linuxgnu.org - dns.ninja

`linuxgnu.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::ac43:d58e^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:32e9^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.50.233^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.213.142^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`irma.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3aa6^{Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	2803:f800:50::6ca2:c0a6^{Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
		A	2a06:98c1:50::ac40:20a6^{Cloudflare2a06:98c1:50::/45}
		A	108.162.192.166^{Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.32.166^{Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	173.245.58.166^{Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`jonah.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bba^{Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	2803:f800:50::6ca2:c1ba^{Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
		A	2a06:98c1:50::ac40:21ba^{Cloudflare2a06:98c1:50::/45}
		A	108.162.193.186^{Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.33.186^{Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	173.245.59.186^{Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c23::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f26.1e100.net`
		A	192.178.155.26^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4023:2803::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`lcausr-in-f27.1e100.net`
		A	172.217.216.26^{🇺🇸 Google172.217.0.0/16}
			PTR	`lcausr-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4023:3003::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yulnkjt-in-f26.1e100.net`
		A	172.253.145.27^{🇺🇸 Google172.253.145.0/24}
			PTR	`yulnkjt-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4023:1015::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yudfwta-in-f26.1e100.net`
		A	172.253.135.26^{🇺🇸 Google172.253.135.0/24}
			PTR	`yudfwta-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`google-site-verification=-EnE7QrEjiqCPvw72cJcTR9p1Mw6DXgILcwBSSgrizE`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.50.233, 172.67.213.142
		IPv6 hints	2606:4700:3035::ac43:d58e, 2606:4700:3036::6815:32e9
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=86, name=cloudflare-ech.com
SOA	`irma.ns.cloudflare.com`dns@cloudflare.com serial=2408695476

`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=1783250877

Same first word

linuxgnu.com

linuxgnu.net

linuxgnu.de

linuxgnu.org

Similar names

DNS History

22 records (11 active, 11 former)

●NSirma.ns.cloudflare.com2020-02-14 → 2026-07-07 · 3 obs

○ 2016-12-30 01:14:34
● 2020-02-14 12:16:58
● 2026-07-07 02:32:18

●NSjonah.ns.cloudflare.com2020-02-14 → 2026-07-07 · 3 obs

○ 2016-12-30 01:14:34
● 2020-02-14 12:16:58
● 2026-07-07 02:32:18

○NSns1.alidns.com2016-12-30 → 2016-12-30 · 4 obs

○ 2016-04-24 10:56:26
● 2016-12-30 01:14:34
○ 2020-02-14 12:16:58
○ 2026-07-07 02:32:18

○NSns2.alidns.com2016-12-30 → 2016-12-30 · 4 obs

○ 2016-04-24 10:56:26
● 2016-12-30 01:14:34
○ 2020-02-14 12:16:58
○ 2026-07-07 02:32:18

○NSns55.domaincontrol.com2015-08-09 → 2016-04-24 · 4 obs

● 2015-08-09 17:55:58
● 2016-04-24 10:56:26
○ 2016-12-30 01:14:34
○ 2026-07-07 02:32:18

○NSns56.domaincontrol.com2015-08-09 → 2016-04-24 · 4 obs

● 2015-08-09 17:55:58
● 2016-04-24 10:56:26
○ 2016-12-30 01:14:34
○ 2026-07-07 02:32:18

●MXalt1.aspmx.l.google.com2015-08-09 → 2026-07-07 · 2 obs

● 2015-08-09 17:55:58
● 2026-07-07 02:32:18

●MXalt2.aspmx.l.google.com2015-08-09 → 2026-07-07 · 2 obs

● 2015-08-09 17:55:58
● 2026-07-07 02:32:18

●MXalt3.aspmx.l.google.com2020-02-14 → 2026-07-07 · 3 obs

○ 2016-12-30 01:14:34
● 2020-02-14 12:16:58
● 2026-07-07 02:32:18

●MXalt4.aspmx.l.google.com2020-02-14 → 2026-07-07 · 3 obs

○ 2016-12-30 01:14:34
● 2020-02-14 12:16:58
● 2026-07-07 02:32:18

●MXaspmx.l.google.com2015-08-09 → 2026-07-07 · 2 obs

● 2015-08-09 17:55:58
● 2026-07-07 02:32:18

○MXaspmx2.googlemail.com2015-08-09 → 2016-12-30 · 4 obs

● 2015-08-09 17:55:58
● 2016-12-30 01:14:34
○ 2020-02-14 12:16:58
○ 2026-07-07 02:32:18

○MXaspmx3.googlemail.com2015-08-09 → 2016-12-30 · 4 obs

● 2015-08-09 17:55:58
● 2016-12-30 01:14:34
○ 2020-02-14 12:16:58
○ 2026-07-07 02:32:18

●A104.21.50.2332026-03-01 → 2026-07-07 · 3 obs

○ 2020-02-14 12:16:58
● 2026-03-01 05:24:34
● 2026-07-07 02:32:18

○A104.24.96.492020-02-14 → 2020-02-14 · 4 obs

○ 2016-12-30 01:14:34
● 2020-02-14 12:16:58
○ 2026-03-01 05:24:34
○ 2026-07-07 02:32:18

○A104.24.97.492020-02-14 → 2020-02-14 · 4 obs

○ 2016-12-30 01:14:34
● 2020-02-14 12:16:58
○ 2026-03-01 05:24:34
○ 2026-07-07 02:32:18

●A172.67.213.1422026-03-01 → 2026-07-07 · 3 obs

○ 2020-02-14 12:16:58
● 2026-03-01 05:24:34
● 2026-07-07 02:32:18

○A199.204.23.2542015-08-09 → 2016-04-24 · 4 obs

● 2015-08-09 17:55:58
● 2016-04-24 10:56:26
○ 2016-12-30 01:14:34
○ 2026-07-07 02:32:18

○A2606:4700:3033::6818:60312020-02-14 → 2020-02-14 · 4 obs

○ 2016-12-30 01:14:34
● 2020-02-14 12:16:58
○ 2026-03-01 05:24:34
○ 2026-07-07 02:32:18

●A2606:4700:3035::ac43:d58e2026-03-01 → 2026-07-07 · 3 obs

○ 2020-02-14 12:16:58
● 2026-03-01 05:24:34
● 2026-07-07 02:32:18

●A2606:4700:3036::6815:32e92026-03-01 → 2026-07-07 · 3 obs

○ 2020-02-14 12:16:58
● 2026-03-01 05:24:34
● 2026-07-07 02:32:18

○A2606:4700:3037::6818:61312020-02-14 → 2020-02-14 · 4 obs

○ 2016-12-30 01:14:34
● 2020-02-14 12:16:58
○ 2026-03-01 05:24:34
○ 2026-07-07 02:32:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
linuxgnu.org	irma.ns.cloudflare.com, jonah.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.186

NS records: irma.ns.cloudflare.com, jonah.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linuxgnu.org (unsigned zone)

⏱️ Timing

Total: 3296ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.213.142, 104.21.50.233`
AAAA	2	`2606:4700:3036::6815:32e9, 2606:4700:3035::ac43:d58e`
NS	2	`irma.ns.cloudflare.com, jonah.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	2	`google-site-verification=-EnE7QrEjiqCPvw, v=spf1 include:_spf.google.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`irma.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

linuxgnu.org directs to four IP numbers, which are 104.21.50.233, 172.67.213.142, 2606:4700:3035::ac43:d58e and 2606:4700:3036::6815:32e9.

Among the host names that share IP numbers with linuxgnu.org are haidushuju.com, brathaarts.com, mail.zapobedu.com.ua and two others.

Name Servers

linuxgnu.org has two authoritative name servers — irma.ns.cloudflare.com and jonah.ns.cloudflare.com.

linuxgnu.org has the same name server delegation as a number of other domains, such as trioverde.ro, mygamenews.de, m44.org and two more.

There is at least partial name server overlap between linuxgnu.org and other domains — ritecona.com, thatscheap.com, jzhdmy.com and two more among them.

These name servers are routinely deployed together with the name servers jake.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

irma.ns.cloudflare.com points to 108.162.192.166, 172.64.32.166, 173.245.58.166 and 3 other IP addresses.

jonah.ns.cloudflare.com points to 108.162.193.186, 172.64.33.186, 173.245.59.186 and 3 other IP addresses.

Mail Servers

Five mail servers handle linuxgnu.org: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

linuxgnu.org shares at least some of its mail servers with other domains — for example whitneybriscoe.com, viosfertility.com, pratapgarhfarms.com and two more.

It is common for these mail servers to co-occur with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx3.googlemail.com and aspmx2.googlemail.com as mail servers.

Hosts with two IP numbers each:

aspmx.l.google.com resolves to 192.178.155.26 and 2607:f8b0:4004:c23::1a.

alt1.aspmx.l.google.com resolves to 172.217.216.26 and 2607:f8b0:4023:2803::1b.

alt2.aspmx.l.google.com resolves to 172.253.145.27 and 2607:f8b0:4023:3003::1a.

alt3.aspmx.l.google.com resolves to 172.253.135.26 and 2607:f8b0:4023:1015::1a.

alt4.aspmx.l.google.com resolves to 172.253.157.26 and 2a00:1450:400c:c23::1b.