CudaMail IP Address Checker

IP Address Checker

Check the IP Address for any site using this form.

Want to Check Your Own WAN IP?

Check the IP Address you are connecting from using this form.

CudaMail Amazing Support.

MX Record Checker

Check the MX Record for any domain using this form.

SPF Wizard

SPF Wizard

This external link takes you to SPF Wizard's website that guides you through the process of creating a new SPF record for your DNS domain:


MX Toolbox DNS Check

This external link takes you to the MX Toolbox dashboard, which includes a Blacklist Check ("Multi-RBL Lookup"). It's a good idea to check your mail server occasionally to ensure it hasn't wound up on a blacklist.

The Spammers Compendium - at Virus Bulletin

The Spammer's Compendium

This external link takes you to the Virus Bulletin website ( and "The Spammer's Compendium". It was started by John Graham-Cumming in January 2003 to keep track of the methods used by spammers. Since 2008 The Spammers' Compendium has been hosted on the VB website.