To use blogger on a custom domain, you need to modify the CNAME records of the domain with the ones provided by blogger. But many domain sellers don’t allow you to modify the CNAME records. This is especially the case with domain resellers. They provide you with an account that only lets you modify the nameservers but don’t offer option to modify the CNAME records. If you have come across such a situation here’s how you can use custom domain on blogger blog even if your domain provider doesn’t allow modifying CNAME records.