linuxadmin.org - dns.ninja

`linuxadmin.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::6815:3107^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:8bfd^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.49.7^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.139.253^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`cheryl.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a53^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cheryl.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c053^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cheryl.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2053^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cheryl.ns.cloudflare.com`
		A	108.162.192.83^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cheryl.ns.cloudflare.com`
		A	172.64.32.83^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cheryl.ns.cloudflare.com`
		A	173.245.58.83^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cheryl.ns.cloudflare.com`
NS	`logan.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bc6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`logan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1c6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`logan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21c6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`logan.ns.cloudflare.com`
		A	108.162.193.198^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`logan.ns.cloudflare.com`
		A	172.64.33.198^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`logan.ns.cloudflare.com`
		A	173.245.59.198^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`logan.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.49.7, 172.67.139.253
		IPv6 hints	2606:4700:3036::6815:3107, 2606:4700:3037::ac43:8bfd
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=49, name=cloudflare-ech.com
SOA	`cheryl.ns.cloudflare.com`dns@cloudflare.com serial=2405298522

`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=1781782706

WOT: SAFE (71/100)

Same first word

linuxadmin.biz

linuxadmin.me

linuxadmin.it

linuxadmin.ru

linuxadmin.eti.br

linuxadmin.io

linuxadmin.xyz

linuxadmin.nl

linuxadmin.us

linuxadmin.cz

linuxadmin.at

linuxadmin.hu

linuxadmin.sk

linuxadmin.pro

linuxadmin.se

linuxadmin.com

linuxadmin.de

linuxadmin.co.uk

linuxadmin.cn

linuxadmin.org

linuxadmin.eu

linuxadmin.ro

linuxadmin.lt

Similar names

adminlinux.blogspot.com.es

adminlinux.com

adminlinux.blogspot.com

DNS History

15 records (6 active, 9 former)

●NScheryl.ns.cloudflare.com2026-02-15 → 2026-06-18 · 3 obs

○ 2017-04-05 14:48:24
● 2026-02-15 02:55:14
● 2026-06-18 11:47:36

●NSlogan.ns.cloudflare.com2026-02-15 → 2026-06-18 · 3 obs

○ 2017-04-05 14:48:24
● 2026-02-15 02:55:14
● 2026-06-18 11:47:36

○NSns1.digitalocean.com2015-08-12 → 2017-04-05 · 4 obs

● 2015-08-12 19:53:40
● 2017-04-05 14:48:24
○ 2026-02-15 02:55:14
○ 2026-06-18 11:47:36

○NSns2.digitalocean.com2015-08-12 → 2017-04-05 · 4 obs

● 2015-08-12 19:53:40
● 2017-04-05 14:48:24
○ 2026-02-15 02:55:14
○ 2026-06-18 11:47:36

○NSns3.digitalocean.com2015-08-12 → 2017-04-05 · 4 obs

● 2015-08-12 19:53:40
● 2017-04-05 14:48:24
○ 2026-02-15 02:55:14
○ 2026-06-18 11:47:36

○MXmx.linuxadmin.org2015-08-12 → 2026-02-16 · 4 obs

● 2015-08-12 19:53:40
● 2026-02-16 00:30:46
○ 2026-02-17 22:40:26
○ 2026-06-18 11:47:36

●A104.21.49.72026-02-15 → 2026-06-18 · 10 obs

○ 2017-04-05 14:48:24
● 2026-02-15 02:55:14
● 2026-02-25 19:26:08
○ 2026-03-19 10:57:46
○ 2026-04-01 03:38:44
● 2026-04-05 07:03:56
○ 2026-04-21 17:11:06
○ 2026-04-30 00:01:32
● 2026-05-20 18:43:36
● 2026-06-18 11:47:36

●A172.67.139.2532026-02-15 → 2026-06-18 · 10 obs

○A188.114.96.02026-03-19 → 2026-04-30 · 8 obs

○ 2026-02-25 19:26:08
● 2026-03-19 10:57:46
● 2026-04-01 03:38:44
○ 2026-04-05 07:03:56
● 2026-04-21 17:11:06
● 2026-04-30 00:01:32
○ 2026-05-20 18:43:36
○ 2026-06-18 11:47:36

○A188.114.97.02026-03-19 → 2026-04-30 · 8 obs

○ 2026-02-25 19:26:08
● 2026-03-19 10:57:46
● 2026-04-01 03:38:44
○ 2026-04-05 07:03:56
● 2026-04-21 17:11:06
● 2026-04-30 00:01:32
○ 2026-05-20 18:43:36
○ 2026-06-18 11:47:36

○A192.241.240.222015-08-12 → 2017-04-05 · 4 obs

● 2015-08-12 19:53:40
● 2017-04-05 14:48:24
○ 2026-02-15 02:55:14
○ 2026-06-18 11:47:36

●A2606:4700:3036::6815:31072026-02-15 → 2026-06-18 · 10 obs

●A2606:4700:3037::ac43:8bfd2026-02-15 → 2026-06-18 · 10 obs

○A2a06:98c1:3120::2026-03-19 → 2026-04-30 · 8 obs

○ 2026-02-25 19:26:08
● 2026-03-19 10:57:46
● 2026-04-01 03:38:44
○ 2026-04-05 07:03:56
● 2026-04-21 17:11:06
● 2026-04-30 00:01:32
○ 2026-05-20 18:43:36
○ 2026-06-18 11:47:36

○A2a06:98c1:3121::2026-03-19 → 2026-04-30 · 8 obs

○ 2026-02-25 19:26:08
● 2026-03-19 10:57:46
● 2026-04-01 03:38:44
○ 2026-04-05 07:03:56
● 2026-04-21 17:11:06
● 2026-04-30 00:01:32
○ 2026-05-20 18:43:36
○ 2026-06-18 11:47:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	a0.org.afilias-nst.info, a2.org.afilias-nst.info, b0.org.afilias-nst.org, b2.org.afilias-nst.org...	12 records
linuxadmin.org	logan.ns.cloudflare.com, cheryl.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.83

NS records: logan.ns.cloudflare.com, cheryl.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linuxadmin.org (unsigned zone)

⏱️ Timing

Total: 573ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.49.7, 172.67.139.253`
AAAA	2	`2606:4700:3036::6815:3107, 2606:4700:3037::ac43:8bfd`
NS	2	`cheryl.ns.cloudflare.com, logan.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`cheryl.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

In-bailiwick: 6 (b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org...)

Out-of-bailiwick: 6 (a0.org.afilias-nst.info, a2.org.afilias-nst.info, c0.org.afilias-nst.info...)

Analysis

IP Addresses

linuxadmin.org directs to four IP numbers, which are 104.21.49.7, 172.67.139.253, 2606:4700:3036::6815:3107 and 2606:4700:3037::ac43:8bfd.

Among the host names that share IP numbers with linuxadmin.org are xoilaczz27.live, nudist.zadniza.com, smartbodynutritioncv.info and two others.

Name Servers

linuxadmin.org uses two name servers for its delegation: cheryl.ns.cloudflare.com and logan.ns.cloudflare.com.

linuxadmin.org has the same name server delegation as a number of other domains, such as lnc-a.info, umtv.info, magicalkingdom.co.uk and two more.

There is at least partial name server overlap between linuxadmin.org and other domains — stic-jnb.com, ranchobuenavista.es, owl-tech.de and two more among them.

These name servers frequently co-occur with the name servers davina.ns.cloudflare.com and adaline.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

Hostname cheryl.ns.cloudflare.com directs to 108.162.192.83, 172.64.32.83 and 173.245.58.83 along with 3 other IP addresses.

Hostname logan.ns.cloudflare.com directs to 108.162.193.198, 172.64.33.198 and 173.245.59.198 along with 3 other IP addresses.