Проверка DKIM-записи домена

DNS-запись mail._domainkey.ag.mos.ru с типом TXT опубликована:
v=DKIM1; t=s; s=email; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOC
AQ8AMIIBCgKCAQEAmyVuyLBJsmKCV043/xyX0yCSkzTGS8ZXTxY3JPR4h6iMoQ5CqiPz+Qa4gk9mo3u7S8JwCRwhgB9mpfl5mRnq0ONzfqJJ
s6Tva0Cg8B13rL9vo6qWs+jDQGG996Jf/mIIujSjC/nuGfi/k39YBsJVca
azfZfiWTtVy5jDdhlWfrs5QuyF793+IB52nvklTD0WFgkNfIXM1j+FE6o6xZS/
0wi9a4+M+sYesx7ZltY/6Fluz8ZAKHLHKI3n8yE8KgAomMoo0fyuNn3NGTpIWGgzyk+
LIHTU+hBDQP7yAC1Ioa7ukuDIi4stTHexS3GqysgzvdVYccu/FZcl4MI6f
wqgWQIDAQAB