Blog posts on the Tumblr service typically have complex addresses, such as "http://example.tumblr.com/post/66173636127." This type of URL can be difficult to remember or share, but you can customize it in two ways. You can set a custom URL for a specific post. With this method, readers still see an address beginning with "example.tumblr.com." A more advanced approach uses a custom domain name. This second method means that visitors access your blog though a premium domain name, such as "custom.com."

Use a Custom URL for a Specific Post

Step 1

Log in to the Tumblr website. On the Tumblr dashboard, click on the name of the blog you wish to change.

Step 2

Find the specific blog post that you want to modify, select the gear icon underneath the post and click "Edit."

Step 3

Click on the gear icon again to reveal advanced options. Locate the field labeled "Custom URL." Enter the name you want to use for the custom URL, then click "Save Post."

Use a Custom Domain Name for the Entire Blog

Step 1

Register your desired domain name with an ICANN-accredited domain registrar (see Resources).

Step 2

Point the A Record of your domain to "66.6.44.4" or set the CNAME record to "domains.tumblr.com" without quotation marks. The exact steps for making this change vary, depending on your registrar.

Step 3

Log in to Tumblr and click on the gear icon near the top of your dashboard. Click on the name of the blog that you want to change.

Step 4

Select the check box labeled "Use a custom domain name." Enter your domain name, such as "example.com" without quotation marks.

Step 5

Click "Test your domain." Tumblr attempts to connect to the domain name. If the test fails, follow the on-screen instructions to fix the domain settings.

Step 6

Press "Save." Wait for the change to take effect. This may be as long as 72 hours.