Businesses can create a sender policy framework (SPF) record on a domain to detect email spoofing and block spam. The SPF record defines authorized mail servers in the domain name system; if the ...

Add another layer of protection to your web presence. Create a CAA DNS record to specify which provider may issue certificates for your domain. As of September 2017, you now have an additional way to ...

I'm writing some playbooks to set up an XMPP server and that requires a couple of DNS entries. I have my playbook working on Route 53, but I'd like to make this usable for people who might not be ...

I know this breaks the RFC/standard/whatever, but I want to know if there is any real world downside. When setting up DNS entries in a Windows environment, I will create a zone for a single A record ...

Learn how DNS lookup and Dig Trace tools improve DNS monitoring, troubleshoot DNS records, boost website performance, and ...