Feed Validator issue is breaking service

[bejez]

Hello,

It looks like http://feedvalidator.org/ is dead, and that services provided at http://feedvalidator.org/check.cgi can now be found https://validator.w3.org/feed/check.cgi. Can you please update?

Thank You

Error: Feed failed! Causes may be (1) No data found for RSS feed https://retirementresearcher.com/feed/; (2) There are no items are available for this feed; (3) The RSS feed does not validate.

Please verify that the URL https://retirementresearcher.com/feed/ works first in your browser and that the feed passes a validator test.