smtp.mx.plex.name - robtex.com

smtp.mx.plex.name

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:4ca9🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::ac43:c5c5🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.76.169Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.197.197🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.76.169, 172.67.197.197
IPv6 hints2606:4700:3030::6815:4ca9, 2606:4700:3031::ac43:c5c5
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=37, name=cloudflare-ech.com

mx.plex.name

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:4ca9🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::ac43:c5c5🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.76.169Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.197.197🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.76.169, 172.67.197.197
IPv6 hints2606:4700:3030::6815:4ca9, 2606:4700:3031::ac43:c5c5
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=37, name=cloudflare-ech.com

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DNS History

8 records (4 active, 4 former)

A104.21.76.169172.67.197.1972606:4700:3030::6815:4ca92606:4700:3031::ac43:c5c5188.114.96.0188.114.97.02a06:98c1:3120::42a06:98c1:3121::4
●A104.21.76.1692026-03-08 → 2026-04-13 · 3 obs
○ 2026-03-01 01:40:24
● 2026-03-08 12:58:16
● 2026-04-13 15:14:38
●A172.67.197.1972026-03-08 → 2026-04-13 · 3 obs
○ 2026-03-01 01:40:24
● 2026-03-08 12:58:16
● 2026-04-13 15:14:38
○A188.114.96.02026-03-01 → 2026-03-01 · 3 obs
● 2026-03-01 01:40:24
○ 2026-03-08 12:58:16
○ 2026-04-13 15:14:38
○A188.114.97.02026-03-01 → 2026-03-01 · 3 obs
● 2026-03-01 01:40:24
○ 2026-03-08 12:58:16
○ 2026-04-13 15:14:38
●A2606:4700:3030::6815:4ca92026-03-08 → 2026-04-13 · 3 obs
○ 2026-03-01 01:40:24
● 2026-03-08 12:58:16
● 2026-04-13 15:14:38
●A2606:4700:3031::ac43:c5c52026-03-08 → 2026-04-13 · 3 obs
○ 2026-03-01 01:40:24
● 2026-03-08 12:58:16
● 2026-04-13 15:14:38
○A2a06:98c1:3120::42026-03-01 → 2026-03-01 · 3 obs
● 2026-03-01 01:40:24
○ 2026-03-08 12:58:16
○ 2026-04-13 15:14:38
○A2a06:98c1:3121::42026-03-01 → 2026-03-01 · 3 obs
● 2026-03-01 01:40:24
○ 2026-03-08 12:58:16
○ 2026-04-13 15:14:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nameac1.nstld.com, ac2.nstld.com, ac3.nstld.com, ac4.nstld.com8 records
plex.namesergi.ns.cloudflare.com, nora.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.195.68

NS records: sergi.ns.cloudflare.com, nora.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for plex.name (unsigned zone)

⏱️ Timing

Total: 306ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.197.197, 104.21.76.169
AAAA22606:4700:3031::ac43:c5c5, 2606:4700:3030::6815:4ca9
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ac1.nstld.com, ac2.nstld.com, ac3.nstld.com...)

Analysis

IP Addresses

smtp.mx.plex.name points to four IP numbers: 2606:4700:3030::6815:4ca9, 2606:4700:3031::ac43:c5c5, 104.21.76.169 and 172.67.197.197.

For instance, other host names pixelarenazone.us, clubvn.net, contemporarylynx.co.uk, cabinet-martin.fr and china-zbj.com share IP numbers with smtp.mx.plex.name.