Systems, device and techniques are disclosed for evaluating domains to send emails while maintaining sender reputation. Registration records of a domain are retrieved. The registration records include a mail server record and one or more records linking the domain to another domain or to an IP address. The mail server record is verified to be associated with a domain that is not on a black list. A webpage is retrieved from a website associated with the one or more records linking the domain to another domain or to an IP address. The webpage is compared to webpages for websites that are on white lists. An electronic communications sending strategy is determined based on verifying that the mail server record is associated with a domain that is not on a blacklist and comparing of the webpage to webpages for websites that are on one or more white lists.