Non-authoritative answer: newxd.com MX preference = 10, mail exchanger = 218.57.37.160 而正确的域名解析是 newxd.com MX preference = 10, mail exchanger =mail.newxd.com(MX记录) mail.newxd.com internet address = 218.57.37.160 (A记录) 您的ptr记录是 160.3 ...
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Non-authoritative answer: newxd.com MX preference = 10, mail exchanger = 218.57.37.160 而正确的域名解析是 newxd.com MX preference = 10, mail exchanger =mail.newxd.com(MX记录) mail.newxd.com internet address = 218.57.37.160 (A记录) 您的ptr记录是 160.3 ...