cdk.linux.do - dns.ninja

cdk.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
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=233, name=cloudflare-ech.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 ⭐
NSmarek.ns.cloudflare.com
MXmail.linux.do ⭐
MXmail.linuxdo.org(10)
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=233, name=cloudflare-ech.com
SOAdahlia.ns.cloudflare.comdns@cloudflare.com serial=2408728131
rank #58226 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: #21,035

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DNS History

4 records (4 active, 0 former)

A104.20.16.234172.66.166.612606:4700:10::6814:10ea2606:4700:10::ac42:a63d
●A104.20.16.2342026-03-07 → 2026-07-05 · 2 obs
● 2026-03-07 05:29:32
● 2026-07-05 09:37:56
●A172.66.166.612026-03-07 → 2026-07-05 · 2 obs
● 2026-03-07 05:29:32
● 2026-07-05 09:37:56
●A2606:4700:10::6814:10ea2026-03-07 → 2026-07-05 · 2 obs
● 2026-03-07 05:29:32
● 2026-07-05 09:37:56
●A2606:4700:10::ac42:a63d2026-03-07 → 2026-07-05 · 2 obs
● 2026-03-07 05:29:32
● 2026-07-05 09:37:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dons.nic.do, ns1.nic.do, ns2.nic.do, ns4.nic.do...-
linux.dodahlia.ns.cloudflare.com, marek.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.192.89

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for do (unsigned zone)

⏱️ Timing

Total: 4101ms | Queries: -

📄 Records

TypeCountSample Data
A2104.20.16.234, 172.66.166.61
AAAA22606:4700:10::ac42:a63d, 2606:4700:10::6814:10ea
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

cdk.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.

Additional host names — status.linux.do, linuxdo.de, www.volunteergardener.org and two others — share IP numbers with cdk.linux.do.