FAIL: I've found mail servers without A records:
-- mail.playercloud.in. → ?
To reach your mail servers via IPv4 an A record is needed for each mail server.
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FAIL: Connection to all mail servers failed.
mail.playercloud.in.: dial tcp: lookup mail.playercloud.in.: no such host
To receive emails, mail servers should allow TCP connections on port 25.
Did you add A record for mail ?
-- mail.playercloud.in. → ?
To reach your mail servers via IPv4 an A record is needed for each mail server.
--------------------------------------------------------------------------------
FAIL: Connection to all mail servers failed.
mail.playercloud.in.: dial tcp: lookup mail.playercloud.in.: no such host
To receive emails, mail servers should allow TCP connections on port 25.
Did you add A record for mail ?