When i try to access carrier service on my iPhone i keep being redirected to a browser warning that the site is unsafe

Practically every suggestion involving carrier services says to go to settings then general, about, carrier service. Problem with that is when I tap it this is what happens:GET SENT TO: http: redirect.ultra.me.apple/myaccount. WHICH JUST RESULTS IN THE WORD, Unauthorized and a browser warning that the site is unsafe

[Re-Titled by Moderator]