It is easier to remember and identify a domain name than a string of numbers.
Sites will still load fine in the absence of a reverse DNS record. Many mail servers are set to automatically reject messages from an IP address that does not have rDNS in place. Though the rDNS record can block spam, it is not a reliable means and is used mostly as an extra layer of protection.
How To Use nslookup Command & Dig Command For DNS Check Test
It is also important to note that merely enabling rDNS can still result in rejected messages due to a variety of reasons. Additionally, rDNS is also used in logging to help provide human readable data rather than logs consisting entirely of IP addresses.
Numerous online tools can be used to perform a rDNS lookup. A few examples of these online tools are linked below:.
nslookup: What is & what does nslookup do [+examples] - IONOS
You can also perform a rDNS lookup manually from command line. An example of the Linux command and its output shown below:. Never used Search Console before? Start here, whether you're a complete beginner, an SEO expert, or a website developer. Google Help.
Reverse DNS lookup
Send feedback on Help Center Community. Search Console.
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