mail.flexsys.mx - dns.ninja

mail.flexsys.mx

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:15ce🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:c855🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.21.206Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.200.85🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.21.206, 172.67.200.85
IPv6 hints2606:4700:3031::6815:15ce, 2606:4700:3037::ac43:c855
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=95, name=cloudflare-ech.com

flexsys.mx

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:15ce🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:c855🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.21.206Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.200.85🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScody.ns.cloudflare.com ⭐
NSpam.ns.cloudflare.com
MX_dc-mx.0f1a960f95a1.flexsys.mx ⭐
MXp3plcpnl0529.prod.phx3.secureserver.net ⭐
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.21.206, 172.67.200.85
IPv6 hints2606:4700:3031::6815:15ce, 2606:4700:3037::ac43:c855
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=95, name=cloudflare-ech.com
SOAcody.ns.cloudflare.comdns@cloudflare.com serial=2411034285

MX for

cosmered.com

Previously MX for

flexsys.mx

Same first word

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DNS History

6 records (4 active, 2 former)

A104.21.21.206172.67.200.852606:4700:3031::6815:15ce2606:4700:3037::ac43:c8552606:4700:3031::ac43:c8552606:4700:3033::6815:15ce
●A104.21.21.2062026-02-18 → 2026-08-02 · 2 obs
● 2026-02-18 01:17:36
● 2026-08-02 20:26:44
●A172.67.200.852026-02-18 → 2026-08-02 · 2 obs
● 2026-02-18 01:17:36
● 2026-08-02 20:26:44
●A2606:4700:3031::6815:15ce2026-06-22 → 2026-08-02 · 3 obs
○ 2026-06-11 12:53:54
● 2026-06-22 07:06:50
● 2026-08-02 20:26:44
○A2606:4700:3031::ac43:c8552026-02-18 → 2026-06-11 · 4 obs
● 2026-02-18 01:17:36
● 2026-06-11 12:53:54
○ 2026-06-22 07:06:50
○ 2026-08-02 20:26:44
○A2606:4700:3033::6815:15ce2026-02-18 → 2026-06-11 · 4 obs
● 2026-02-18 01:17:36
● 2026-06-11 12:53:54
○ 2026-06-22 07:06:50
○ 2026-08-02 20:26:44
●A2606:4700:3037::ac43:c8552026-06-22 → 2026-08-02 · 3 obs
○ 2026-06-11 12:53:54
● 2026-06-22 07:06:50
● 2026-08-02 20:26:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
mxc.mx-ns.mx, o.mx-ns.mx, e.mx-ns.mx, m.mx-ns.mx...-
flexsys.mxpam.ns.cloudflare.com, cody.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.59.107

NS records: pam.ns.cloudflare.com, cody.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for flexsys.mx (unsigned zone)

⏱️ Timing

Total: 989ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.21.206, 172.67.200.85
AAAA22606:4700:3037::ac43:c855, 2606:4700:3031::6815:15ce
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

Mail Server Role

mail.flexsys.mx serves as a mail server for cosmered.com.

IP Addresses

mail.flexsys.mx points to the four IP addresses 104.21.21.206, 172.67.200.85, 2606:4700:3031::6815:15ce and 2606:4700:3037::ac43:c855.

Additional host names — whirmixer.com, 51ccczh.com, the-circle.team and two others — share IP numbers with mail.flexsys.mx.