如何检测邮件服务器 IP反向解析是否生效?
前面文章deepvps介绍过了如何做IP反向解析,详情点这里。那么,IP反向解析是否生效呢?下面介绍2种比较简单的方法:
1,ping -a 173.212.248.98 如果能ping出一个域名,就说明反解析成功了。
反解析IP范例:
ping -a 173.252.197.79 Pinging deepvps.com [173.252.197.79] with 32 bytes of data: Reply from 173.252.197.79: bytes=32 time=238ms TTL=47 Reply from 173.252.197.79: bytes=32 time=233ms TTL=47 Reply from 173.252.197.79: bytes=32 time=232ms TTL=47 Reply from 173.252.197.79: bytes=32 time=238ms TTL=47 Ping statistics for 173.252.197.79: Packets: Sent = 4, Received = 4, Lost = 0 (0% loss), Approximate round trip times in milli-seconds: Minimum = 232ms, Maximum = 238ms, Average = 235ms