DomainChecker simplifies your domain lookup process, putting everything you need to know about your sender domain in one place. You can easily manage your domain’s health and verify if your sender domain has the necessary authentication methods, like SPF, DKIM and DMARC.

We encourage you to check your domain today. Our tool uses a sophisticated traffic light warning system and key information prompts to clearly highlight what needs your immediate attention. Additionally, it ensures full authentication of all your mail streams. Optimize your configuration now to maximize inbox placement rates and boost your overall deliverability.

Domainchecker
  • Check NS records
  • SPF/DKIM
  • Sender domain alignment