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 ...

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 ...

DNS can be tricky. There is a lot to know and, even when you think you have a firm grasp on it, surprises still pop up. Reverse DNS and PTR record configuration is one of those sneaky topics, but it’s ...

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