mail.fitcom.com.vn - robtex.com

mail.fitcom.com.vn

DNSSEC⚠️ Not signed
A2606:4700:3036::6815:3759🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:925e🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.55.89Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.146.94🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.55.89, 172.67.146.94
IPv6 hints2606:4700:3036::6815:3759, 2606:4700:3036::ac43:925e
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=77, name=cloudflare-ech.com

fitcom.com.vn

DNSSEC⚠️ Not signed
A2606:4700:3036::6815:3759🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:925e🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.55.89Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.146.94🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSnancy.ns.cloudflare.com ⭐
NStrevor.ns.cloudflare.com
MXmail.fitcom.com.vn ⭐
TXTv=spf1 a mx ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.55.89, 172.67.146.94
IPv6 hints2606:4700:3036::6815:3759, 2606:4700:3036::ac43:925e
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=77, name=cloudflare-ech.com
SOAnancy.ns.cloudflare.comdns@cloudflare.com serial=2400818849

MX for

fitcom.com.vn

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DNS History

4 records (4 active, 0 former)

A104.21.55.89172.67.146.942606:4700:3036::6815:37592606:4700:3036::ac43:925e
●A104.21.55.892026-05-08 → 2026-05-09 · 2 obs
● 2026-05-08 11:02:10
● 2026-05-09 05:57:10
●A172.67.146.942026-05-08 → 2026-05-09 · 2 obs
● 2026-05-08 11:02:10
● 2026-05-09 05:57:10
●A2606:4700:3036::6815:37592026-05-08 → 2026-05-09 · 2 obs
● 2026-05-08 11:02:10
● 2026-05-09 05:57:10
●A2606:4700:3036::ac43:925e2026-05-08 → 2026-05-09 · 2 obs
● 2026-05-08 11:02:10
● 2026-05-09 05:57:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
vne.dns-servers.vn, c.dns-servers.vn, b.dns-servers.vn, a.dns-servers.vn...-
fitcom.com.vnnancy.ns.cloudflare.com, trevor.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.44.154

NS records: nancy.ns.cloudflare.com, trevor.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fitcom.com.vn (unsigned zone)

⏱️ Timing

Total: 957ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.146.94, 104.21.55.89
AAAA22606:4700:3036::ac43:925e, 2606:4700:3036::6815:3759
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

Mail Server Role

mail.fitcom.com.vn functions as a mail server for fitcom.com.vn.

IP Addresses

Four IP numbers are pointed to by mail.fitcom.com.vn: 2606:4700:3036::6815:3759, 2606:4700:3036::ac43:925e, 104.21.55.89 and 172.67.146.94.

other host names including mail.63229222.com, brunogblid.se, developer.com.tw, malta-airport-car.com and google.ewintech.workers.dev share IP numbers with mail.fitcom.com.vn.