mx4.openpop3.com - robtex.com

mx4.openpop3.com

DNSSEC⚠️ Not signed
A2607:f790:ffff:ff20::48🇺🇸 AS121292607:f790::/32
A209.124.55.47🇺🇸 AS12129209.124.32.0/19

openpop3.com

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:9224🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:aad🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.10.173Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.146.36🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSamy.ns.cloudflare.com ⭐
NSlee.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.10.173, 172.67.146.36
IPv6 hints2606:4700:3033::ac43:9224, 2606:4700:3037::6815:aad
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=105, name=cloudflare-ech.com
SOAamy.ns.cloudflare.comdns@cloudflare.com serial=2402606853

Previously MX for

mediafrog.co.uk

Same first word

mx4.fr
mx4.cn
mx4.org
mx4.kinghost.net
mx4.net
mx4.fitness
mx4.ru
mx4.in-berlin.de
mx4.gov.ru
mx4.cloudaccess.net
mx4.gouv.ci
mx4.biz
mx4.ch
mx4.pb.gov.br
mx4.me
mx4.info
mx4.com
mx4.de
mx4.uni5.net
mx4.pl
mx4.dk
mx4.vg
mx4.ca

Similar names

xm4.de
x4m.it
4mx.com
4mx.it
4mx.se
4xm.be
x4m.cn
x4m.org
4mx.de
m4x.co.uk
m4x.us
m4x.org
4mx.at
4mx.net
xm4.ru
m4x.pl
xm4.com
4xm.ca
m4x.cn
m4x.biz
m4x.pw
4xm.cn
m4x.nl
xm4.net
m4x.at
4xm.com
m4x.de
m4x.fr
m4x.fun
m4x.co
4mx.info
m4x.co.at
x4m.eu
m4x.ru
x4m.net
x4m.com
xm4.online
4xm.nl
x4m.de
4xm.de
4xm.dk
m4x.im
m4x.eu
m4x.info
m4x.dk
4xm.cc
x4m.ru
x4m.co
m4x.ca
4xm.eu
4xm.pl
m4x.com
4xm.net
4xm.biz
m4x.net

DNS History

3 records (2 active, 1 former)

20162017201820192020202120222023202420252026A209.124.55.472607:f790:ffff:ff20::4887.106.253.228
●A209.124.55.472026-02-23 → 2026-04-26 · 3 obs
○ 2016-12-22 21:30:00
● 2026-02-23 13:35:14
● 2026-04-26 05:55:16
●A2607:f790:ffff:ff20::482026-02-23 → 2026-04-26 · 3 obs
○ 2016-12-22 21:30:00
● 2026-02-23 13:35:14
● 2026-04-26 05:55:16
○A87.106.253.2282015-08-09 → 2016-12-22 · 4 obs
● 2015-08-09 04:49:34
● 2016-12-22 21:30:00
○ 2026-02-23 13:35:14
○ 2026-04-26 05:55:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
openpop3.comamy.ns.cloudflare.com, lee.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.129

NS records: amy.ns.cloudflare.com, lee.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for openpop3.com (unsigned zone)

⏱️ Timing

Total: 205ms | Queries: -

📄 Records

TypeCountSample Data
A1209.124.55.47
AAAA12607:f790:ffff:ff20::48

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mx4.openpop3.com resolves to two IP numbers: 2607:f790:ffff:ff20::48 and 209.124.55.47.

Other host names, for instance mx4.4-speed.net, mx5.mtahosting.com, smtp3.mxmailer.org, mx6.easymx01.com and mx4.mtaemail.com share IP numbers with mx4.openpop3.com.