mail.fsanfu.com - robtex.com

mail.fsanfu.com

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:c69a🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:1579🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.21.121Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.198.154🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.21.121, 172.67.198.154
IPv6 hints2606:4700:3031::ac43:c69a, 2606:4700:3036::6815:1579
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=23, name=cloudflare-ech.com

fsanfu.com

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:c69a🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:1579🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.21.121Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.198.154🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NShank.ns.cloudflare.com ⭐
NSshubhi.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.21.121, 172.67.198.154
IPv6 hints2606:4700:3031::ac43:c69a, 2606:4700:3036::6815:1579
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=23, name=cloudflare-ech.com
SOAhank.ns.cloudflare.comdns@cloudflare.com serial=2410078830

Previously MX for

fsanfu.com

Same first word

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DNS History

6 records (4 active, 2 former)

20162017201820192020202120222023202420252026A104.21.21.121172.67.198.1542606:4700:3031::ac43:c69a2606:4700:3036::6815:1579156.237.197.238203.88.192.173
●A104.21.21.1212026-08-03 → 2026-08-03 · 2 obs
○ 2026-04-17 22:04:18
● 2026-08-03 05:20:04
○A156.237.197.2382026-04-17 → 2026-04-17 · 3 obs
○ 2016-04-21 23:45:42
● 2026-04-17 22:04:18
○ 2026-08-03 05:20:04
●A172.67.198.1542026-08-03 → 2026-08-03 · 2 obs
○ 2026-04-17 22:04:18
● 2026-08-03 05:20:04
○A203.88.192.1732015-06-24 → 2016-04-21 · 4 obs
● 2015-06-24 18:02:44
● 2016-04-21 23:45:42
○ 2026-04-17 22:04:18
○ 2026-08-03 05:20:04
●A2606:4700:3031::ac43:c69a2026-08-03 → 2026-08-03 · 2 obs
○ 2026-04-17 22:04:18
● 2026-08-03 05:20:04
●A2606:4700:3036::6815:15792026-08-03 → 2026-08-03 · 2 obs
○ 2026-04-17 22:04:18
● 2026-08-03 05:20:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
fsanfu.comhank.ns.cloudflare.com, shubhi.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.63

NS records: hank.ns.cloudflare.com, shubhi.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fsanfu.com (unsigned zone)

⏱️ Timing

Total: 136ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.21.121, 172.67.198.154
AAAA22606:4700:3031::ac43:c69a, 2606:4700:3036::6815:1579
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (hank.ns.cloudflare.com, hank.ns.cloudflare.com, hank.ns.cloudflare.com...)

Analysis

IP Addresses

mail.fsanfu.com directs to four IP numbers, which are 104.21.21.121, 172.67.198.154, 2606:4700:3031::ac43:c69a and 2606:4700:3036::6815:1579.

sysinfo.com.tw, omnidigit.com, powdermetallurgyparts.com plus two other host names have IP numbers in common with mail.fsanfu.com.