mail.rhsa.ca - robtex.com

mail.rhsa.ca

DNSSEC⚠️ Not signed
A2606:4700:3035::ac43:cdd4🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:34f3🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.52.243Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.205.212🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
TXTv=spf1 ip4:66.102.132.84 ip4:64.34.156.150 +a +mx +ip4:70.33.241.150 ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.52.243, 172.67.205.212
IPv6 hints2606:4700:3035::ac43:cdd4, 2606:4700:3037::6815:34f3
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=73, name=cloudflare-ech.com

rhsa.ca

DNSSEC⚠️ Not signed
A2606:4700:3035::ac43:cdd4🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:34f3🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.52.243Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.205.212🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSlinda.ns.cloudflare.com ⭐
NSshane.ns.cloudflare.com
MX_dc-mx.fd23ec78fbd6.rhsa.ca ⭐
MXmxa.mailgun.org(10)
MXmxb.mailgun.org(10)
TXT_globalsign-domain-verification=IzcVIVwFUbC24eM3MSJBdhTAvL1QpblA1GPH3CoepT
TXT_globalsign-domain-verification=MOoFqtQtDMxa6pU73-sBw3RtrDJymTYdtyKrd8xlMl
TXTv=spf1 ip4:66.102.132.84 ip4:64.34.156.150 +a +mx +ip4:70.33.241.150 +include...
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.52.243, 172.67.205.212
IPv6 hints2606:4700:3035::ac43:cdd4, 2606:4700:3037::6815:34f3
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=73, name=cloudflare-ech.com
SOAlinda.ns.cloudflare.comdns@cloudflare.com serial=2399150261

Previously MX for

rhsa.ca

Same first word

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DNS History

8 records (4 active, 4 former)

20162017201820192020202120222023202420252026A104.21.52.243172.67.205.2122606:4700:3035::ac43:cdd42606:4700:3037::6815:34f32605:6f00:1234:700:1::2b564.34.156.15066.102.132.8470.33.241.150
●A104.21.52.2432026-04-01 → 2026-04-14 · 3 obs
○ 2021-10-23 01:21:10
● 2026-04-01 12:13:38
● 2026-04-14 19:11:12
●A172.67.205.2122026-04-01 → 2026-04-14 · 3 obs
○ 2021-10-23 01:21:10
● 2026-04-01 12:13:38
● 2026-04-14 19:11:12
○A2605:6f00:1234:700:1::2b52026-04-01 → 2026-04-14 · 2 obs
○ 2026-04-01 12:13:38
○ 2026-04-14 19:11:12
●A2606:4700:3035::ac43:cdd42026-04-01 → 2026-04-14 · 3 obs
○ 2021-10-23 01:21:10
● 2026-04-01 12:13:38
● 2026-04-14 19:11:12
●A2606:4700:3037::6815:34f32026-04-01 → 2026-04-14 · 3 obs
○ 2021-10-23 01:21:10
● 2026-04-01 12:13:38
● 2026-04-14 19:11:12
○A64.34.156.1502021-10-23 → 2021-10-23 · 4 obs
○ 2016-04-14 23:28:40
● 2021-10-23 01:21:10
○ 2026-04-01 12:13:38
○ 2026-04-14 19:11:12
○A66.102.132.842026-04-01 → 2026-04-14 · 2 obs
○ 2026-04-01 12:13:38
○ 2026-04-14 19:11:12
○A70.33.241.1502015-06-12 → 2016-04-14 · 4 obs
● 2015-06-12 09:40:02
● 2016-04-14 23:28:40
○ 2021-10-23 01:21:10
○ 2026-04-14 19:11:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cad.ca-servers.ca, any.ca-servers.ca, c.ca-servers.ca, j.ca-servers.ca-
rhsa.calinda.ns.cloudflare.com, shane.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.250

NS records: linda.ns.cloudflare.com, shane.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rhsa.ca (unsigned zone)

⏱️ Timing

Total: 719ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.205.212, 104.21.52.243
AAAA22606:4700:3035::ac43:cdd4, 2606:4700:3037::6815:34f3
TXT1v=spf1 ip4:66.102.132.84 ip4:64.34.156.1
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mail.rhsa.ca resolves to four IPs: 2606:4700:3035::ac43:cdd4, 2606:4700:3037::6815:34f3, 104.21.52.243 and 172.67.205.212.

Other host names such as beta.demo.payblocks.io, www.ax-servers.hu, seifert.id, lovepiss.com and c65526.net share IP numbers with mail.rhsa.ca.