mx3.cdfdoc.com.ar - robtex.com

mx3.cdfdoc.com.ar

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:107f🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:d4b4🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.16.127Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.212.180🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.16.127, 172.67.212.180
IPv6 hints2606:4700:3031::6815:107f, 2606:4700:3037::ac43:d4b4
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=252, name=cloudflare-ech.com

cdfdoc.com.ar

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:107f🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:d4b4🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.16.127Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.212.180🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSnia.ns.cloudflare.com ⭐
NSstan.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.16.127, 172.67.212.180
IPv6 hints2606:4700:3031::6815:107f, 2606:4700:3037::ac43:d4b4
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=252, name=cloudflare-ech.com
SOAnia.ns.cloudflare.comdns@cloudflare.com serial=2402042955

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DNS History

5 records (4 active, 1 former)

197019751980198519901995200020052010201520202025A104.21.16.127172.67.212.1802606:4700:3031::6815:107f2606:4700:3037::ac43:d4b4190.228.29.31
●A104.21.16.1272026-03-26 → 2026-05-10 · 3 obs
○ 2017-05-25 01:46:36
● 2026-03-26 17:08:48
● 2026-05-10 00:55:16
●A172.67.212.1802026-03-26 → 2026-05-10 · 3 obs
○ 2017-05-25 01:46:36
● 2026-03-26 17:08:48
● 2026-05-10 00:55:16
○A190.228.29.311970-01-01 → 1970-01-01 · 3 obs
● 1970-01-01 00:00:00
○ 2017-05-25 01:46:36
○ 2026-05-10 00:55:16
●A2606:4700:3031::6815:107f2026-03-26 → 2026-05-10 · 3 obs
○ 2017-05-25 01:46:36
● 2026-03-26 17:08:48
● 2026-05-10 00:55:16
●A2606:4700:3037::ac43:d4b42026-03-26 → 2026-05-10 · 3 obs
○ 2017-05-25 01:46:36
● 2026-03-26 17:08:48
● 2026-05-10 00:55:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
arc.dns.ar, d.dns.ar, e.dns.ar, f.dns.ar-
cdfdoc.com.arstan.ns.cloudflare.com, nia.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.193.235

NS records: stan.ns.cloudflare.com, nia.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cdfdoc.com.ar (unsigned zone)

⏱️ Timing

Total: 226ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.16.127, 172.67.212.180
AAAA22606:4700:3031::6815:107f, 2606:4700:3037::ac43:d4b4
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mx3.cdfdoc.com.ar resolves to four IP numbers: 2606:4700:3031::6815:107f, 2606:4700:3037::ac43:d4b4, 104.21.16.127 and 172.67.212.180.

other host names for instance katholisches-klinikum.de, dyttys.com, www.groupagh.com, mail.mobileshredding.co.uk and namigreenvillesc.org share IP numbers with mx3.cdfdoc.com.ar.