linuxscreencasts.org - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

linuxscreencasts.org

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:c95b🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::6815:2ca3🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.44.163Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.201.91🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScass.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a51🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcass.ns.cloudflare.com
A2803:f800:50::6ca2:c051🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcass.ns.cloudflare.com
A2a06:98c1:50::ac40:2051🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcass.ns.cloudflare.com
A108.162.192.81🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcass.ns.cloudflare.com
A172.64.32.81🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcass.ns.cloudflare.com
A173.245.58.81🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcass.ns.cloudflare.com
NSnitin.ns.cloudflare.com
A2606:4700:58::adf5:3bd7🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnitin.ns.cloudflare.com
A2803:f800:50::6ca2:c1d7🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnitin.ns.cloudflare.com
A2a06:98c1:50::ac40:21d7🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnitin.ns.cloudflare.com
A108.162.193.215🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnitin.ns.cloudflare.com
A172.64.33.215🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnitin.ns.cloudflare.com
A173.245.59.215🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnitin.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.44.163, 172.67.201.91
IPv6 hints2606:4700:3030::ac43:c95b, 2606:4700:3031::6815:2ca3
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=248, name=cloudflare-ech.com
SOAcass.ns.cloudflare.comdns@cloudflare.com serial=2412548819

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=1787775665

Same first word

linuxscreencasts.org

Previous names

linuxrobots.org
linuxrocket.org
linuxroot.org
linuxroots.org
linuxrouter.org
linuxrouterproject.org
linuxrouters.org
linuxrpms.org
linuxru.org
linuxrulz.org
linuxrus.org
linuxs.org
linuxsa.org
linuxsalt.org
linuxsalto.org
linuxsampler.org
linuxschmiede.org
linuxschool.org
linuxscouter.org

Next names

linuxscreenshots.org
linuxscripts.org
linuxsearch.org
linuxsec.org
linuxsecurity.org
linuxseed.org
linuxsense.org
linuxserv.org
linuxserver.org
linuxserverhosting.org
linuxservermanagement.org
linuxservers.org
linuxservices.org
linuxshell.org
linuxshot.org
linuxshowcase.org
linuxside.org
linuxsig.org

DNS History

12 records (6 active, 6 former)

NScass.ns.cloudflare.comnitin.ns.cloudflare.comA104.21.44.163172.67.201.912606:4700:3030::ac43:c95b2606:4700:3031::6815:2ca3188.114.96.0188.114.97.02606:4700:3033::6815:2ca32606:4700:3036::ac43:c95b2a06:98c1:3120::2a06:98c1:3121::
●NScass.ns.cloudflare.com2026-04-15 → 2026-08-26 · 2 obs
● 2026-04-15 01:55:12
● 2026-08-26 20:48:32
●NSnitin.ns.cloudflare.com2026-04-15 → 2026-08-26 · 2 obs
● 2026-04-15 01:55:12
● 2026-08-26 20:48:32
●A104.21.44.1632026-04-15 → 2026-08-26 · 5 obs
● 2026-04-15 01:55:12
● 2026-06-05 13:14:38
○ 2026-06-09 18:52:20
● 2026-08-26 20:48:28
● 2026-08-26 20:48:32
●A172.67.201.912026-04-15 → 2026-08-26 · 5 obs
● 2026-04-15 01:55:12
● 2026-06-05 13:14:38
○ 2026-06-09 18:52:20
● 2026-08-26 20:48:28
● 2026-08-26 20:48:32
○A188.114.96.02026-06-09 → 2026-06-09 · 4 obs
○ 2026-06-05 13:14:38
● 2026-06-09 18:52:20
○ 2026-08-26 20:48:28
○ 2026-08-26 20:48:32
○A188.114.97.02026-06-09 → 2026-06-09 · 4 obs
○ 2026-06-05 13:14:38
● 2026-06-09 18:52:20
○ 2026-08-26 20:48:28
○ 2026-08-26 20:48:32
●A2606:4700:3030::ac43:c95b2026-08-26 → 2026-08-26 · 3 obs
○ 2026-06-09 18:52:20
● 2026-08-26 20:48:28
● 2026-08-26 20:48:32
●A2606:4700:3031::6815:2ca32026-08-26 → 2026-08-26 · 3 obs
○ 2026-06-09 18:52:20
● 2026-08-26 20:48:28
● 2026-08-26 20:48:32
○A2606:4700:3033::6815:2ca32026-04-15 → 2026-06-05 · 4 obs
● 2026-04-15 01:55:12
● 2026-06-05 13:14:38
○ 2026-06-09 18:52:20
○ 2026-08-26 20:48:32
○A2606:4700:3036::ac43:c95b2026-04-15 → 2026-06-05 · 4 obs
● 2026-04-15 01:55:12
● 2026-06-05 13:14:38
○ 2026-06-09 18:52:20
○ 2026-08-26 20:48:32
○A2a06:98c1:3120::2026-06-09 → 2026-06-09 · 4 obs
○ 2026-06-05 13:14:38
● 2026-06-09 18:52:20
○ 2026-08-26 20:48:28
○ 2026-08-26 20:48:32
○A2a06:98c1:3121::2026-06-09 → 2026-06-09 · 4 obs
○ 2026-06-05 13:14:38
● 2026-06-09 18:52:20
○ 2026-08-26 20:48:28
○ 2026-08-26 20:48:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
linuxscreencasts.orgnitin.ns.cloudflare.com, cass.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.59.215

NS records: nitin.ns.cloudflare.com, cass.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linuxscreencasts.org (unsigned zone)

⏱️ Timing

Total: 1581ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.44.163, 172.67.201.91
AAAA22606:4700:3030::ac43:c95b, 2606:4700:3031::6815:2ca3
NS2cass.ns.cloudflare.com, nitin.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1cass.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

linuxscreencasts.org directs to four IP numbers, which are 104.21.44.163, 172.67.201.91, 2606:4700:3030::ac43:c95b and 2606:4700:3031::6815:2ca3.

Additional host names — ruilongzy.com, belgeport.org, www.global-trust.com and two others — share IP numbers with linuxscreencasts.org.

Name Servers

linuxscreencasts.org uses two name servers for its delegation: cass.ns.cloudflare.com and nitin.ns.cloudflare.com.

linuxscreencasts.org shares its name server setup with other domains, including books2sell.net, webuzmani.net, gingerzone.net and two others.

The name servers of linuxscreencasts.org overlap at least partially with those of other domains — among them bt215.com, sylvanoaks.com, teambalancer.pages.dev and two more.

These name servers commonly appear in combination with the name servers aragorn.ns.cloudflare.com.

Host names with 6 IP numbers:

Hostname cass.ns.cloudflare.com directs to 108.162.192.81, 172.64.32.81 and 173.245.58.81 along with 3 other IP addresses.

Hostname nitin.ns.cloudflare.com directs to 108.162.193.215, 172.64.33.215 and 173.245.59.215 along with 3 other IP addresses.