There may be times when a third-party, that offers support on Canon products, looks authentic enough. It’s always a good idea to be vigilant and pay careful attention. Such websites are not associated with Canon, and Canon does not endorse their services.
Official Canon sites offering support are easy to recognise. All Canon support sites across Europe have a similar domain name: https://www.canon.xx/support/ and the final characters change per country. For example: https://www.canon.fr/support/ or https://www.canon.co.uk/support/.