CF1760186205313-tsm20251011071822

WWW.ROBTEX.COM - pb-smtp20.pobox.com

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pb-smtp20.pobox.com checked at 2025-10-11T12:36:45.293Z 129ms 148/148/148 100% R:8

pb-smtp20.pobox.com

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
A202.12.124.216FASTMAILPTYLTD-AS-AP
PTRstl-mx-01.messagingengine.com
A202.12.124.217FASTMAILPTYLTD-AS-AP
PTRstl-mx-02.messagingengine.com
A103.168.172.37🇺🇸 FASTMAILPTYLTD-AS-AP
PTRuserweb.fastmail.com
A103.168.172.52🇺🇸 FASTMAILPTYLTD-AS-AP
PTRuserweb.fastmail.com

pobox.com

NSfmns1.messagingengine.com
NSfmns2.messagingengine.com
MXin1-smtp.messagingengine.com
MXin2-smtp.messagingengine.com
A103.168.172.65🇺🇸 FASTMAILPTYLTD-AS-AP
rank #19914 globally
rank #10261 in the tld

AI analysis

pb-smtp20.pobox.com points to two IP numbers: 103.168.172.37 and 103.168.172.52.

Other host names such as my-computer.cruftlabs.com, chriseglington.com, kaliloshop.com, ehneilson.net and pikesoft.com share IP numbers with pb-smtp20.pobox.com.

pb-smtp20.pobox.com is handled by two mail servers: in1-smtp.messagingengine.com and in2-smtp.messagingengine.com.

pb-smtp20.pobox.com uses the same mail server setup as other domains, for instance spoinkle.com, erbium.com, nucleardog.org, lion.bogh.it and ctb.sixthgear.ca.

Some mail servers are shared between pb-smtp20.pobox.com and other domains, for instance shtepiaime.com.

Eight IPs for host names:

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 IPs for host names:

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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jZZTdWo CF johedugfp 2025-10-11