`linux.do`

DNSSEC	⚠️ Not signed
A	2606:4700:10::6814:10ea^{🇺🇸 Cloudflare2606:4700:10::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:10::ac42:a63d^{🇺🇸 Cloudflare2606:4700:10::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.20.16.234^{Cloudflare104.20.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.66.166.61^{🇺🇸 Cloudflare172.66.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dahlia.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a59^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dahlia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c059^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dahlia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2059^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dahlia.ns.cloudflare.com`
		A	108.162.192.89^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dahlia.ns.cloudflare.com`
		A	172.64.32.89^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dahlia.ns.cloudflare.com`
		A	173.245.58.89^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dahlia.ns.cloudflare.com`
NS	`marek.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bca^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marek.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ca^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`marek.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ca^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`marek.ns.cloudflare.com`
		A	108.162.193.202^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marek.ns.cloudflare.com`
		A	172.64.33.202^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marek.ns.cloudflare.com`
		A	173.245.59.202^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marek.ns.cloudflare.com`
MX	`mail.linux.do` ⭐
		A	198.251.80.233^{🇺🇸 FRANTECH198.251.80.0/24 More specific routing object}
			PTR	`mail.linux.do`
MX	`mail.linuxdo.org`⁽¹⁰⁾
		A	198.251.80.233^{🇺🇸 FRANTECH198.251.80.0/24 More specific routing object}
			PTR	`mail.linux.do`
TXT	`google-site-verification=dXFnJHavazXf0Czwwn70iSIW1U26O7ZrGWiuPFY5RL4`
TXT	`stripe-verification=d86ad55b4aeb3926892d8b9bbd8f89af18cc0a5d2aaaa45c4a931a644...`
TXT	`v=spf1 include:_spf.smtp.do a:mail.linux.do -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.20.16.234, 172.66.166.61
		IPv6 hints	2606:4700:10::6814:10ea, 2606:4700:10::ac42:a63d
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=1, name=cloudflare-ech.com
SOA	`dahlia.ns.cloudflare.com`dns@cloudflare.com serial=2411591457

`do`

	DNSSEC	⚠️ Not signed
	NS	`ns2.nic.do` ⭐
	NS	`a.lactld.org`
	NS	`ns.nic.do`
	NS	`ns1.nic.do`
	NS	`ns4.nic.do`
	NS	`ns5.nic.do`
	NS	`phloem.uoregon.edu`
	TXT	`Generation Time: 1786341606`
	SOA	`ns1.nic.do`hostmaster@nic.do 2026-08-10 #6

rank #53863 globally
rank #10 in the tld

linux.do

Key facts

Owner / operator: unknown
TLD:.do— ccTLD for the Dominican Republic
Primary purpose: community forum / discussion board for Linux and related tech topics
Status: active

📈 Tranco rank: #20,752

Subdomains

cdk.linux.do

credit.linux.do

mail.linux.do

status.linux.do

docker-gcr.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.recipes

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.engineering

linux.aq

linux.sb

linux.com.es

linux.monster

linux.report

linux.ec

linux.systems

linux.events

linux.repair

linux.or.kr

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.mom

linux.ee

linux.sk

linux.in.rs

linux.fr

linux.fm

linux.sh

linux.lt

linux.com.hr

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

Similar names

linux.ac

linux.lu

linux.nic.in

luxin.dnsalias.com

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

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

xulin.df.gov.br

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

xinul.com

nuxli.org

uxlin.de

inlux.tw

nilux.pl

unilx.com

lunix.pe

xunli.com

DNS History

15 records (8 active, 7 former)

●NSdahlia.ns.cloudflare.com2026-02-18 → 2026-08-10 · 3 obs

○ 2021-06-26 06:18:16
● 2026-02-18 08:01:40
● 2026-08-10 08:09:50

●NSmarek.ns.cloudflare.com2026-02-18 → 2026-08-10 · 3 obs

○ 2021-06-26 06:18:16
● 2026-02-18 08:01:40
● 2026-08-10 08:09:50

○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
○ 2026-08-10 08:09:50

○NSns159.ehosts.com2017-08-09 → 2017-08-09 · 3 obs

● 2017-08-09 17:32:38
○ 2021-06-26 06:18:16
○ 2026-08-10 08:09:50

○NSns160.ehosts.com2017-08-09 → 2017-08-09 · 3 obs

● 2017-08-09 17:32:38
○ 2021-06-26 06:18:16
○ 2026-08-10 08:09:50

○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
○ 2026-08-10 08:09:50

○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
○ 2026-08-10 08:09:50

●MXmail.linux.do2017-08-09 → 2026-08-10 · 10 obs

● 2017-08-09 17:32:38
○ 2021-06-26 06:18:16
● 2026-02-18 08:01:40
○ 2026-07-05 00:45:22
● 2026-07-05 02:18:36
○ 2026-07-18 16:13:52
● 2026-07-19 20:12:30
○ 2026-07-20 09:06:32
● 2026-07-24 14:44:52
● 2026-08-10 08:09:50

●MXmail.linuxdo.org2026-02-18 → 2026-08-10 · 9 obs

○ 2021-06-26 06:18:16
● 2026-02-18 08:01:40
○ 2026-07-05 00:45:22
● 2026-07-05 02:18:36
○ 2026-07-18 16:13:52
● 2026-07-19 20:12:30
○ 2026-07-20 09:06:32
● 2026-07-24 14:44:52
● 2026-08-10 08:09:50

●A104.20.16.2342026-02-18 → 2026-08-10 · 9 obs

○A108.167.137.2152017-08-09 → 2017-08-09 · 3 obs

● 2017-08-09 17:32:38
○ 2021-06-26 06:18:16
○ 2026-08-10 08:09:50

●A172.66.166.612026-02-18 → 2026-08-10 · 9 obs

●A2606:4700:10::6814:10ea2026-02-18 → 2026-08-10 · 9 obs

●A2606:4700:10::ac42:a63d2026-02-18 → 2026-08-10 · 9 obs

○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
○ 2026-08-10 08:09:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
do	ns.nic.do, ns1.nic.do, phloem.uoregon.edu, a.lactld.org...	14 records
linux.do	marek.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: 459ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.66.166.61, 104.20.16.234`
AAAA	2	`2606:4700:10::6814:10ea, 2606:4700:10::ac42:a63d`
NS	2	`dahlia.ns.cloudflare.com, marek.ns.cloudflare.com`
MX	2	`mail.linuxdo.org (pri: 10), mail.linux.do (pri: 5)`
TXT	3	`google-site-verification=dXFnJHavazXf0Cz, stripe-verification=d86ad55b4aeb3926892d...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dahlia.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 (phloem.uoregon.edu, a.lactld.org, phloem.uoregon.edu...)

Analysis

Hierarchy

linux.do is a parent domain of cdk.linux.do, credit.linux.do, mail.linux.do, status.linux.do and docker-gcr.linux.do.

IP Addresses

linux.do has four IP addresses: 104.20.16.234, 172.66.166.61, 2606:4700:10::6814:10ea and 2606:4700:10::ac42:a63d.

static.instagc.com, volunteergardener.org, www.instagc.com and two other host names 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 servers as several other domains — among them idcflare.com, hamatea.jp, avenidasvillage.org and two more.

linux.do shares at least some of its name servers with other domains, including isaimini.net, flamedomain.com, poensgen.de and two others.

These name servers are frequently paired with the name servers sullivan.ns.cloudflare.com and jaime.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

dahlia.ns.cloudflare.com resolves to 108.162.192.89, 172.64.32.89, 173.245.58.89 and 3 other IP addresses.

marek.ns.cloudflare.com resolves to 108.162.193.202, 172.64.33.202, 173.245.59.202 and 3 other IP addresses.

Mail Servers

Mail for linux.do is handled by two mail servers — mail.linux.do and mail.linuxdo.org.

The mail server configuration of linux.do is identical to that of other domains — mingki.cn being one example.

linux.do shares at least some of its mail servers with other domains, such as idcflare.com.

mail.linux.do and mail.linuxdo.org both resolve to the same single IP address: 198.251.80.233.

mail.linux.do and mail.linuxdo.org are host names that each point to 198.251.80.233 IP addresses.

linux.do - robtex.com

linux.do

do

linux.do

Key facts

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`linux.do`

`do`