linux.do - robtex.com

linux.do

DNSSEC⚠️ Not signed
A2606:4700:10::6814:10ea🇺🇸 Cloudflare2606:4700:10::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:10::ac42:a63d🇺🇸 Cloudflare2606:4700:10::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.20.16.234Cloudflare104.20.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.66.166.61🇺🇸 Cloudflare172.66.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdahlia.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a59🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdahlia.ns.cloudflare.com
A2803:f800:50::6ca2:c059🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdahlia.ns.cloudflare.com
A2a06:98c1:50::ac40:2059🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdahlia.ns.cloudflare.com
A108.162.192.89🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdahlia.ns.cloudflare.com
A172.64.32.89🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdahlia.ns.cloudflare.com
A173.245.58.89🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdahlia.ns.cloudflare.com
NSmarek.ns.cloudflare.com
A2606:4700:58::adf5:3bca🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmarek.ns.cloudflare.com
A2803:f800:50::6ca2:c1ca🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmarek.ns.cloudflare.com
A2a06:98c1:50::ac40:21ca🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmarek.ns.cloudflare.com
A108.162.193.202🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmarek.ns.cloudflare.com
A172.64.33.202🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmarek.ns.cloudflare.com
A173.245.59.202🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmarek.ns.cloudflare.com
MXmail.linux.do ⭐
A198.251.80.233🇺🇸 FRANTECH198.251.80.0/24 More specific routing object
PTRmail.linux.do
MXmail.linuxdo.org(10)
A198.251.80.233🇺🇸 FRANTECH198.251.80.0/24 More specific routing object
PTRmail.linux.do
TXTgoogle-site-verification=dXFnJHavazXf0Czwwn70iSIW1U26O7ZrGWiuPFY5RL4
TXTstripe-verification=d86ad55b4aeb3926892d8b9bbd8f89af18cc0a5d2aaaa45c4a931a644...
TXTv=spf1 include:_spf.smtp.do a:mail.linux.do -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.20.16.234, 172.66.166.61
IPv6 hints2606:4700:10::6814:10ea, 2606:4700:10::ac42:a63d
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=50, name=cloudflare-ech.com
SOAdahlia.ns.cloudflare.comdns@cloudflare.com serial=2402363872

do

DNSSEC⚠️ Not signed
NSns2.nic.do ⭐
NSa.lactld.org
NSns.nic.do
NSns1.nic.do
NSns4.nic.do
NSns5.nic.do
NSphloem.uoregon.edu
TXTGeneration Time: 1776986414
SOAns1.nic.dohostmaster@nic.do 2026-04-23 #24
rank #67529 globally
rank #10 in the tld
PASS📈 Tranco rank: #20,730

Subdomains

cdn3.linux.do
check.linux.do
connect.linux.do
cdk.linux.do
ping.linux.do
credit.linux.do
mail.linux.do
status.linux.do
docker-gcr.linux.do
cdn.linux.do

Same first word

linux.zone
linux.hr
linux.co.ke
linux.com.fr
linux.co.at
linux.rs
linux.net.tr
linux.in
linux.tel
linux.eu
linux.org.tr
linux.fail
linux.am
linux.run
linux.ca
linux.pictures
linux.directory
linux.org.ru
linux.org.py
linux.frl
linux.ch
linux.kg
linux.lat
linux.org.ph
linux.kr
linux.toys
linux.no
linux.org.mt
linux.aq
linux.com.es
linux.monster
linux.report
linux.ec
linux.systems
linux.events
linux.repair
linux.or.kr
linux.download
linux.casa
linux.co.kr
linux.careers
linux.biz
linux.ru
linux.cz
linux.kiev.ua
linux.lv
linux.community
linux.org.au
linux.st
linux.pf
linux.at
linux.org.na
linux.academy
linux.or.tz
linux.org.pe
linux.edu.lv
linux.ro
linux.technology
linux.sh.cn
linux.vc
linux.su
linux.koeln
linux.gq
linux.camp
linux.it
linux.cool
linux.agency
linux.nu
linux.chat
linux.org.uk
linux.net.nz
linux.ga
linux.dk
linux.com.tw
linux.za.org
linux.cl
linux.net.mx
linux.org.tw
linux.com
linux.ee
linux.sk
linux.in.rs
linux.fr
linux.fm
linux.sh
linux.lt
linux.pink
linux.com.sg
linux.ac.cn
linux.co.za
linux.pl
linux.org
linux.in.th
linux.org.il
linux.ru.net
linux.org.pl
linux.jp
linux.social
linux.be
linux.london

Similar names

linux.ac
linux.lu
linux.nic.in
luxin.dnsalias.com
linux.org.es
linux.net.ru
linux.center
linux.solutions
linux.net.cn
linux.co.id
inlux.org
linux.org.hk
linux.im
linux.bielsko.pl
linux.org.ve
linux.bz
linux.net.pl
linux.co.hu
linux.sg
xinul.de
ulnix.ru
nilux.fr
nulix.ca
unlix.com
xulin.de
xunil.co.nz
inlux.sk
xunil.net
lunix.ch
nilux.net
inlux.ru
nuxli.net
lixun.sg
lunix.dk
xunil.com
luxin.me
xinlu.com
nilux.no
luxin.net
xulin.info
nuxli.biz
lixun.tw
nuxli.com
xunil.at
nuxli.be
ulnix.com
inlux.com
luxin.ch
lunix.cz
nilux.info
xinul.com
nuxli.org
uxlin.de
nilux.pl
unilx.com
lunix.pe
xunli.com
lunix.nl

DNS History

15 records (8 active, 7 former)

201820192020202120222023202420252026NSdahlia.ns.cloudflare.commarek.ns.cloudflare.comns1.sedoparking.comns159.ehosts.comns160.ehosts.comns2.sedoparking.comMXmail.linux.domail.linuxdo.orglocalhostA104.20.16.234172.66.166.612606:4700:10::6814:10ea2606:4700:10::ac42:a63d108.167.137.21564.190.62.111
●NSdahlia.ns.cloudflare.com2026-02-18 → 2026-04-24 · 3 obs
○ 2021-06-26 06:18:16
● 2026-02-18 08:01:40
● 2026-04-24 00:18:20
●NSmarek.ns.cloudflare.com2026-02-18 → 2026-04-24 · 3 obs
○ 2021-06-26 06:18:16
● 2026-02-18 08:01:40
● 2026-04-24 00:18:20
○NSns1.sedoparking.com2021-06-26 → 2021-06-26 · 4 obs
○ 2017-08-09 17:32:38
● 2021-06-26 06:18:16
○ 2026-02-18 08:01:40
○ 2026-04-24 00:18:20
○NSns159.ehosts.com2017-08-09 → 2017-08-09 · 3 obs
● 2017-08-09 17:32:38
○ 2021-06-26 06:18:16
○ 2026-04-24 00:18:20
○NSns160.ehosts.com2017-08-09 → 2017-08-09 · 3 obs
● 2017-08-09 17:32:38
○ 2021-06-26 06:18:16
○ 2026-04-24 00:18:20
○NSns2.sedoparking.com2021-06-26 → 2021-06-26 · 4 obs
○ 2017-08-09 17:32:38
● 2021-06-26 06:18:16
○ 2026-02-18 08:01:40
○ 2026-04-24 00:18:20
○MXlocalhost2021-06-26 → 2021-06-26 · 4 obs
○ 2017-08-09 17:32:38
● 2021-06-26 06:18:16
○ 2026-02-18 08:01:40
○ 2026-04-24 00:18:20
●MXmail.linux.do2017-08-09 → 2026-04-24 · 4 obs
● 2017-08-09 17:32:38
○ 2021-06-26 06:18:16
● 2026-02-18 08:01:40
● 2026-04-24 00:18:20
●MXmail.linuxdo.org2026-02-18 → 2026-04-24 · 3 obs
○ 2021-06-26 06:18:16
● 2026-02-18 08:01:40
● 2026-04-24 00:18:20
●A104.20.16.2342026-02-18 → 2026-04-24 · 3 obs
○ 2021-06-26 06:18:16
● 2026-02-18 08:01:40
● 2026-04-24 00:18:20
○A108.167.137.2152017-08-09 → 2017-08-09 · 3 obs
● 2017-08-09 17:32:38
○ 2021-06-26 06:18:16
○ 2026-04-24 00:18:20
●A172.66.166.612026-02-18 → 2026-04-24 · 3 obs
○ 2021-06-26 06:18:16
● 2026-02-18 08:01:40
● 2026-04-24 00:18:20
●A2606:4700:10::6814:10ea2026-02-18 → 2026-04-24 · 3 obs
○ 2021-06-26 06:18:16
● 2026-02-18 08:01:40
● 2026-04-24 00:18:20
●A2606:4700:10::ac42:a63d2026-02-18 → 2026-04-24 · 3 obs
○ 2021-06-26 06:18:16
● 2026-02-18 08:01:40
● 2026-04-24 00:18:20
○A64.190.62.1112021-06-26 → 2021-06-26 · 4 obs
○ 2017-08-09 17:32:38
● 2021-06-26 06:18:16
○ 2026-02-18 08:01:40
○ 2026-04-24 00:18:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
doa.lactld.org, ns.nic.do, ns1.nic.do, ns2.nic.do...14 records
linux.domarek.ns.cloudflare.com, dahlia.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.89

NS records: marek.ns.cloudflare.com, dahlia.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for do (unsigned zone)

⏱️ Timing

Total: 276ms | Queries: -

📄 Records

TypeCountSample Data
A2172.66.166.61, 104.20.16.234
AAAA22606:4700:10::ac42:a63d, 2606:4700:10::6814:10ea
NS2dahlia.ns.cloudflare.com, marek.ns.cloudflare.com
MX2mail.linuxdo.org (pri: 10), mail.linux.do (pri: 5)
TXT3google-site-verification=dXFnJHavazXf0Cz, stripe-verification=d86ad55b4aeb3926892d...
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1dahlia.ns.cloudflare.com dns.cloudflare.

📌 Glue Records Collected

Total: 14

In-bailiwick: 10 (ns.nic.do, ns1.nic.do, ns2.nic.do...)

Out-of-bailiwick: 4 (a.lactld.org, phloem.uoregon.edu, a.lactld.org...)

Analysis

Hierarchy

linux.do is the parent of cdn3.linux.do, check.linux.do, connect.linux.do, cdk.linux.do, ping.linux.do and a few other host names.

IP Addresses

linux.do points to four IP numbers: 2606:4700:10::6814:10ea, 2606:4700:10::ac42:a63d, 104.20.16.234 and 172.66.166.61.

For instance, other host names ping.linux.do, static.instagc.com, volunteergardener.org, www.instagc.com and credit.linux.do share IP numbers with linux.do.

Name Servers

linux.do is delegated to two name servers: dahlia.ns.cloudflare.com and marek.ns.cloudflare.com.

linux.do uses the same name server setup as other domains such as idcflare.com, hamatea.jp, avenidasvillage.org, 18street.com and liangyincorp.com.

linux.do shares name servers with other domains at least partially, for example isaimini.net, flamedomain.com, poensgen.de, zeniea.com and atlassheds.co.uk.

These name servers are commonly used together with sullivan.ns.cloudflare.com, jaime.ns.cloudflare.com, anna.ns.cloudflare.com and wally.ns.cloudflare.com.

Host names with six IP numbers: host name dahlia.ns.cloudflare.com points to: 2606:4700:50::adf5:3a59, 2803:f800:50::6ca2:c059, 2a06:98c1:50::ac40:2059, 108.162.192.89, 172.64.32.89 and 173.245.58.89; host name marek.ns.cloudflare.com points to: 2606:4700:58::adf5:3bca, 2803:f800:50::6ca2:c1ca, 2a06:98c1:50::ac40:21ca, 108.162.193.202, 172.64.33.202 and 173.245.59.202.

Mail Servers

Two mail servers mail.linux.do and mail.linuxdo.org handle linux.do.

linux.do uses the same mail server setup as other domains like linuxdo.de and mingki.cn.

linux.do shares at least partially some mail servers with other domains, for instance idcflare.com.

Host names with a single IP

mail.linux.do points to: 198.251.80.233

mail.linuxdo.org points to: 198.251.80.233

Host names pointing to 198.251.80.233: mail.linux.do and mail.linuxdo.org