`linuxlearn.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:3222^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:c7f6^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.50.34^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.199.246^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`kami.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3ab1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kami.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0b1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kami.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20b1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kami.ns.cloudflare.com`
		A	108.162.192.177^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kami.ns.cloudflare.com`
		A	172.64.32.177^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kami.ns.cloudflare.com`
		A	173.245.58.177^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kami.ns.cloudflare.com`
NS	`kurt.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bc1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kurt.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1c1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kurt.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21c1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kurt.ns.cloudflare.com`
		A	108.162.193.193^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kurt.ns.cloudflare.com`
		A	172.64.33.193^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kurt.ns.cloudflare.com`
		A	173.245.59.193^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kurt.ns.cloudflare.com`
MX	`mail.linuxlearn.org` ⭐
		A	2a13:ef80::14d0:f35c^{🇮🇷 AS229272000::/3}
		A	31.216.62.24^{🇮🇷 ASIATECH31.216.62.0/24}
TXT	`v=spf1 +mx +a +ip4:31.216.62.24 -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.50.34, 172.67.199.246
		IPv6 hints	2606:4700:3032::6815:3222, 2606:4700:3037::ac43:c7f6
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=96, name=cloudflare-ech.com
SOA	`kami.ns.cloudflare.com`dns@cloudflare.com serial=2408465955

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1783203668

Subdomains

mail.linuxlearn.org

Same first word

linuxlearn.com

linuxlearn.org

linuxlearn.net

Similar names

learnlinux.com

learnlinux.org

learnlinux.org.za

learnlinux.tv

learnlinux.com.br

learnlinux.net

learnlinux.ie

learnlinux.co

learnlinux.info

learnlinux.co.uk

DNS History

19 records (7 active, 12 former)

○NSdns10.hichina.com2016-01-03 → 2016-12-06 · 5 obs

○ 2015-10-23 10:40:20
● 2016-01-03 03:16:08
● 2016-12-06 10:20:38
○ 2018-06-16 20:53:30
○ 2026-07-04 22:55:00

○NSdns9.hichina.com2016-01-03 → 2016-12-06 · 5 obs

○ 2015-10-23 10:40:20
● 2016-01-03 03:16:08
● 2016-12-06 10:20:38
○ 2018-06-16 20:53:30
○ 2026-07-04 22:55:00

●NSkami.ns.cloudflare.com2026-03-22 → 2026-07-04 · 3 obs

○ 2018-06-16 20:53:30
● 2026-03-22 17:18:46
● 2026-07-04 22:55:00

●NSkurt.ns.cloudflare.com2026-03-22 → 2026-07-04 · 3 obs

○ 2018-06-16 20:53:30
● 2026-03-22 17:18:46
● 2026-07-04 22:55:00

○NSns1.oray.net2015-05-30 → 2015-05-30 · 3 obs

● 2015-05-30 11:14:02
○ 2015-10-23 10:40:20
○ 2026-07-04 22:55:00

○NSns2.oray.net2015-05-30 → 2015-05-30 · 3 obs

● 2015-05-30 11:14:02
○ 2015-10-23 10:40:20
○ 2026-07-04 22:55:00

○NSpeanutmail.newpeanut.idc2015-05-30 → 2015-05-30 · 3 obs

● 2015-05-30 11:14:02
○ 2015-10-23 10:40:20
○ 2026-07-04 22:55:00

●MXmail.linuxlearn.org2026-03-22 → 2026-07-04 · 2 obs

● 2026-03-22 17:18:46
● 2026-07-04 22:55:00

●A104.21.50.342026-03-22 → 2026-07-04 · 8 obs

○ 2015-10-23 10:40:20
● 2026-03-22 17:18:46
○ 2026-03-24 07:29:52
● 2026-03-26 07:46:34
○ 2026-03-26 11:26:48
○ 2026-05-13 03:46:02
● 2026-05-22 21:49:08
● 2026-07-04 22:55:00

○A123.57.69.2282015-05-30 → 2015-05-30 · 3 obs

● 2015-05-30 11:14:02
○ 2015-10-23 10:40:20
○ 2026-07-04 22:55:00

●A172.67.199.2462026-03-22 → 2026-07-04 · 8 obs

○ 2015-10-23 10:40:20
● 2026-03-22 17:18:46
○ 2026-03-24 07:29:52
● 2026-03-26 07:46:34
○ 2026-03-26 11:26:48
○ 2026-05-13 03:46:02
● 2026-05-22 21:49:08
● 2026-07-04 22:55:00

○A188.114.96.02026-03-24 → 2026-05-13 · 7 obs

○ 2026-03-22 17:18:46
● 2026-03-24 07:29:52
○ 2026-03-26 07:46:34
● 2026-03-26 11:26:48
● 2026-05-13 03:46:02
○ 2026-05-22 21:49:08
○ 2026-07-04 22:55:00

○A188.114.97.02026-03-24 → 2026-05-13 · 7 obs

○ 2026-03-22 17:18:46
● 2026-03-24 07:29:52
○ 2026-03-26 07:46:34
● 2026-03-26 11:26:48
● 2026-05-13 03:46:02
○ 2026-05-22 21:49:08
○ 2026-07-04 22:55:00

○A2606:4700:3031::ac43:c7f62026-03-22 → 2026-05-25 · 9 obs

○ 2015-10-23 10:40:20
● 2026-03-22 17:18:46
○ 2026-03-24 07:29:52
● 2026-03-26 07:46:34
○ 2026-03-26 11:26:48
○ 2026-05-13 03:46:02
● 2026-05-22 21:49:08
● 2026-05-25 13:03:54
○ 2026-07-04 22:55:00

●A2606:4700:3032::6815:32222026-07-04 → 2026-07-04 · 2 obs

○ 2026-05-25 13:03:54
● 2026-07-04 22:55:00

○A2606:4700:3037::6815:32222026-03-22 → 2026-05-25 · 9 obs

●A2606:4700:3037::ac43:c7f62026-07-04 → 2026-07-04 · 2 obs

○ 2026-05-25 13:03:54
● 2026-07-04 22:55:00

○A2a06:98c1:3120::2026-03-24 → 2026-05-13 · 7 obs

○ 2026-03-22 17:18:46
● 2026-03-24 07:29:52
○ 2026-03-26 07:46:34
● 2026-03-26 11:26:48
● 2026-05-13 03:46:02
○ 2026-05-22 21:49:08
○ 2026-07-04 22:55:00

○A2a06:98c1:3121::2026-03-24 → 2026-05-13 · 7 obs

○ 2026-03-22 17:18:46
● 2026-03-24 07:29:52
○ 2026-03-26 07:46:34
● 2026-03-26 11:26:48
● 2026-05-13 03:46:02
○ 2026-05-22 21:49:08
○ 2026-07-04 22:55:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
linuxlearn.org	kami.ns.cloudflare.com, kurt.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.177

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linuxlearn.org (unsigned zone)

⏱️ Timing

Total: 600ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.199.246, 104.21.50.34`
AAAA	2	`2606:4700:3037::ac43:c7f6, 2606:4700:3032::6815:3222`
NS	2	`kami.ns.cloudflare.com, kurt.ns.cloudflare.com`
MX	1	`mail.linuxlearn.org (pri: 10)`
TXT	1	`v=spf1 +mx +a +ip4:31.216.62.24 -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`kami.ns.cloudflare.com dns.cloudflare.co`

Analysis

Hierarchy

mail.linuxlearn.org is a subdomain of linuxlearn.org.

IP Addresses

linuxlearn.org directs to four IP numbers, which are 104.21.50.34, 172.67.199.246, 2606:4700:3032::6815:3222 and 2606:4700:3037::ac43:c7f6.

Among the host names that share IP numbers with linuxlearn.org are rieter.eu, infocopy.gr, elitizm14.com and two others.

Name Servers

Two name servers handle the delegation for linuxlearn.org: kami.ns.cloudflare.com and kurt.ns.cloudflare.com.

linuxlearn.org has the same name server delegation as a number of other domains, such as mhypzd.shop, charter725.ir, monopolygo.ninja and two more.

The name servers of linuxlearn.org overlap at least partially with those of other domains — among them jm18c-twie.club, talkadot.com, consultoraisis.com and two more.

The name servers evan.ns.cloudflare.com, miki.ns.cloudflare.com and graham.ns.cloudflare.com are commonly seen alongside these name servers.

Host names resolving to 6 IP numbers:

kami.ns.cloudflare.com resolves to 108.162.192.177, 172.64.32.177 and 173.245.58.177 among others, with 3 other IP addresses in total.

kurt.ns.cloudflare.com resolves to 108.162.193.193, 172.64.33.193 and 173.245.59.193 among others, with 3 other IP addresses in total.

Mail Servers

linuxlearn.org routes its mail through a single mail server, mail.linuxlearn.org.

mail.linuxlearn.org resolves to two IP numbers — 31.216.62.24 and 2a13:ef80::14d0:f35c.

linuxlearn.org - robtex.com

linuxlearn.org

org

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`linuxlearn.org`

`org`