unixtutorial.org - dns.ninja

`unixtutorial.org`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:3031::6815:5925^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:894a^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.89.37^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.137.74^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`alec.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b3b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alec.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c13b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`alec.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:213b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`alec.ns.cloudflare.com`
		A	108.162.193.59^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alec.ns.cloudflare.com`
		A	172.64.33.59^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alec.ns.cloudflare.com`
		A	173.245.59.59^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alec.ns.cloudflare.com`
NS	`beth.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a67^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`beth.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c067^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`beth.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2067^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`beth.ns.cloudflare.com`
		A	108.162.192.103^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`beth.ns.cloudflare.com`
		A	172.64.32.103^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`beth.ns.cloudflare.com`
		A	173.245.58.103^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`beth.ns.cloudflare.com`
MX	`unixtutorial-org.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::1^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00401.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::5^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db3pr0202cu00205.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::a^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-du0pr03cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::1^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as9pr07cu00301.inbound.protection.outlook.com`
		A	52.101.68.3^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00403.inbound.protection.outlook.com`
		A	52.101.68.25^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db8pr02cu00101.inbound.protection.outlook.com`
		A	52.101.68.39^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00607.inbound.protection.outlook.com`
		A	52.101.73.19^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr04cu00803.inbound.protection.outlook.com`
TXT	`MS=ms32286302`
TXT	`ahrefs-site-verification_8efc69b0fa88b2ce4457da691715ef1305eab5df7eee25d50cdb...`
TXT	`google-site-verification=aNsImeRQiiBQq_ViwQk9UKsQMLQpEYk1I5Eib169Ops`
TXT	`keybase-site-verification=gBA-YRoa0VhhKaO2h1p6ca8kYhBTPFklvHZjxKVtER4`
TXT	`v=spf1 include:_spf.google.com include:spf.protection.outlook.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.89.37, 172.67.137.74
		IPv6 hints	2606:4700:3031::6815:5925, 2606:4700:3037::ac43:894a
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=193, name=cloudflare-ech.com
SOA	`alec.ns.cloudflare.com`dns@cloudflare.com serial=2409092497

`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=1783734863

rank #570512 globally
rank #43599 in the tld
WOT: SAFE (90/100)

Previously NS for

unixtutorial.org

Subdomains

cdn.unixtutorial.org

Same first word

unixtutorial.org

unixtutorial.s3.amazonaws.com

unixtutorial.com

Similar names

tutorialinux.com

DNS History

25 records (7 active, 18 former)

●NSalec.ns.cloudflare.com2015-10-28 → 2026-07-11 · 6 obs

○ 2015-06-13 05:33:38
● 2015-10-28 22:51:40
○ 2016-01-24 01:17:00
○ 2016-04-22 19:40:26
● 2017-01-09 15:28:54
● 2026-07-11 02:15:28

●NSbeth.ns.cloudflare.com2015-10-28 → 2026-07-11 · 6 obs

○ 2015-06-13 05:33:38
● 2015-10-28 22:51:40
○ 2016-01-24 01:17:00
○ 2016-04-22 19:40:26
● 2017-01-09 15:28:54
● 2026-07-11 02:15:28

○NSns.reys.net2016-01-24 → 2016-04-22 · 5 obs

○ 2015-10-28 22:51:40
● 2016-01-24 01:17:00
● 2016-04-22 19:40:26
○ 2017-01-09 15:28:54
○ 2026-07-11 02:15:28

○NSns.techstack.cc2016-01-24 → 2016-04-22 · 5 obs

○ 2015-10-28 22:51:40
● 2016-01-24 01:17:00
● 2016-04-22 19:40:26
○ 2017-01-09 15:28:54
○ 2026-07-11 02:15:28

○NSns.techstack.ie2016-01-24 → 2016-04-22 · 5 obs

○ 2015-10-28 22:51:40
● 2016-01-24 01:17:00
● 2016-04-22 19:40:26
○ 2017-01-09 15:28:54
○ 2026-07-11 02:15:28

○NSns1.reys.net2015-06-13 → 2015-06-13 · 3 obs

● 2015-06-13 05:33:38
○ 2015-10-28 22:51:40
○ 2026-07-11 02:15:28

○NSns2.reys.net2015-06-13 → 2015-06-13 · 3 obs

● 2015-06-13 05:33:38
○ 2015-10-28 22:51:40
○ 2026-07-11 02:15:28

○NSunixtutorial.org2015-06-13 → 2016-04-22 · 6 obs

● 2015-06-13 05:33:38
○ 2015-10-28 22:51:40
● 2016-01-24 01:17:00
● 2016-04-22 19:40:26
○ 2017-01-09 15:28:54
○ 2026-07-11 02:15:28

○MXin1-smtp.messagingengine.com2017-01-09 → 2017-01-09 · 4 obs

○ 2016-04-22 19:40:26
● 2017-01-09 15:28:54
○ 2026-03-04 09:43:58
○ 2026-07-11 02:15:28

○MXin2-smtp.messagingengine.com2017-01-09 → 2017-01-09 · 4 obs

○ 2016-04-22 19:40:26
● 2017-01-09 15:28:54
○ 2026-03-04 09:43:58
○ 2026-07-11 02:15:28

○MXm1.reys.net2015-06-13 → 2016-04-22 · 4 obs

● 2015-06-13 05:33:38
● 2016-04-22 19:40:26
○ 2017-01-09 15:28:54
○ 2026-07-11 02:15:28

○MXm2.reys.net2015-06-13 → 2016-04-22 · 4 obs

● 2015-06-13 05:33:38
● 2016-04-22 19:40:26
○ 2017-01-09 15:28:54
○ 2026-07-11 02:15:28

●MXunixtutorial-org.mail.protection.outlook.com2026-03-04 → 2026-07-11 · 3 obs

○ 2017-01-09 15:28:54
● 2026-03-04 09:43:58
● 2026-07-11 02:15:28

●A104.21.89.372026-05-12 → 2026-07-11 · 6 obs

○ 2026-05-12 10:42:36
● 2026-05-12 13:17:44
● 2026-06-09 11:30:38
○ 2026-06-18 20:20:22
● 2026-07-04 06:42:52
● 2026-07-11 02:15:28

●A172.67.137.742026-05-12 → 2026-07-11 · 6 obs

○ 2026-05-12 10:42:36
● 2026-05-12 13:17:44
● 2026-06-09 11:30:38
○ 2026-06-18 20:20:22
● 2026-07-04 06:42:52
● 2026-07-11 02:15:28

○A188.114.96.02026-03-04 → 2026-06-18 · 8 obs

○ 2017-01-09 15:28:54
● 2026-03-04 09:43:58
● 2026-05-12 10:42:36
○ 2026-05-12 13:17:44
○ 2026-06-09 11:30:38
● 2026-06-18 20:20:22
○ 2026-07-04 06:42:52
○ 2026-07-11 02:15:28

○A188.114.97.02026-03-04 → 2026-06-18 · 8 obs

○ 2017-01-09 15:28:54
● 2026-03-04 09:43:58
● 2026-05-12 10:42:36
○ 2026-05-12 13:17:44
○ 2026-06-09 11:30:38
● 2026-06-18 20:20:22
○ 2026-07-04 06:42:52
○ 2026-07-11 02:15:28

○A2606:4700:3030::ac43:894a2026-05-12 → 2026-06-09 · 5 obs

○ 2026-05-12 10:42:36
● 2026-05-12 13:17:44
● 2026-06-09 11:30:38
○ 2026-06-18 20:20:22
○ 2026-07-11 02:15:28

●A2606:4700:3031::6815:59252026-07-04 → 2026-07-11 · 3 obs

○ 2026-06-18 20:20:22
● 2026-07-04 06:42:52
● 2026-07-11 02:15:28

○A2606:4700:3032::6815:59252026-05-12 → 2026-06-09 · 5 obs

○ 2026-05-12 10:42:36
● 2026-05-12 13:17:44
● 2026-06-09 11:30:38
○ 2026-06-18 20:20:22
○ 2026-07-11 02:15:28

●A2606:4700:3037::ac43:894a2026-07-04 → 2026-07-11 · 3 obs

○ 2026-06-18 20:20:22
● 2026-07-04 06:42:52
● 2026-07-11 02:15:28

○A2a06:98c1:3120::2026-03-04 → 2026-06-18 · 8 obs

○ 2017-01-09 15:28:54
● 2026-03-04 09:43:58
● 2026-05-12 10:42:36
○ 2026-05-12 13:17:44
○ 2026-06-09 11:30:38
● 2026-06-18 20:20:22
○ 2026-07-04 06:42:52
○ 2026-07-11 02:15:28

○A2a06:98c1:3121::2026-03-04 → 2026-06-18 · 8 obs

○ 2017-01-09 15:28:54
● 2026-03-04 09:43:58
● 2026-05-12 10:42:36
○ 2026-05-12 13:17:44
○ 2026-06-09 11:30:38
● 2026-06-18 20:20:22
○ 2026-07-04 06:42:52
○ 2026-07-11 02:15:28

○A46.4.132.1712015-06-13 → 2016-04-22 · 4 obs

● 2015-06-13 05:33:38
● 2016-04-22 19:40:26
○ 2017-01-09 15:28:54
○ 2026-07-11 02:15:28

○A52.31.151.562017-01-09 → 2017-01-09 · 4 obs

○ 2016-04-22 19:40:26
● 2017-01-09 15:28:54
○ 2026-03-04 09:43:58
○ 2026-07-11 02:15:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
unixtutorial.org	beth.ns.cloudflare.com, alec.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.103

NS records: beth.ns.cloudflare.com, alec.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 662ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.89.37, 172.67.137.74`
AAAA	2	`2606:4700:3031::6815:5925, 2606:4700:3037::ac43:894a`
NS	2	`alec.ns.cloudflare.com, beth.ns.cloudflare.com`
MX	1	`unixtutorial-org.mail.protection.outlook`
TXT	5	`MS=ms32286302, ahrefs-site-verification_8efc69b0fa88b2c...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`alec.ns.cloudflare.com dns.cloudflare.co`

Analysis

Hierarchy

unixtutorial.org serves as the parent of cdn.unixtutorial.org.

IP Addresses

unixtutorial.org has four IP addresses: 104.21.89.37, 172.67.137.74, 2606:4700:3031::6815:5925 and 2606:4700:3037::ac43:894a.

Among the host names that share IP numbers with unixtutorial.org are www.felder-canada.ca, zatenge.net, visiontoken.sbs and two others.

Name Servers

unixtutorial.org uses two name servers for its delegation: alec.ns.cloudflare.com and beth.ns.cloudflare.com.

unixtutorial.org has the same name server delegation as a number of other domains, such as mentalist-tv.top, bigbangtheory.top, velvek.top and two more.

unixtutorial.org has at least partial name server overlap with other domains, such as nulogx.com, purchinex.com, yi0jwbpp5wbdhbuy31if6dqbh566gv7r.top and two others.

It is common to find these name servers paired with the name servers daisy.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

Hostname alec.ns.cloudflare.com directs to 108.162.193.59, 172.64.33.59 and 173.245.59.59 along with 3 other IP addresses.

Hostname beth.ns.cloudflare.com directs to 108.162.192.103, 172.64.32.103 and 173.245.58.103 along with 3 other IP addresses.

Mail Servers

unixtutorial.org routes its mail through a single mail server, unixtutorial-org.mail.protection.outlook.com.

unixtutorial-org.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.68.3, 52.101.68.25 and 52.101.68.39, along with 5 other.