privatelink.msidentity.com has no TXT records.
Question and response
Question
dig privatelink.msidentity.com. TXT
Answer
The response has no answer records.
Authority
privatelink.msidentity.com. 300 SOA a1-115.akam.net. aadnetsre.microsoft.com. 2020030336 3600 600 604800 300
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0