This repository tries to gather list of disposable email domains.
Multiple GitHub projects curate lists of disposable email domains, varying in popularity. The number of stars a repository accumulates can be seen as an indicator of its popularity, while the last commit date reflects its level of maintenance. Below, I've compiled a selection of such repositories (arranged by the current number of stars). It's important to note that the star count may not be the most accurate criterion for ranking, as stars could be attributed for reasons other than the list's effectiveness, such as ease of use in a particular programming language. Nonetheless, there may not be a more straightforward alternative for ordering the list.
An MX record is a configuration entry within the DNS zone that specifies which mail server is designated to manage the email for a particular domain. It can be checked by some command-line tools, for example:
nslookup -q=MX DOMAIN_NAME
dig -t mx DOMAIN_NAME
host -t MX DOMAIN_NAME
This can be helpful to verify if the domain is still valid or expired.