Why It Matters for Sender Reputation
A DNS record that maps an IP address back to a hostname (reverse DNS). Required for proper mail server config. Understanding this concept is essential for maintaining good email deliverability and protecting your domain's sender reputation.
How It Works
Your email infrastructure configuration directly impacts how mailbox providers evaluate your domain. Proper setup of DNS records, mail servers, and encryption ensures reliable email delivery.
Practical Example
When configuring your email sending infrastructure, paying attention to ptr record is critical. A misconfiguration or oversight in this area can lead to decreased deliverability, increased spam filtering, or even blacklisting.
Check your setup: Use our Sender Reputation Checker to verify your domain's configuration and get your free Sender Reputation Score.