porkbun.com, curitiba.ns.porkbun.com, maceio.ns.porkbun.com, fortaleza.ns.porkbun.com | - |
✅ Authoritative Response
Server:162.159.8.140
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: 314ms | 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 (v0n0.nic.tools, v0n1.nic.tools, v0n2.nic.tools...)
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 at least partially shares name servers with other domains, for instance lijka.com, dreamless.one, bullber.com, gnaea.com and blonde-beauty.com.
Host names with two IP numbers:
curitiba.ns.porkbun.com points to 2400:cb00:2049:1::adf5:3a25 and 173.245.58.37; fortaleza.ns.porkbun.com points to 2400:cb00:2049:1::a29f:88c and 162.159.8.140; maceio.ns.porkbun.com points to 2400:cb00:2049:1::a29f:bb4 and 162.159.11.180; salvador.ns.porkbun.com points to 2400:cb00:2049:1::a29f:a96 and 162.159.10.150.