wiseTools: Services for Email Administrators

These are the tools we use every day in troubleshooting delivery issues for our clients. We use data from publicly available sources, and share the tools freely here for your use.


Look up IP and IPv6 addresses, hostnames, MX and text records, nameservers and more.

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Check SPF and DKIM records to authenticate senders.

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Find and decode encoded text and image strings.

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