Well, since I needed a quick confirmation, I opened a case with Care. Gage Decker from Genesys checked with Dev and the answer was:
It shouldn't be an issue since it is sending and the TXT is used to verify the sending service belongs to the customer rather than any kind of routing decision.
So, for anyone who searches this subject, the answer is, no problem.
Cheers.
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Facundo Nowicky
Interaxa S.A.
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