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Ask HN: Verify corporate email address as Gmail or Outlook?
For a corporate email address is there a way to check its email provider?
- viraptor 9y agoYou can resolve the MX record on the domain. For example at https://mxtoolbox.com/SuperTool.aspx?action=mx%3amxtoolbox.com&run=toolpage https://mxtoolbox.com/SuperTool.aspx?action=mx%3amxtoolbox.c... - you can see the mxtoolbox is directing the mail to aspmx.l.google.com which is basically google mail.