The NCSC also has a similar service to the Canadian approach you mention, Protected DNS - https://www.ncsc.gov.uk/information/pdns https://www.ncsc.gov.uk/infor

The NCSC also has a similar service to the Canadian approach you mention, Protected DNS - https://www.ncsc.gov.uk/information/pdns https://www.ncsc.gov.uk/information/pdns I believe CISA in the US has something similar too.