Introduction #
Due to political, legal, and ideological reasons, some countries or regions implement blocking measures for specific websites, leading to certain domains being “blocked” (i.e., inaccessible). For website administrators, businesses, or individuals, identifying whether a domain is blocked and how to address the issue becomes particularly important. This article will analyze in detail the symptoms or manifestations of a domain being blocked and provide corresponding solutions to help readers better identify and respond to such problems.
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