What SPF Is and Why It Matters for Email Deliverability and Security How Sender Policy Framework works within DNS and the ...

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 ...

If i manually create the A Pointer record for the ESXi host then run the scripts again it joins to the domain and vCenter without any trouble. But during the ESXi install when it gets its DHCP address ...