How to Implement a 301 Redirect for a Blocked Domain?

March 24, 2025

Introduction #

When one of your domains is blocked (i.e., “walled off” and inaccessible), you may want to use a 301 redirect (also known as a 301 permanent redirect) to guide users from the inaccessible domain (the blocked one) to another unblocked domain or server. This improves user experience and helps retain some of your traffic.

Confirming That a Domain Is Blocked #

Before setting up a 301 redirect, rule out other possibilities (such as network issues or DNS resolution problems) to confirm whether the domain is truly blocked. Typically, a blocked domain exhibits the following behavior: it cannot be accessed directly in some regions but remains accessible in others. Verify that your domain is indeed blocked and that this is the reason you wish to proceed with a 301 redirect.

Can Domain Blocking Be Resolved Through ICP Filing?

March 21, 2025

What Does “Walled” Mean? #

“Being walled off” refers to a situation where certain websites or services cannot be accessed normally via the internet due to various reasons. In some countries, foreign websites may be blocked for reasons related to cybersecurity and regulatory management.

Domain blocking typically means that a domain is intercepted by a firewall in certain countries or regions, rendering it inaccessible. This often occurs because the website’s content violates regulations, such as containing illegal, pornographic, violent, or gambling-related material, or touching on sensitive topics like politics, religion, or ethnicity, thereby breaching relevant laws and regulations. Additionally, factors such as a blocked server IP, DNS issues, or fraudulent activities by black-hat operators may also lead to a domain being walled off.

Can blocked domains be return to normal?

March 17, 2025

Introduction #

Whether a domain that has been blocked can regain access depends on multiple factors, including the specific reasons for the blockage, the attitude of network management authorities, and relevant technical measures.

If a domain has been “blocked,” restoring access typically requires submitting an official unblocking application through legal channels. Below are some common reasons for being blocked and corresponding solutions:

Confirm Whether the Domain Has Been Officially Blocked #

• Test using different network environments or devices to ensure that the issue is not a temporary network outage.
• Contact users in other regions to confirm whether they also cannot access the domain.

Understand the Reason for the Blockage #

First, try accessing relevant websites to check if there are any clear notices or explanations regarding the blockage. Domains are usually blocked because their content does not comply with local laws and regulations, such as involving sensitive topics or illegal information. Knowing the specific reason for the blockage is essential for formulating an effective solution.