smtp.linuxnet.ca - robtex.com

smtp.linuxnet.ca

DNSSEC⚠️ Not signed

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=71, name=cloudflare-ech.com
SOAbraden.ns.cloudflare.comdns@cloudflare.com serial=2400367595

Previously MX for

linuxnet.ca

Same first word

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DNS History

1 record (0 active, 1 former)

20162017201820192020202120222023202420252026A24.222.55.20
○A24.222.55.202015-06-23 → 2016-04-26 · 4 obs
● 2015-06-23 08:51:22
● 2016-04-26 17:49:16
○ 2026-05-05 04:37:56
○ 2026-05-10 07:08:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cac.ca-servers.ca, d.ca-servers.ca, j.ca-servers.ca, any.ca-servers.ca-
linuxnet.cabraden.ns.cloudflare.com, cora.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.44.169

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linuxnet.ca (unsigned zone)

⏱️ Timing

Total: 1287ms | Queries: -

📄 Records

TypeCountSample Data