Practical guides to domains, DNS and email, explained clearly and with examples you can follow along.
Guides
Website, email or SSL certificate: behind every domain there is a handful of DNS records. This guide shows what the most important record types do and where the typical mistakes happen in practice.
Read more →Guides
Without SPF, DKIM and DMARC, emails increasingly end up in spam, and scammers can send in your name. Here you will learn how the three records are structured and how to roll them out step by step.
Read more →Guides
You changed a DNS record, but some people still see the old website. That is not due to slow distribution but to caches. Once you understand how they work, you can plan changes with almost no waiting time.
Read more →Guides
Moving a domain, DNS or website is quick when it is well prepared. This checklist guides you through every step before, during and after the switch, so your website and email keep working throughout.
Read more →Our guides explain the technology behind domains and email without jargon. Every article includes examples and common mistakes, and links to the matching NetScanner tool so you can apply what you have learned to your own domain right away.
Looking for something specific? Start straight away with a full scan of your domain.
We use Google Analytics to understand how NetScanner is used. Analytics only starts with your consent. Your lookups are never sent.Learn more