How to test a CNAME configuration

step by step to test a CNAME

  1. Access the following online test tool: https://mxtoolbox.com/SuperTool.aspx.

  2. Fill in the URL and choose CNAME Lookup (see figure 1).

  3. Then click 'CNAME Lookup'

  4. You could easily see in the results if it's right or not. Figure 2 shows the right result and figure 3 a wrong one.

Figure 1

Figure 2

Figure 3