Проверка DKIM-записи домена

DNS-запись relay._domainkey.edcomm.ru с типом TXT опубликована:
v=DKIM1; h=sha256; k=rsa;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAhXIvRWr1lvd3oLGLPs2gYZeUCbCaMz4NoxYJIMQczE+uwB70TKv9v/yFgkOtUB+JvesuzUhTuWtA5+0xLWcYL4Gymoh8r/cGgful3UbEc0YsQfKzXc8CD9iEVEfxmpDUtGqaIl0klg
08MU7ELRkzlXA2ROFCWcmlAM31+10+ddcc+v/YP1Ps7yC07XA8r2PSZrKqxpEyL6zHjAYDrolRQwx+7+6e81DgKSYkCzyIqlgKutwX+NvDkY4SxehfiDk4w3s/oQUf7YHCfYIiUmInHAOzDUGY+LY0dzg8bHANO5u9Avqig6heNKF8ktXpQyCvI5wGor09YXrNFnl3+WMNbwIDAQAB