flatcar-linux.org - robtex.com

flatcar-linux.org

DNSSEC⚠️ Not signed
A2606:4700:3034::ac43:a3fa🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:5b04🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.91.4Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.163.250🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSalex.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b64🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalex.ns.cloudflare.com
A2803:f800:50::6ca2:c164🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRalex.ns.cloudflare.com
A2a06:98c1:50::ac40:2164🇺🇸 Cloudflare2a06:98c1:50::/45
PTRalex.ns.cloudflare.com
A108.162.193.100🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalex.ns.cloudflare.com
A172.64.33.100🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalex.ns.cloudflare.com
A173.245.59.100🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalex.ns.cloudflare.com
NStina.ns.cloudflare.com
A2606:4700:50::adf5:3ae6🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtina.ns.cloudflare.com
A2803:f800:50::6ca2:c0e6🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRtina.ns.cloudflare.com
A2a06:98c1:50::ac40:20e6🇺🇸 Cloudflare2a06:98c1:50::/45
PTRtina.ns.cloudflare.com
A108.162.192.230🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtina.ns.cloudflare.com
A172.64.32.230🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtina.ns.cloudflare.com
A173.245.58.230🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtina.ns.cloudflare.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c19::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbk-in-f27.1e100.net
A172.253.62.27🇺🇸 Google172.253.62.0/24
PTRbc-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2607:f8b0:4003:c30::1b🇺🇸 Google2607:f8b0:4003::/48
PTRyutulis-in-f27.1e100.net
A74.125.27.26🇺🇸 Google74.125.27.0/24
PTRyutulis-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2607:f8b0:4001:c70::1a🇺🇸 Google2607:f8b0:4001::/48
PTRyucbful-in-f26.1e100.net
A192.178.209.26🇺🇸 Google192.178.209.0/24
PTRyucbful-in-f26.1e100.net
MXalt3.aspmx.l.google.com(10)
A2607:f8b0:4024:c0d::1b🇺🇸 Google2607:f8b0::/32
PTRmj-in-f27.1e100.net
A192.178.152.26🇺🇸 Google192.178.152.0/24
PTRmj-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
A2607:f8b0:4023:403::1a🇺🇸 Google2607:f8b0::/32
PTRgg-in-f26.1e100.net
A142.250.96.27🇺🇸 Google142.250.96.0/24
PTRgg-in-f27.1e100.net
TXTMS=ms31157989
TXThqn1n979rg0mqpf75wh67f5wm1vjcs9n
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.91.4, 172.67.163.250
IPv62606:4700:3034::ac43:a3fa, 2606:4700:3037::6815:5b04
SOAalex.ns.cloudflare.comdns@cloudflare.com serial=2398215357

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1773551953
rank #477158 globally
rank #37085 in the tld

Same first word

flatcar-linux.org
flatcar-linux.com
flatcar-linux.net

DNS History

25 records (11 active, 14 former)

20192020202120222023202420252026NSalex.ns.cloudflare.comtina.ns.cloudflare.comdns1.p07.nsone.netdns2.p07.nsone.netdns3.p07.nsone.netdns4.p07.nsone.netMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comA104.21.91.4172.67.163.2502606:4700:3034::ac43:a3fa2606:4700:3037::6815:5b0435.197.15.21635.197.37.3952.221.219.13552.67.115.17354.229.14.12554.250.174.9254.252.159.15867.207.94.142
●NSalex.ns.cloudflare.com2026-03-15 → 2026-03-15 · 3 obs
○ 2018-05-15 16:00:56
● 2026-03-15 15:24:02
● 2026-03-15 18:25:14
○NSdns1.p07.nsone.net2018-05-15 → 2018-05-15 · 3 obs
● 2018-05-15 16:00:56
○ 2026-03-15 15:24:02
○ 2026-03-15 18:25:14
○NSdns2.p07.nsone.net2018-05-15 → 2018-05-15 · 3 obs
● 2018-05-15 16:00:56
○ 2026-03-15 15:24:02
○ 2026-03-15 18:25:14
○NSdns3.p07.nsone.net2018-05-15 → 2018-05-15 · 3 obs
● 2018-05-15 16:00:56
○ 2026-03-15 15:24:02
○ 2026-03-15 18:25:14
○NSdns4.p07.nsone.net2018-05-15 → 2018-05-15 · 3 obs
● 2018-05-15 16:00:56
○ 2026-03-15 15:24:02
○ 2026-03-15 18:25:14
●NStina.ns.cloudflare.com2026-03-15 → 2026-03-15 · 3 obs
○ 2018-05-15 16:00:56
● 2026-03-15 15:24:02
● 2026-03-15 18:25:14
●MXalt1.aspmx.l.google.com2018-05-15 → 2026-03-15 · 2 obs
● 2018-05-15 16:00:56
● 2026-03-15 18:25:14
●MXalt2.aspmx.l.google.com2018-05-15 → 2026-03-15 · 2 obs
● 2018-05-15 16:00:56
● 2026-03-15 18:25:14
●MXalt3.aspmx.l.google.com2026-03-15 → 2026-03-15 · 3 obs
○ 2018-05-15 16:00:56
● 2026-03-15 15:24:02
● 2026-03-15 18:25:14
●MXalt4.aspmx.l.google.com2026-03-15 → 2026-03-15 · 3 obs
○ 2018-05-15 16:00:56
● 2026-03-15 15:24:02
● 2026-03-15 18:25:14
●MXaspmx.l.google.com2018-05-15 → 2026-03-15 · 2 obs
● 2018-05-15 16:00:56
● 2026-03-15 18:25:14
○MXaspmx2.googlemail.com2018-05-15 → 2018-05-15 · 3 obs
● 2018-05-15 16:00:56
○ 2026-03-15 15:24:02
○ 2026-03-15 18:25:14
○MXaspmx3.googlemail.com2018-05-15 → 2018-05-15 · 3 obs
● 2018-05-15 16:00:56
○ 2026-03-15 15:24:02
○ 2026-03-15 18:25:14
●A104.21.91.42026-03-15 → 2026-03-15 · 3 obs
○ 2018-05-15 16:00:56
● 2026-03-15 15:24:02
● 2026-03-15 18:25:14
●A172.67.163.2502026-03-15 → 2026-03-15 · 3 obs
○ 2018-05-15 16:00:56
● 2026-03-15 15:24:02
● 2026-03-15 18:25:14
●A2606:4700:3034::ac43:a3fa2026-03-15 → 2026-03-15 · 3 obs
○ 2018-05-15 16:00:56
● 2026-03-15 15:24:02
● 2026-03-15 18:25:14
●A2606:4700:3037::6815:5b042026-03-15 → 2026-03-15 · 3 obs
○ 2018-05-15 16:00:56
● 2026-03-15 15:24:02
● 2026-03-15 18:25:14
○A35.197.15.2162018-05-15 → 2018-05-15 · 3 obs
● 2018-05-15 16:00:56
○ 2026-03-15 15:24:02
○ 2026-03-15 18:25:14
○A35.197.37.392018-05-15 → 2018-05-15 · 3 obs
● 2018-05-15 16:00:56
○ 2026-03-15 15:24:02
○ 2026-03-15 18:25:14
○A52.221.219.1352018-05-15 → 2018-05-15 · 3 obs
● 2018-05-15 16:00:56
○ 2026-03-15 15:24:02
○ 2026-03-15 18:25:14
○A52.67.115.1732018-05-15 → 2018-05-15 · 3 obs
● 2018-05-15 16:00:56
○ 2026-03-15 15:24:02
○ 2026-03-15 18:25:14
○A54.229.14.1252018-05-15 → 2018-05-15 · 3 obs
● 2018-05-15 16:00:56
○ 2026-03-15 15:24:02
○ 2026-03-15 18:25:14
○A54.250.174.922018-05-15 → 2018-05-15 · 3 obs
● 2018-05-15 16:00:56
○ 2026-03-15 15:24:02
○ 2026-03-15 18:25:14
○A54.252.159.1582018-05-15 → 2018-05-15 · 3 obs
● 2018-05-15 16:00:56
○ 2026-03-15 15:24:02
○ 2026-03-15 18:25:14
○A67.207.94.1422018-05-15 → 2018-05-15 · 3 obs
● 2018-05-15 16:00:56
○ 2026-03-15 15:24:02
○ 2026-03-15 18:25:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
flatcar-linux.orgalex.ns.cloudflare.com, tina.ns.cloudflare.com-

✅ Authoritative Response

Server: 108.162.193.100

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: 655ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.91.4, 172.67.163.250
AAAA22606:4700:3034::ac43:a3fa, 2606:4700:3037::6815:5b04
NS2alex.ns.cloudflare.com, tina.ns.cloudflare.com
MX5aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...
TXT2MS=ms31157989, hqn1n979rg0mqpf75wh67f5wm1vjcs9n
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1alex.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

flatcar-linux.org resolves to four IP numbers: 2606:4700:3034::ac43:a3fa, 2606:4700:3037::6815:5b04, 104.21.91.4 and 172.67.163.250.

other host names for instance phservice.ru, parimatch-polska.pl, hostmaster.adilas.org, yokote-fukuzyukai.jp and creality3d.cn share IP numbers with flatcar-linux.org.

Name Servers

flatcar-linux.org is delegated to two name servers: alex.ns.cloudflare.com and tina.ns.cloudflare.com.

flatcar-linux.org shares the same name server setup as other domains, for example mividarestaurant.com, skentep.com, digi-electronics.com, selezen.games and metodo-pilates.com.ar.

flatcar-linux.org at least partially shares name servers with other domains, for instance 529rewards.com, rapidtraffic.pl, moselle.io, tesaki.ru and cs-tp.com.

These name servers are commonly used with the name servers seth.ns.cloudflare.com.

Host names with six IP numbers:

alex.ns.cloudflare.com points to: 2606:4700:58::adf5:3b64, 2803:f800:50::6ca2:c164, 2a06:98c1:50::ac40:2164, 108.162.193.100, 172.64.33.100 and 173.245.59.100; tina.ns.cloudflare.com points to: 2606:4700:50::adf5:3ae6, 2803:f800:50::6ca2:c0e6, 2a06:98c1:50::ac40:20e6, 108.162.192.230, 172.64.32.230 and 173.245.58.230.

Mail Servers

flatcar-linux.org is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

flatcar-linux.org shares mail servers with other domains at least partially, including singlee.com.sg, ns500759.ns500698.ns500698.ns500698.ns500735.ns500736.ns500698.ns500698.ns500698.ns500576.ns500576.ns500619.ns500652.ns500576.ns500576.trackreceptor.com, ns500731.ns500671.ns500754.ns500754.ns500742.ns500671.ns500705.ns500291.ns500649.ns500649.ns500291.ns500131.lustychickser.com, ns500742.ns500731.ns500742.ns500671.ns500754.ns500671.ns500671.ns500705.ns500671.ns500291.ns500649.ns500291.ns500291.ns500131.lustychickser.com and ftmunauth.com.

these mail servers are often used with aspmx2.googlemail.com and aspmx3.googlemail.com.

Hosts with two IP numbers:

aspmx.l.google.com points to 2607:f8b0:4004:c19::1b and 172.253.62.27.

alt1.aspmx.l.google.com points to 2607:f8b0:4003:c30::1b and 74.125.27.26.

alt2.aspmx.l.google.com points to 2607:f8b0:4001:c70::1a and 192.178.209.26.

alt3.aspmx.l.google.com points to 2607:f8b0:4024:c0d::1b and 192.178.152.26.

alt4.aspmx.l.google.com points to 2607:f8b0:4023:403::1a and 142.250.96.27.