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如何查看域名反向解析

2020-04-29 13:47:57
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來源:轉載
供稿:網友

  如果自己做郵件服務器,一般的情況下是需要做域名反向解析的,可以讓IP提供商幫忙做。

  如果自己做郵件服務器,一般的情況下是需要做域名反向解析的,可以讓IP提供商幫忙做。

  域名反向解析查看命令

  查看反向解析是否成功,可用如下命令:nslookup –qt=ptr yourIP,從返回的信息中您可以看到反向解析的結果。

  nslookup –qt=ptr yourIP

  比如我的域名是diyway.net

  我的郵件服務器地址是: mail.kerry.net

  郵箱用戶名稱格式為username@kerry.net

  在郵件服務器上設置郵件系統的HELO為:mx.kerry.net

  郵件服務器IP為 :59.166.155.111

  找當地電信做59.166.155.111這個IP反解析到mx.kerry.net

  在Windows系統中,在運行命令下 輸入 cmd 再在打開的窗口輸入 nslookup –qt=ptr 59.166.155.111

  返回信息如下:

  C:/Documents and Settings/user>nslookup –qt=ptr 59.166.155.111

  Server: mx.kerry.net

  Address: 59.166.155.111

  說明這個IP的反解析就是成功了。

  返回信息如下

  C:/Documents and Settings/user>nslookup –qt=ptr 59.166.155.111

  *** Can't find server name for address 59.166.155.1: Non-existent domain

  Server: UnKnown

  Address: 59.166.155.111

  說明這個IP的反解析沒有作。


(責任編輯:武林網)

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