CNAME records in place of A records

Fri Nov 6 10:07:26 UTC 2020

Hi,

Sorry if this is a bit OT. Recently several different vendors (in
completely different fields) where they white label for us asked us to
remove A records that we have going to them and replace them with CNAME
records. Is there anything *going around* in the security aranea  that has
caused this?
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