Because I was curious, frequency counts:

    256 - own domain, original tld
        208 - .com
        29 - .net
        19 - .org
    95 - own domain, cctld
        38 - other, <5 each
        20 - .io
        19 - .me
        9 - .ca
        9 - .in
    85 - own domain, new tld
        41 - other, <5 each
        31 - .dev
        7 - .blog
        6 - .xyz
    73 - platform’s domain
        36 - .substack.com
        20 - .github.io
        9 - .medium.com
        8 - other