My site is accessible with www but not without www!

[lubdhak]

@Various ongoing issues: websites

One possible mitigation is to remove the domain name from your hosting account and then add it again. This should recreate the DNS records and make the website available everywhere. But note that, as with any DNS change, it can take up to 72 hours for the changes to be visible.

Should I try this? Or leave it as it is for support team?