computerscience.guide - dns.ninja

computerscience.guide

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:5a2c🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:c2f1🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.90.44Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.194.241🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NShank.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b74🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhank.ns.cloudflare.com
A2803:f800:50::6ca2:c174🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRhank.ns.cloudflare.com
A2a06:98c1:50::ac40:2174🇺🇸 Cloudflare2a06:98c1:50::/45
PTRhank.ns.cloudflare.com
A108.162.193.116🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhank.ns.cloudflare.com
A172.64.33.116🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhank.ns.cloudflare.com
A173.245.59.116🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhank.ns.cloudflare.com
NSivy.ns.cloudflare.com
A2606:4700:50::adf5:3a78🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRivy.ns.cloudflare.com
A2803:f800:50::6ca2:c078🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRivy.ns.cloudflare.com
A2a06:98c1:50::ac40:2078🇺🇸 Cloudflare2a06:98c1:50::/45
PTRivy.ns.cloudflare.com
A108.162.192.120🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRivy.ns.cloudflare.com
A172.64.32.120🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRivy.ns.cloudflare.com
A173.245.58.120🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRivy.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.90.44, 172.67.194.241
IPv6 hints2606:4700:3034::6815:5a2c, 2606:4700:3034::ac43:c2f1
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=155, name=cloudflare-ech.com
SOAhank.ns.cloudflare.comdns@cloudflare.com serial=2403527562

guide

DNSSEC🔒 Signed (DS record present)
NSv0n0.nic.guide ⭐
NSv0n1.nic.guide
NSv0n2.nic.guide
NSv0n3.nic.guide
NSv2n0.nic.guide
NSv2n1.nic.guide
SOAv0n0.nic.guidehostmaster@donuts.email serial=1782552683
🔒 HSTS Preload (+subdomains)

Same first word

computerscience.academy
computerscience.cz
computerscience.guide
computerscience.gr
computerscience.org
computerscience.training
computerscience.us
computerscience.es
computerscience.jp
computerscience.se
computerscience.at
computerscience.de
computerscience.nl
computerscience.dk
computerscience.ru
computerscience.com
computerscience.codes
computerscience.build
computerscience.co
computerscience.ch
computerscience.in

DNS History

17 records (6 active, 11 former)

2017201820192020202120222023202420252026NShank.ns.cloudflare.comivy.ns.cloudflare.compdns07.domaincontrol.compdns08.domaincontrol.comMXmailstore1.secureserver.netsmtp.secureserver.netA104.21.90.44172.67.194.2412606:4700:3034::6815:5a2c2606:4700:3034::ac43:c2f1184.168.221.16188.114.96.0188.114.97.02606:4700:3030::ac43:c2f12606:4700:3031::6815:5a2c2a06:98c1:3120::2a06:98c1:3121::
●NShank.ns.cloudflare.com2026-02-15 → 2026-06-27 · 3 obs
○ 2017-08-07 18:53:30
● 2026-02-15 08:47:00
● 2026-06-27 10:29:54
●NSivy.ns.cloudflare.com2026-02-15 → 2026-06-27 · 3 obs
○ 2017-08-07 18:53:30
● 2026-02-15 08:47:00
● 2026-06-27 10:29:54
○NSpdns07.domaincontrol.com2016-12-10 → 2016-12-10 · 3 obs
● 2016-12-10 18:11:40
○ 2017-08-07 18:53:30
○ 2026-06-27 10:29:54
○NSpdns08.domaincontrol.com2016-12-10 → 2016-12-10 · 3 obs
● 2016-12-10 18:11:40
○ 2017-08-07 18:53:30
○ 2026-06-27 10:29:54
○MXmailstore1.secureserver.net2016-12-10 → 2016-12-10 · 3 obs
● 2016-12-10 18:11:40
○ 2017-08-07 18:53:30
○ 2026-06-27 10:29:54
○MXsmtp.secureserver.net2016-12-10 → 2016-12-10 · 3 obs
● 2016-12-10 18:11:40
○ 2017-08-07 18:53:30
○ 2026-06-27 10:29:54
●A104.21.90.442026-02-15 → 2026-06-27 · 9 obs
○ 2017-08-07 18:53:30
● 2026-02-15 08:47:00
● 2026-05-13 12:33:36
○ 2026-05-31 09:46:52
● 2026-06-06 15:57:04
● 2026-06-11 06:50:08
○ 2026-06-15 16:06:04
● 2026-06-19 14:29:10
● 2026-06-27 10:29:54
●A172.67.194.2412026-02-15 → 2026-06-27 · 9 obs
○ 2017-08-07 18:53:30
● 2026-02-15 08:47:00
● 2026-05-13 12:33:36
○ 2026-05-31 09:46:52
● 2026-06-06 15:57:04
● 2026-06-11 06:50:08
○ 2026-06-15 16:06:04
● 2026-06-19 14:29:10
● 2026-06-27 10:29:54
○A184.168.221.162016-12-10 → 2016-12-10 · 3 obs
● 2016-12-10 18:11:40
○ 2017-08-07 18:53:30
○ 2026-06-27 10:29:54
○A188.114.96.02026-05-31 → 2026-06-15 · 7 obs
○ 2026-05-13 12:33:36
● 2026-05-31 09:46:52
○ 2026-06-06 15:57:04
○ 2026-06-11 06:50:08
● 2026-06-15 16:06:04
○ 2026-06-19 14:29:10
○ 2026-06-27 10:29:54
○A188.114.97.02026-05-31 → 2026-06-15 · 7 obs
○ 2026-05-13 12:33:36
● 2026-05-31 09:46:52
○ 2026-06-06 15:57:04
○ 2026-06-11 06:50:08
● 2026-06-15 16:06:04
○ 2026-06-19 14:29:10
○ 2026-06-27 10:29:54
○A2606:4700:3030::ac43:c2f12026-02-15 → 2026-06-19 · 10 obs
○ 2017-08-07 18:53:30
● 2026-02-15 08:47:00
● 2026-05-13 12:33:36
○ 2026-05-31 09:46:52
● 2026-06-06 15:57:04
● 2026-06-11 06:50:08
○ 2026-06-15 16:06:04
● 2026-06-19 14:29:10
○ 2026-06-27 08:37:44
○ 2026-06-27 10:29:54
○A2606:4700:3031::6815:5a2c2026-02-15 → 2026-06-19 · 10 obs
○ 2017-08-07 18:53:30
● 2026-02-15 08:47:00
● 2026-05-13 12:33:36
○ 2026-05-31 09:46:52
● 2026-06-06 15:57:04
● 2026-06-11 06:50:08
○ 2026-06-15 16:06:04
● 2026-06-19 14:29:10
○ 2026-06-27 08:37:44
○ 2026-06-27 10:29:54
●A2606:4700:3034::6815:5a2c2026-06-27 → 2026-06-27 · 3 obs
○ 2026-06-19 14:29:10
● 2026-06-27 08:37:44
● 2026-06-27 10:29:54
●A2606:4700:3034::ac43:c2f12026-06-27 → 2026-06-27 · 3 obs
○ 2026-06-19 14:29:10
● 2026-06-27 08:37:44
● 2026-06-27 10:29:54
○A2a06:98c1:3120::2026-05-31 → 2026-06-15 · 7 obs
○ 2026-05-13 12:33:36
● 2026-05-31 09:46:52
○ 2026-06-06 15:57:04
○ 2026-06-11 06:50:08
● 2026-06-15 16:06:04
○ 2026-06-19 14:29:10
○ 2026-06-27 10:29:54
○A2a06:98c1:3121::2026-05-31 → 2026-06-15 · 7 obs
○ 2026-05-13 12:33:36
● 2026-05-31 09:46:52
○ 2026-06-06 15:57:04
○ 2026-06-11 06:50:08
● 2026-06-15 16:06:04
○ 2026-06-19 14:29:10
○ 2026-06-27 10:29:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
guidev0n0.nic.guide, v0n1.nic.guide, v0n2.nic.guide, v0n3.nic.guide...12 records
computerscience.guideivy.ns.cloudflare.com, hank.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.120

NS records: ivy.ns.cloudflare.com, hank.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for computerscience.guide (unsigned zone)

⏱️ Timing

Total: 704ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.90.44, 172.67.194.241
AAAA22606:4700:3034::ac43:c2f1, 2606:4700:3034::6815:5a2c
NS2hank.ns.cloudflare.com, ivy.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1hank.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n0.nic.guide, v0n1.nic.guide, v0n2.nic.guide...)

Analysis

IP Addresses

computerscience.guide has four IP addresses: 104.21.90.44, 172.67.194.241, 2606:4700:3034::6815:5a2c and 2606:4700:3034::ac43:c2f1.

amp.maximilliabout.shop, bustabit.club, leafuzs332673.wikipresses.com plus two other host names have IP numbers in common with computerscience.guide.

Name Servers

computerscience.guide has two authoritative name servers — hank.ns.cloudflare.com and ivy.ns.cloudflare.com.

The name server configuration of computerscience.guide is shared with other domains, for instance edugames.ch, mlol.com.br, nmci.nl and two others.

computerscience.guide shares at least some of its name servers with other domains, including mrprofootball.com, dragon-dev.com, eiqsa.com.mx and two others.

These name servers are frequently paired with the name servers shubhi.ns.cloudflare.com and arnold.ns.cloudflare.com.

Hosts with 6 IP addresses each:

hank.ns.cloudflare.com points to 108.162.193.116, 172.64.33.116, 173.245.59.116 and 3 other IP addresses.

ivy.ns.cloudflare.com points to 108.162.192.120, 172.64.32.120, 173.245.58.120 and 3 other IP addresses.