Domain Name History Search. Some tools require you to pay for their service but if you want one that is 100 free use whois. The records include but not limited to A AAAA CNAME MX NS PTR SRV SOA TXT CAA.
A WhoIs IP search can also help you potentially determine the source of spam and other details related to a website. Some tools require you to pay for their service but if you want one that is 100 free use whois. For this example well use the traditional curl command from the Linux terminal.
In addition to looking up a domain by IP Whois lookup can also help you validate your website code with one of several Domain and SEO tools including CSE HTML validator W3C HTML validator and the CSS Validator.
Enter the URL of the domain name you want to check. Start by typing in the exact domain you want or just keywords youre interested in into the domain search tool. 101 billion Historical WHOIS records. Domain Tools allows their registered premium users to browse.