有些我经常去的网站上不了，求助斑主

有些我经常去的网站上不了
机子上有如下提示
请问斑主这是怎么回事！？Problem Report
The system detected an Unresolved Host Name while attempting to resolve the host specified in the requested URL.

Message ID
UNRESOLVED_HOSTNAME

Problem Description
DNS resolution failure encountered.

Possible Problem Cause
The host entered has a mistake, or the requested Web site is temporarily unavailable in DNS.

Possible Solution
Examine or correct any mistakes, or try again at a later time.

[em04][em04][em04][em12][em12][em12]有些我经常去的网站上不了
机子上有如下提示
请问斑主这是怎么回事！？Problem Report
The system detected an Unresolved Host Name while attempting to resolve the host specified in the requested URL.

Message ID
UNRESOLVED_HOSTNAME

Problem Description
DNS resolution failure encountered.

Possible Problem Cause
The host entered has a mistake, or the requested Web site is temporarily unavailable in DNS.

Possible Solution
Examine or correct any mistakes, or try again at a later time.

[em04][em04][em04][em12][em12][em12]