www.linuxnet.ca - robtex.com

www.linuxnet.ca

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:1a31🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3030::ac43:8764🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.26.49Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.135.100🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.26.49, 172.67.135.100
IPv6 hints2606:4700:3030::6815:1a31, 2606:4700:3030::ac43:8764
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=238, name=cloudflare-ech.com

linuxnet.ca

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:1a31🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3030::ac43:8764🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.26.49Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.135.100🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbraden.ns.cloudflare.com ⭐
NScora.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.26.49, 172.67.135.100
IPv6 hints2606:4700:3030::6815:1a31, 2606:4700:3030::ac43:8764
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=238, name=cloudflare-ech.com
SOAbraden.ns.cloudflare.comdns@cloudflare.com serial=2400367595

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DNS History

5 records (4 active, 1 former)

20192020202120222023202420252026A104.21.26.49172.67.135.1002606:4700:3030::6815:1a312606:4700:3030::ac43:8764CNAMElinuxnet.ca
●A104.21.26.492026-04-16 → 2026-05-10 · 2 obs
● 2026-04-16 05:05:50
● 2026-05-10 08:20:22
●A172.67.135.1002026-04-16 → 2026-05-10 · 2 obs
● 2026-04-16 05:05:50
● 2026-05-10 08:20:22
●A2606:4700:3030::6815:1a312026-04-16 → 2026-05-10 · 2 obs
● 2026-04-16 05:05:50
● 2026-05-10 08:20:22
●A2606:4700:3030::ac43:87642026-04-16 → 2026-05-10 · 2 obs
● 2026-04-16 05:05:50
● 2026-05-10 08:20:22
○CNAMElinuxnet.ca2018-05-17 → 2018-05-17 · 3 obs
● 2018-05-17 15:36:46
○ 2026-04-16 05:05:50
○ 2026-05-10 08:20:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cad.ca-servers.ca, any.ca-servers.ca, c.ca-servers.ca, j.ca-servers.ca-
linuxnet.cacora.ns.cloudflare.com, braden.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.34.195

NS records: cora.ns.cloudflare.com, braden.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linuxnet.ca (unsigned zone)

⏱️ Timing

Total: 755ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.26.49, 172.67.135.100
AAAA22606:4700:3030::ac43:8764, 2606:4700:3030::6815:1a31
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

www.linuxnet.ca resolves to four IP numbers: 2606:4700:3030::6815:1a31, 2606:4700:3030::ac43:8764, 104.21.26.49 and 172.67.135.100.

other host names for instance rifluminaires.com, svenskafredskommitten.nu, powusuhuumgroupnet.digital, kamva.gr and www.(0x666574697368)-match.com share IP numbers with www.linuxnet.ca.