mail.fncsf.ca - robtex.com

mail.fncsf.ca

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:2ddc🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::ac43:db82🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.45.220Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.219.130🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.45.220, 172.67.219.130
IPv6 hints2606:4700:3032::6815:2ddc, 2606:4700:3032::ac43:db82
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=198, name=cloudflare-ech.com

fncsf.ca

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:2ddc🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::ac43:db82🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.45.220Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.219.130🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSalec.ns.cloudflare.com ⭐
NSaron.ns.cloudflare.com
MXfncsf-ca.mail.protection.outlook.com ⭐
TXTMS=ms90502710
TXTgoogle-site-verification=9oO_N3laSPve3u3kJMPaOf1VSUzastZgLqaXsmErAfk
TXTv=spf1 include:spf.protection.outlook.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.45.220, 172.67.219.130
IPv6 hints2606:4700:3032::6815:2ddc, 2606:4700:3032::ac43:db82
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=198, name=cloudflare-ech.com
SOAalec.ns.cloudflare.comdns@cloudflare.com serial=2399197085

Previously MX for

fncsf.ca

Same first word

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DNS History

5 records (4 active, 1 former)

20162017201820192020202120222023202420252026A104.21.45.220172.67.219.1302606:4700:3032::6815:2ddc2606:4700:3032::ac43:db82216.70.64.149
●A104.21.45.2202026-02-15 → 2026-04-15 · 3 obs
○ 2016-04-29 17:38:26
● 2026-02-15 09:42:08
● 2026-04-15 04:09:42
●A172.67.219.1302026-02-15 → 2026-04-15 · 3 obs
○ 2016-04-29 17:38:26
● 2026-02-15 09:42:08
● 2026-04-15 04:09:42
○A216.70.64.1492015-07-13 → 2016-04-29 · 4 obs
● 2015-07-13 05:17:10
● 2016-04-29 17:38:26
○ 2026-02-15 09:42:08
○ 2026-04-15 04:09:42
●A2606:4700:3032::6815:2ddc2026-02-15 → 2026-04-15 · 3 obs
○ 2016-04-29 17:38:26
● 2026-02-15 09:42:08
● 2026-04-15 04:09:42
●A2606:4700:3032::ac43:db822026-02-15 → 2026-04-15 · 3 obs
○ 2016-04-29 17:38:26
● 2026-02-15 09:42:08
● 2026-04-15 04:09:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cac.ca-servers.ca, d.ca-servers.ca, j.ca-servers.ca, any.ca-servers.ca-
fncsf.caalec.ns.cloudflare.com, aron.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.59.59

NS records: alec.ns.cloudflare.com, aron.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fncsf.ca (unsigned zone)

⏱️ Timing

Total: 196ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.45.220, 172.67.219.130
AAAA22606:4700:3032::6815:2ddc, 2606:4700:3032::ac43:db82
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mail.fncsf.ca maps to four IP numbers: 2606:4700:3032::6815:2ddc, 2606:4700:3032::ac43:db82, 104.21.45.220 and 172.67.219.130.

Other host names, for instance dicolink.com, www.imghub.net, fenixerp.com.br, www.yongfachem.com and yongfachem.com share IP numbers with mail.fncsf.ca.