flatcar-linux.org - dns.ninja

`flatcar-linux.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:5b04^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:a3fa^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.91.4^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.163.250^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`alex.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b64^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alex.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c164^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`alex.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2164^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`alex.ns.cloudflare.com`
		A	108.162.193.100^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alex.ns.cloudflare.com`
		A	172.64.33.100^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alex.ns.cloudflare.com`
		A	173.245.59.100^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alex.ns.cloudflare.com`
NS	`tina.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ae6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0e6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`tina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20e6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`tina.ns.cloudflare.com`
		A	108.162.192.230^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tina.ns.cloudflare.com`
		A	172.64.32.230^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tina.ns.cloudflare.com`
		A	173.245.58.230^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tina.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1b::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`wv-in-f27.1e100.net`
		A	142.251.163.27^{🇺🇸 Google142.251.163.0/24}
			PTR	`wv-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-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	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`MS=ms31157989`
TXT	`hqn1n979rg0mqpf75wh67f5wm1vjcs9n`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.91.4, 172.67.163.250
		IPv6 hints	2606:4700:3033::6815:5b04, 2606:4700:3034::ac43:a3fa
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=18, name=cloudflare-ech.com
SOA	`alex.ns.cloudflare.com`dns@cloudflare.com serial=2406025733

`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=1782509987

rank #417007 globally
rank #31916 in the tld

Same first word

flatcar-linux.org

flatcar-linux.com

flatcar-linux.net

DNS History

26 records (11 active, 15 former)

●NSalex.ns.cloudflare.com2026-03-15 → 2026-06-26 · 3 obs

○ 2018-05-15 16:00:56
● 2026-03-15 15:24:02
● 2026-06-26 21:56:52

○NSdns1.p07.nsone.net2018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 16:00:56
○ 2026-03-15 15:24:02
○ 2026-06-26 21:56:52

○NSdns2.p07.nsone.net2018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 16:00:56
○ 2026-03-15 15:24:02
○ 2026-06-26 21:56:52

○NSdns3.p07.nsone.net2018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 16:00:56
○ 2026-03-15 15:24:02
○ 2026-06-26 21:56:52

○NSdns4.p07.nsone.net2018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 16:00:56
○ 2026-03-15 15:24:02
○ 2026-06-26 21:56:52

●NStina.ns.cloudflare.com2026-03-15 → 2026-06-26 · 3 obs

○ 2018-05-15 16:00:56
● 2026-03-15 15:24:02
● 2026-06-26 21:56:52

●MXalt1.aspmx.l.google.com2018-05-15 → 2026-06-26 · 2 obs

● 2018-05-15 16:00:56
● 2026-06-26 21:56:52

●MXalt2.aspmx.l.google.com2018-05-15 → 2026-06-26 · 2 obs

● 2018-05-15 16:00:56
● 2026-06-26 21:56:52

●MXalt3.aspmx.l.google.com2026-03-15 → 2026-06-26 · 3 obs

○ 2018-05-15 16:00:56
● 2026-03-15 15:24:02
● 2026-06-26 21:56:52

●MXalt4.aspmx.l.google.com2026-03-15 → 2026-06-26 · 3 obs

○ 2018-05-15 16:00:56
● 2026-03-15 15:24:02
● 2026-06-26 21:56:52

●MXaspmx.l.google.com2018-05-15 → 2026-06-26 · 2 obs

● 2018-05-15 16:00:56
● 2026-06-26 21:56:52

○MXaspmx2.googlemail.com2018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 16:00:56
○ 2026-03-15 15:24:02
○ 2026-06-26 21:56:52

○MXaspmx3.googlemail.com2018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 16:00:56
○ 2026-03-15 15:24:02
○ 2026-06-26 21:56:52

●A104.21.91.42026-03-15 → 2026-06-26 · 3 obs

○ 2018-05-15 16:00:56
● 2026-03-15 15:24:02
● 2026-06-26 21:56:52

●A172.67.163.2502026-03-15 → 2026-06-26 · 3 obs

○ 2018-05-15 16:00:56
● 2026-03-15 15:24:02
● 2026-06-26 21:56:52

●A2606:4700:3033::6815:5b042026-06-26 → 2026-06-26 · 3 obs

○ 2026-06-05 02:42:10
● 2026-06-26 21:56:50
● 2026-06-26 21:56:52

●A2606:4700:3034::ac43:a3fa2026-03-15 → 2026-06-26 · 3 obs

○ 2018-05-15 16:00:56
● 2026-03-15 15:24:02
● 2026-06-26 21:56:52

○A2606:4700:3037::6815:5b042026-03-15 → 2026-06-05 · 5 obs

○ 2018-05-15 16:00:56
● 2026-03-15 15:24:02
● 2026-06-05 02:42:10
○ 2026-06-26 21:56:50
○ 2026-06-26 21:56:52

○A35.197.15.2162018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 16:00:56
○ 2026-03-15 15:24:02
○ 2026-06-26 21:56:52

○A35.197.37.392018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 16:00:56
○ 2026-03-15 15:24:02
○ 2026-06-26 21:56:52

○A52.221.219.1352018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 16:00:56
○ 2026-03-15 15:24:02
○ 2026-06-26 21:56:52

○A52.67.115.1732018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 16:00:56
○ 2026-03-15 15:24:02
○ 2026-06-26 21:56:52

○A54.229.14.1252018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 16:00:56
○ 2026-03-15 15:24:02
○ 2026-06-26 21:56:52

○A54.250.174.922018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 16:00:56
○ 2026-03-15 15:24:02
○ 2026-06-26 21:56:52

○A54.252.159.1582018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 16:00:56
○ 2026-03-15 15:24:02
○ 2026-06-26 21:56:52

○A67.207.94.1422018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 16:00:56
○ 2026-03-15 15:24:02
○ 2026-06-26 21:56:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
flatcar-linux.org	alex.ns.cloudflare.com, tina.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.100

NS records: alex.ns.cloudflare.com, tina.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for flatcar-linux.org (unsigned zone)

⏱️ Timing

Total: 610ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.163.250, 104.21.91.4`
AAAA	2	`2606:4700:3033::6815:5b04, 2606:4700:3034::ac43:a3fa`
NS	2	`alex.ns.cloudflare.com, tina.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	2	`MS=ms31157989, hqn1n979rg0mqpf75wh67f5wm1vjcs9n`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`alex.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

flatcar-linux.org directs to four IP numbers, which are 104.21.91.4, 172.67.163.250, 2606:4700:3033::6815:5b04 and 2606:4700:3034::ac43:a3fa.

Two other host names, along with phservice.ru, www.farma24plus.com and hostmaster.adilas.org, also share IP numbers with flatcar-linux.org.

Name Servers

Two name servers handle the delegation for flatcar-linux.org: alex.ns.cloudflare.com and tina.ns.cloudflare.com.

flatcar-linux.org shares its NS records with other domains, for example digi-electronics.vn, mividarestaurant.com, digi-electronics.fi and two others.

The name servers of flatcar-linux.org overlap at least partially with those of other domains — among them 529rewards.com, rapidtraffic.pl, moselle.io and two more.

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

DNS names with 6 IP addresses:

alex.ns.cloudflare.com resolves to 108.162.193.100, 172.64.33.100 and 173.245.59.100 among others, with 3 other IP addresses in total.

tina.ns.cloudflare.com resolves to 108.162.192.230, 172.64.32.230 and 173.245.58.230 among others, with 3 other IP addresses in total.

Mail Servers

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

There is at least a partial MX overlap between flatcar-linux.org and other domains, including singlee.com.sg, ftmunauth.com, ns500734.ns500734.ns500734.ns500699.ns500699.ns500699.ns500734.ns500699.ns500699.ns500683.ns500699.ns500683.ns500699.ns500632.ns500632.ns500602.dtrkdll.com and two others.

alt4.aspmx.l.google.com, alt3.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com are mail servers that frequently appear together with these mail servers.

Host names that have two IP addresses:

aspmx.l.google.com resolves to two addresses: 142.251.163.27 and 2607:f8b0:4004:c1b::1b.

alt1.aspmx.l.google.com resolves to two addresses: 108.177.123.27 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com resolves to two addresses: 172.253.116.27 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com resolves to two addresses: 192.178.223.26 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com resolves to two addresses: 172.253.157.27 and 2a00:1450:400c:c23::1b.