domain verification failed

hello, i want to ask. I tried to verified my organization domain, and already upload the file under mydomain.***/.well-known/apple-developer-domain-association.txt . And when i verify my domain i got error with message only says "Verification failed for domain". I noticed that my org is redirecting all traffic to domain with www.mydomain.*** instead of mydomain.***, and domain that i register is mydomain.*** . I cant register www.mydomain.*** because it is not spf compliant. Any idea how can i resolve this and to verify my domain? Thanks