刚才在看反相解析的信息
Answer:
202.152.181.206 PTR record: mail.atkee.net.
202.152.181.206 PTR record: mail.atkee.com.
Details:
You have more than one PTR record for 202.152.181.206.This is legal, but most programs will only use
the first PTR record listed (which may vary).Best practice is to have just one PTR record.
我设了两条记录。看到了“Best practice is to have just one PTR record”这句话在想会不会是因为这个原因，把.net那一条去了，163.com就能发信过来了。
现在就剩sina.com和sohu.com还有问题了
这是sohu.com的返回信息
<hater@atkee.com>: Name service error for atkee.com: Host found but no data
record of requested type
"no datarecord of requested type"这句话指的是什么呢？ 今天sina.com可以了但163.com又不中了。说DNS QUERY ERROR.
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