Provide Visitor ID Service on an A-record

[#1]

Since we expect CNAME cloaking to be disabled soon with Safari and it already is with Brave, we need a short-term solution for consistent identity resolution for anonymous visitors to bridge the gap before a full transition to CJA or AEP.

[#2]

Do you have an internal visitor ID?  Sync it with the visitor api service.

It gets worse than just cname... do you use audience manager?  Demdex cookies are 3rd party...