How To Configure Your Custom Domain Email, Step 2: Running an NSLookup

Wait a few minutes after making the change at GoDaddy.
Then go to Kloth.Net.
In the “Domain” box, enter the odd-looking string google gave you followed by your domain name (e.g., googleffffffffexample3.customdomain.com).
Leave the Server to whatever it defaults to (e.g., “localhost”).
Select “A (IP address)” for the Query.
Click “Look It Up.”

What should happen is that a message will appear showing three IP addresses for google.com (along with some other text). If that happens, you’re good to go.
If, however, you get a message saying that the server does not exist, you’re not done yet. You may just need to wait a few more minutes (it took about 20 minutes before my NSLookup came back with the right info). If you wait a while and the NSLookup is still saying no such server exists, then go back to your GoDaddy account, and double-check the CNAME entry (make extra positive that you entered the odd-looking string correctly).
Once you get the message from the NSLookup showing the google.com IP addresses, then go back to your Google Apps page and click "Verify."
The items on your Google Apps dashboard will show messages indicating that Google is verifying your information (which can take up to 48 hours). Once Google verifies your info and gets things set up on their end, the Dashboard icons will say "Active" next to them and will have green links under them.
Your GoogleApps email requires that you activate it. Just click on the "Activate" link on the dashboard, and follow the steps (there aren’t many). Once you’ve done that, you’ll see a message on the dashboard under the email icon saying that Google is getting things set up for your email account and that it could take up to 48 hours. (Mine only took about an hour, though.)

Proceed to Configuring MX Records, Method 1 (Automatic) -or-
Proceed to Configuring MX Records, Method 2 (Manually)

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