devschool.rocks - dns.ninja

devschool.rocks

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:8743🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:6ce🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.6.206Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.135.67🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjen.ns.cloudflare.com ⭐
A2606:4700:50::a29f:26b9🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjen.ns.cloudflare.com
A2803:f800:50::6ca2:c2b9🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjen.ns.cloudflare.com
A2a06:98c1:50::ac40:22b9🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjen.ns.cloudflare.com
A108.162.194.185🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjen.ns.cloudflare.com
A162.159.38.185Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjen.ns.cloudflare.com
A172.64.34.185🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjen.ns.cloudflare.com
NSmitch.ns.cloudflare.com
A2606:4700:58::adf5:3bd0🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmitch.ns.cloudflare.com
A2803:f800:50::6ca2:c1d0🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmitch.ns.cloudflare.com
A2a06:98c1:50::ac40:21d0🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmitch.ns.cloudflare.com
A108.162.193.208🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmitch.ns.cloudflare.com
A172.64.33.208🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmitch.ns.cloudflare.com
A173.245.59.208🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmitch.ns.cloudflare.com
MXmx.stackmail.com ⭐
A185.151.28.67🇬🇧 TWENTYI185.151.28.0/24
PTRmx.stackmail.com
TXTv=spf1 include:spf.stackmail.com a mx -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.6.206, 172.67.135.67
IPv6 hints2606:4700:3030::ac43:8743, 2606:4700:3037::6815:6ce
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=125, name=cloudflare-ech.com
SOAjen.ns.cloudflare.comdns@cloudflare.com serial=2409967650

rocks

DNSSEC🔒 Signed (DS record present)
NSv0n0.nic.rocks ⭐
NSv0n1.nic.rocks
NSv0n2.nic.rocks
NSv0n3.nic.rocks
NSv2n0.nic.rocks
NSv2n1.nic.rocks
SOAv0n0.nic.rockshostmaster@donuts.email serial=1785600540

Same first word

devschool.co.il
devschool.rocks
devschool.de
devschool.ru
devschool.ro
devschool.org
devschool.id
devschool.net
devschool.com

Similar names

vedschool.com
schooldev.net
edvschool.de
schooldev.us
schooldev.com

DNS History

28 records (7 active, 21 former)

2017201820192020202120222023202420252026NSjen.ns.cloudflare.commitch.ns.cloudflare.comevan.ns.cloudflare.comvera.ns.cloudflare.comMXmx.stackmail.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comA104.21.6.206172.67.135.672606:4700:3030::ac43:87432606:4700:3037::6815:6ce104.27.138.63104.27.139.63162.159.246.204162.159.247.204188.114.96.0188.114.97.02400:cb00:2048:1::681b:8a3f2400:cb00:2048:1::681b:8b3f2400:cb00:2048:1::a29f:f6cc2400:cb00:2048:1::a29f:f7cc2606:4700:3034::6815:6ce2606:4700:3037::ac43:87432a06:98c1:3120::2a06:98c1:3121::
○NSevan.ns.cloudflare.com2016-04-03 → 2017-04-20 · 4 obs
● 2016-04-03 01:44:32
● 2017-04-20 00:12:24
○ 2026-06-13 16:46:36
○ 2026-08-01 16:20:10
●NSjen.ns.cloudflare.com2026-06-13 → 2026-08-01 · 3 obs
○ 2017-04-20 00:12:24
● 2026-06-13 16:46:36
● 2026-08-01 16:20:10
●NSmitch.ns.cloudflare.com2026-06-13 → 2026-08-01 · 3 obs
○ 2017-04-20 00:12:24
● 2026-06-13 16:46:36
● 2026-08-01 16:20:10
○NSvera.ns.cloudflare.com2016-04-03 → 2017-04-20 · 4 obs
● 2016-04-03 01:44:32
● 2017-04-20 00:12:24
○ 2026-06-13 16:46:36
○ 2026-08-01 16:20:10
○MXalt1.aspmx.l.google.com2016-04-03 → 2017-04-20 · 4 obs
● 2016-04-03 01:44:32
● 2017-04-20 00:12:24
○ 2026-06-13 16:46:36
○ 2026-08-01 16:20:10
○MXalt2.aspmx.l.google.com2016-04-03 → 2017-04-20 · 4 obs
● 2016-04-03 01:44:32
● 2017-04-20 00:12:24
○ 2026-06-13 16:46:36
○ 2026-08-01 16:20:10
○MXaspmx.l.google.com2016-04-03 → 2017-04-20 · 4 obs
● 2016-04-03 01:44:32
● 2017-04-20 00:12:24
○ 2026-06-13 16:46:36
○ 2026-08-01 16:20:10
○MXaspmx2.googlemail.com2016-04-03 → 2017-04-20 · 4 obs
● 2016-04-03 01:44:32
● 2017-04-20 00:12:24
○ 2026-06-13 16:46:36
○ 2026-08-01 16:20:10
○MXaspmx3.googlemail.com2016-04-03 → 2017-04-20 · 4 obs
● 2016-04-03 01:44:32
● 2017-04-20 00:12:24
○ 2026-06-13 16:46:36
○ 2026-08-01 16:20:10
●MXmx.stackmail.com2026-06-13 → 2026-08-01 · 3 obs
○ 2017-04-20 00:12:24
● 2026-06-13 16:46:36
● 2026-08-01 16:20:10
●A104.21.6.2062026-06-14 → 2026-08-01 · 3 obs
○ 2026-06-13 16:46:36
● 2026-06-14 06:52:14
● 2026-08-01 16:20:10
○A104.27.138.632017-04-20 → 2017-04-20 · 4 obs
○ 2016-04-17 00:10:02
● 2017-04-20 00:12:24
○ 2026-06-13 16:46:36
○ 2026-08-01 16:20:10
○A104.27.139.632017-04-20 → 2017-04-20 · 4 obs
○ 2016-04-17 00:10:02
● 2017-04-20 00:12:24
○ 2026-06-13 16:46:36
○ 2026-08-01 16:20:10
○A162.159.246.2042016-04-03 → 2016-04-17 · 4 obs
● 2016-04-03 01:44:32
● 2016-04-17 00:10:02
○ 2017-04-20 00:12:24
○ 2026-08-01 16:20:10
○A162.159.247.2042016-04-03 → 2016-04-17 · 4 obs
● 2016-04-03 01:44:32
● 2016-04-17 00:10:02
○ 2017-04-20 00:12:24
○ 2026-08-01 16:20:10
●A172.67.135.672026-06-14 → 2026-08-01 · 3 obs
○ 2026-06-13 16:46:36
● 2026-06-14 06:52:14
● 2026-08-01 16:20:10
○A188.114.96.02026-06-13 → 2026-06-13 · 4 obs
○ 2017-04-20 00:12:24
● 2026-06-13 16:46:36
○ 2026-06-14 06:52:14
○ 2026-08-01 16:20:10
○A188.114.97.02026-06-13 → 2026-06-13 · 4 obs
○ 2017-04-20 00:12:24
● 2026-06-13 16:46:36
○ 2026-06-14 06:52:14
○ 2026-08-01 16:20:10
○A2400:cb00:2048:1::681b:8a3f2017-04-20 → 2017-04-20 · 4 obs
○ 2016-04-17 00:10:02
● 2017-04-20 00:12:24
○ 2026-06-13 16:46:36
○ 2026-08-01 16:20:10
○A2400:cb00:2048:1::681b:8b3f2017-04-20 → 2017-04-20 · 4 obs
○ 2016-04-17 00:10:02
● 2017-04-20 00:12:24
○ 2026-06-13 16:46:36
○ 2026-08-01 16:20:10
○A2400:cb00:2048:1::a29f:f6cc2016-04-03 → 2016-04-17 · 4 obs
● 2016-04-03 01:44:32
● 2016-04-17 00:10:02
○ 2017-04-20 00:12:24
○ 2026-08-01 16:20:10
○A2400:cb00:2048:1::a29f:f7cc2016-04-03 → 2016-04-17 · 4 obs
● 2016-04-03 01:44:32
● 2016-04-17 00:10:02
○ 2017-04-20 00:12:24
○ 2026-08-01 16:20:10
●A2606:4700:3030::ac43:87432026-07-23 → 2026-08-01 · 3 obs
○ 2026-06-14 06:52:14
● 2026-07-23 14:33:28
● 2026-08-01 16:20:10
○A2606:4700:3034::6815:6ce2026-06-14 → 2026-06-14 · 4 obs
○ 2026-06-13 16:46:36
● 2026-06-14 06:52:14
○ 2026-07-23 14:33:28
○ 2026-08-01 16:20:10
●A2606:4700:3037::6815:6ce2026-07-23 → 2026-08-01 · 3 obs
○ 2026-06-14 06:52:14
● 2026-07-23 14:33:28
● 2026-08-01 16:20:10
○A2606:4700:3037::ac43:87432026-06-14 → 2026-06-14 · 4 obs
○ 2026-06-13 16:46:36
● 2026-06-14 06:52:14
○ 2026-07-23 14:33:28
○ 2026-08-01 16:20:10
○A2a06:98c1:3120::2026-06-13 → 2026-06-13 · 4 obs
○ 2017-04-20 00:12:24
● 2026-06-13 16:46:36
○ 2026-06-14 06:52:14
○ 2026-08-01 16:20:10
○A2a06:98c1:3121::2026-06-13 → 2026-06-13 · 4 obs
○ 2017-04-20 00:12:24
● 2026-06-13 16:46:36
○ 2026-06-14 06:52:14
○ 2026-08-01 16:20:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
rocksv0n3.nic.rocks, v2n1.nic.rocks, v0n1.nic.rocks, v2n0.nic.rocks...12 records
devschool.rocksmitch.ns.cloudflare.com, jen.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.34.185

NS records: mitch.ns.cloudflare.com, jen.ns.cloudflare.com

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at rocks: Error: DNS query timeout: 161.232.16.35 for DNSKEY rocks

⏱️ Timing

Total: 3242ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.135.67, 104.21.6.206
AAAA22606:4700:3037::6815:6ce, 2606:4700:3030::ac43:8743
NS2jen.ns.cloudflare.com, mitch.ns.cloudflare.com
MX1mx.stackmail.com (pri: 10)
TXT1v=spf1 include:spf.stackmail.com a mx -a
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1jen.ns.cloudflare.com dns.cloudflare.com

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

devschool.rocks directs to four IP numbers, which are 104.21.6.206, 172.67.135.67, 2606:4700:3030::ac43:8743 and 2606:4700:3037::6815:6ce.

openai.semi1.workers.dev, canada-homestay.com, www.financialadvisorbureau.co.uk plus two other host names have IP numbers in common with devschool.rocks.

Name Servers

The NS records for devschool.rocks delegate to jen.ns.cloudflare.com and mitch.ns.cloudflare.com.

The name server configuration of devschool.rocks is shared with other domains, for instance drfheals.com, promobr1.xyz, mamasbakery.net and two others.

There is at least partial name server overlap between devschool.rocks and other domains — blackjackcornerspark.com, digitalreveng.com, aikanbot.com and two more among them.

These name servers frequently co-occur with the name servers rayden.ns.cloudflare.com and logan.ns.cloudflare.com.

Hosts with 6 IP addresses each:

jen.ns.cloudflare.com maps to 108.162.194.185, 162.159.38.185, 172.64.34.185 and 3 additional IP addresses.

mitch.ns.cloudflare.com maps to 108.162.193.208, 172.64.33.208, 173.245.59.208 and 3 additional IP addresses.

Mail Servers

devschool.rocks uses one mail server — mx.stackmail.com.

The mail server setup of devschool.rocks matches that of other domains such as matrixseating.com, nichehost.com, pbw1.com and two others.

mx.stackmail.com resolves to 185.151.28.67 and no other IP number.