CF1759668728681-tsm20251005092912

NSLIST.NET - group.theory.org

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group.theory.org checked at 2025-10-05T12:52:08.655Z 138ms 74/74/74 100% R:10

group.theory.org

MXin1-smtp.messagingengine.com
A103.168.172.216🇺🇸 FASTMAILPTYLTD-AS-AP
PTRphl-mx-01.messagingengine.com
A103.168.172.217🇺🇸 FASTMAILPTYLTD-AS-AP
PTRphl-mx-02.messagingengine.com
A103.168.172.218🇺🇸 FASTMAILPTYLTD-AS-AP
PTRphl-mx-03.messagingengine.com
A103.168.172.219🇺🇸 FASTMAILPTYLTD-AS-AP
PTRphl-mx-04.messagingengine.com
A103.168.172.220🇺🇸 FASTMAILPTYLTD-AS-AP
PTRphl-mx-05.messagingengine.com
A103.168.172.221🇺🇸 FASTMAILPTYLTD-AS-AP
PTRphl-mx-06.messagingengine.com
A103.168.172.222🇺🇸 FASTMAILPTYLTD-AS-AP
PTRphl-mx-07.messagingengine.com
A103.168.172.223🇺🇸 FASTMAILPTYLTD-AS-AP
PTRphl-mx-08.messagingengine.com
MXin2-smtp.messagingengine.com
A202.12.124.216 FASTMAILPTYLTD-AS-AP
PTRstl-mx-01.messagingengine.com
A202.12.124.217 FASTMAILPTYLTD-AS-AP
PTRstl-mx-02.messagingengine.com

theory.org

MXin1-smtp.messagingengine.com
MXin2-smtp.messagingengine.com
NSanuj.ns.cloudflare.com
NSdahlia.ns.cloudflare.com
A2600:3c01::2000:f4ff:fe98:c6df 🇺🇸 Linode AS63949
A45.33.33.123🇺🇸 Linode AS63949
rank #184464 globally
rank #16392 in the tld

Starts with same word

Starts similarily

AI analysis

group.theory.org is handled by two mail servers: in1-smtp.messagingengine.com and in2-smtp.messagingengine.com.

group.theory.org uses the same mail server setup as other domains, for instance textbench.com, flamingsteel.net, martino.net.au, kylesmith.us and ns03.opensystems.com.au.

group.theory.org shares at least some mail servers with other domains, for instance chapelhill.homeip.net.

Eight IP numbers: in1-smtp.messagingengine.com points to 103.168.172.216, 103.168.172.217, 103.168.172.218, 103.168.172.219, 103.168.172.220, 103.168.172.221, 103.168.172.222 and 103.168.172.223.

Two IP numbers: in2-smtp.messagingengine.com points to 202.12.124.216 and 202.12.124.217.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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iiYhPzM CF johedugfp 2025-10-05