CF1761034462601-tsm20251017082432

DNSWHOIS.INFO - fbl-rackspace.app.returnpath.net

Search for IP or hostnames:

fbl-rackspace.app.returnpath.net checked at 2025-10-21T08:14:22.586Z 133ms 114/114/114 100% R:10

fbl-rackspace.app.returnpath.net

MXus-smtp-inbound-1.mimecast.com
A170.10.128.141🇺🇸 Mimecast-NA
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.128.221🇺🇸 Mimecast-NA
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.128.242🇺🇸 Mimecast-NA
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.141🇺🇸 Mimecast-NA
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.221🇺🇸 Mimecast-NA
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.242🇺🇸 Mimecast-NA
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
MXus-smtp-inbound-2.mimecast.com
A170.10.128.141🇺🇸 Mimecast-NA
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.128.221🇺🇸 Mimecast-NA
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.128.242🇺🇸 Mimecast-NA
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.141🇺🇸 Mimecast-NA
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.221🇺🇸 Mimecast-NA
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.242🇺🇸 Mimecast-NA
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A3.230.217.114🇺🇸 Amazon
PTRec2-3-230-217-114.compute-1.amazonaws.com
A44.217.64.65🇺🇸 Amazon
PTRec2-44-217-64-65.compute-1.amazonaws.com
A54.204.232.99🇺🇸 Amazon
PTRec2-54-204-232-99.compute-1.amazonaws.com
A107.20.12.166🇺🇸 Amazon
PTRec2-107-20-12-166.compute-1.amazonaws.com

app.returnpath.net

NSns-203.awsdns-25.com
MXsmtp.sparkpostmail.com
NSns-917.awsdns-50.net
NSns-1076.awsdns-06.org
NSns-1609.awsdns-09.co.uk
A13.217.248.159🇺🇸 Amazon
A34.227.156.119🇺🇸 Amazon
A34.239.31.195🇺🇸 Amazon
A52.21.238.187🇺🇸 Amazon

AI analysis

fbl-rackspace.app.returnpath.net resolves to four IP numbers: 3.230.217.114, 44.217.64.65, 54.204.232.99 and 107.20.12.166.

Other host names such as fbl-fastmail.app.returnpath.net, fbl-libero.app.returnpath.net, ec2-107-20-12-166.compute-1.amazonaws.com, fbl-bluetie.app.returnpath.net and ec2-44-217-64-65.compute-1.amazonaws.com share IPs with fbl-rackspace.app.returnpath.net.

fbl-rackspace.app.returnpath.net is handled by two mail servers: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

The mail server setup for fbl-rackspace.app.returnpath.net matches that of other domains, for instance newamsterdamgin.com, eger.org, hino.com, bensman.com and stagecoachvineyard.com.

fbl-rackspace.app.returnpath.net shares at least partially some mail servers with other domains, including mckinleycollege.com, copsmonitoring.us, theteamcompanies.com, wbspecialties.com and dcpud.net.

Host names with six IP numbers:

Host name us-smtp-inbound-1.mimecast.com points to: 170.10.128.141, 170.10.128.221, 170.10.128.242, 170.10.132.141, 170.10.132.221 and 170.10.132.242.

Host name us-smtp-inbound-2.mimecast.com points to: 170.10.128.141, 170.10.128.221, 170.10.128.242, 170.10.132.141, 170.10.132.221 and 170.10.132.242.

Common targets for us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com: 170.10.128.141, 170.10.128.221, 170.10.128.242, 170.10.132.141, 170.10.132.221 and 170.10.132.242.

Host names that point to 170.10.128.141: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

Host names that point to 170.10.128.221: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

Host names that point to 170.10.128.242: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

Host names that point to 170.10.132.141: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

Host names that point to 170.10.132.221: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

Host names that point to 170.10.132.242: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

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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