willem.com

How to get the SPF-record

Explaining an highly useful network tool

May 24, 2019 -

When you're building websites, apps or email services you may run into domain names and their configurations. When everything is working as it should, most of this is invisible. But when troubleshooting a domain name configuration, it may be necessary to dig a little deeper... read along to learn how!

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Using dig to get information about a domain name, willem.com
Using dig to get information about a domain name, willem.com
Using dig to get information about the SPF-records for a domain name, google.com
Using dig to get information about the SPF-records for a domain name, google.com
A map of the ARPANET in 1973... imaging mapping the internet today!  (Public domain)
A map of the ARPANET in 1973... imaging mapping the internet today! (Public domain)
The Domain Name System (DNS) links domain names to IP-addresses, which in turn are routed through cables. You're reading this - seriously! - through the cable connected to the server shown on this photo!
The Domain Name System (DNS) links domain names to IP-addresses, which in turn are routed through cables. You're reading this - seriously! - through the cable connected to the server shown on this photo!

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