the InboxSys DomainChecker™️

The DomainChecker ™

The DomainChecker ™ is designed to make your domain lookup life easier. Everything you need to know about your sender domain in one place. The DomainChecker ™ helps you to identify if your sender domain has the necessary authentication methods in place, such as SPF, DKIM & DMARC + much more.

We invite you to check your domain today. Includes a sophisticated traffic light warning system plus key information prompts which helps to illustrate what needs urgent attention. Ensure that all of your mail streams are fully authenticated. Optimise your configuration to maximise your Inbox placement rates.


Test your Campaigns
  • Check NS records
  • Sender domain alignment