linuxtutorial.org - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

linuxtutorial.org

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:3a0🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:82ed🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.3.160Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.130.237🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSkurt.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3bc1🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkurt.ns.cloudflare.com
A2803:f800:50::6ca2:c1c1🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkurt.ns.cloudflare.com
A2a06:98c1:50::ac40:21c1🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkurt.ns.cloudflare.com
A108.162.193.193🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkurt.ns.cloudflare.com
A172.64.33.193🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkurt.ns.cloudflare.com
A173.245.59.193🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkurt.ns.cloudflare.com
NSleia.ns.cloudflare.com
A2606:4700:50::adf5:3ab8🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleia.ns.cloudflare.com
A2803:f800:50::6ca2:c0b8🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRleia.ns.cloudflare.com
A2a06:98c1:50::ac40:20b8🇺🇸 Cloudflare2a06:98c1:50::/45
PTRleia.ns.cloudflare.com
A108.162.192.184🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleia.ns.cloudflare.com
A172.64.32.184🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleia.ns.cloudflare.com
A173.245.58.184🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleia.ns.cloudflare.com
TXTgoogle-site-verification=LypBxRfgXQMTt_iXPyf2NLmhk15lhBVhRg5_MTmbc8c
TXTv=spf1 -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.3.160, 172.67.130.237
IPv6 hints2606:4700:3034::6815:3a0, 2606:4700:3034::ac43:82ed
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=175, name=cloudflare-ech.com
SOAkurt.ns.cloudflare.comdns@cloudflare.com serial=2415350024

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1790342724

Same first word

linuxtutorial.org
linuxtutorial.com
linuxtutorial.net
linuxtutorial.co.uk
linuxtutorial.com.br
linuxtutorial.de

Previous names

linuxtorrents.org
linuxtotal.org
linuxtouchpad.org
linuxtour.org
linuxtowin.org
linuxtoy.org
linuxtoys.org
linuxtracker.org
linuxtrafficmanager.org
linuxtrain.org
linuxtrained.org
linuxtraining.org
linuxtrainingacademy.org
linuxtrainingservices.org
linuxtrend.org
linuxtrends.org
linuxtribe.org
linuxtricks.org
linuxturkiye.org

Next names

linuxtutorials.org
linuxtux.org
linuxtv.org
linuxtweaks.org
linuxtx.org
linuxu.org
linuxuk.org
linuxunbound.org
linuxunited.org
linuxuniversity.org
linuxunix.org
linuxunsw.org
linuxupc.org
linuxupskillchallenge.org
linuxuruguay.org
linuxuser.org
linuxusers.org
linuxusersgroups.org
linuxusr.org
linuxval.org

DNS History

12 records (6 active, 6 former)

20162017201820192020202120222023202420252026NSkurt.ns.cloudflare.comleia.ns.cloudflare.comns1.afternic.comns1.misdns.comns2.afternic.comns2.misdns.comMXjdsubmit.yahoo.comA104.21.3.160172.67.130.2372606:4700:3034::6815:3a02606:4700:3034::ac43:82ed184.168.221.104
●NSkurt.ns.cloudflare.com2026-08-25 → 2026-09-25 · 3 obs
○ 2017-10-14 07:58:36
● 2026-08-25 17:02:18
● 2026-09-25 13:53:52
●NSleia.ns.cloudflare.com2026-08-25 → 2026-09-25 · 3 obs
○ 2017-10-14 07:58:36
● 2026-08-25 17:02:18
● 2026-09-25 13:53:52
○NSns1.afternic.com2016-12-29 → 2017-10-14 · 5 obs
○ 2016-04-30 13:19:54
● 2016-12-29 15:26:34
● 2017-10-14 07:58:36
○ 2026-08-25 17:02:18
○ 2026-09-25 13:53:52
○NSns1.misdns.com2015-08-01 → 2016-04-30 · 4 obs
● 2015-08-01 08:01:32
● 2016-04-30 13:19:54
○ 2016-12-29 15:26:34
○ 2026-09-25 13:53:52
○NSns2.afternic.com2017-10-14 → 2017-10-14 · 4 obs
○ 2016-12-29 15:26:34
● 2017-10-14 07:58:36
○ 2026-08-25 17:02:18
○ 2026-09-25 13:53:52
○NSns2.misdns.com2015-08-01 → 2016-04-30 · 4 obs
● 2015-08-01 08:01:32
● 2016-04-30 13:19:54
○ 2016-12-29 15:26:34
○ 2026-09-25 13:53:52
○MXjdsubmit.yahoo.com2015-08-01 → 2016-04-30 · 4 obs
● 2015-08-01 08:01:32
● 2016-04-30 13:19:54
○ 2016-12-29 15:26:34
○ 2026-09-25 13:53:52
●A104.21.3.1602026-08-25 → 2026-09-25 · 3 obs
○ 2017-10-14 07:58:36
● 2026-08-25 17:02:18
● 2026-09-25 13:53:52
●A172.67.130.2372026-08-25 → 2026-09-25 · 3 obs
○ 2017-10-14 07:58:36
● 2026-08-25 17:02:18
● 2026-09-25 13:53:52
○A184.168.221.1042015-08-01 → 2017-10-14 · 4 obs
● 2015-08-01 08:01:32
● 2017-10-14 07:58:36
○ 2026-08-25 17:02:18
○ 2026-09-25 13:53:52
●A2606:4700:3034::6815:3a02026-08-25 → 2026-09-25 · 3 obs
○ 2017-10-14 07:58:36
● 2026-08-25 17:02:18
● 2026-09-25 13:53:52
●A2606:4700:3034::ac43:82ed2026-08-25 → 2026-09-25 · 3 obs
○ 2017-10-14 07:58:36
● 2026-08-25 17:02:18
● 2026-09-25 13:53:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgd0.org.afilias-nst.org, b0.org.afilias-nst.org, b2.org.afilias-nst.org-
linuxtutorial.orgkurt.ns.cloudflare.com, leia.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.59.193

NS records: kurt.ns.cloudflare.com, leia.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linuxtutorial.org (unsigned zone)

⏱️ Timing

Total: 198ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.3.160, 172.67.130.237
AAAA22606:4700:3034::ac43:82ed, 2606:4700:3034::6815:3a0
NS2kurt.ns.cloudflare.com, leia.ns.cloudflare.com
TXT2google-site-verification=LypBxRfgXQMTt_i, v=spf1 -all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1kurt.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

linuxtutorial.org resolves to four IP addresses: 104.21.3.160, 172.67.130.237, 2606:4700:3034::6815:3a0 and 2606:4700:3034::ac43:82ed.

Among the host names that share IP numbers with linuxtutorial.org are hoteliafrika.com, d8662.top, gid-media.hr and two others.

Name Servers

The NS records for linuxtutorial.org delegate to kurt.ns.cloudflare.com and leia.ns.cloudflare.com.

linuxtutorial.org has the same name server delegation as a number of other domains, such as incomparable-negotiation-donna-davis-973.pages.dev, bintaniopro.com, baryonique.com and two more.

linuxtutorial.org partially shares its NS delegation with several other domains, including samiribrh.com, embowebblling.info, 1wxids.life and two others.

The name servers osmar.ns.cloudflare.com, rachel.ns.cloudflare.com, sunny.ns.cloudflare.com and miki.ns.cloudflare.com are often found in use alongside these name servers.

Host names resolving to 6 IP numbers:

kurt.ns.cloudflare.com maps to 108.162.193.193, 172.64.33.193, 173.245.59.193 and 3 additional IP addresses.

leia.ns.cloudflare.com maps to 108.162.192.184, 172.64.32.184, 173.245.58.184 and 3 additional IP addresses.