In addition to the IANA reserved list, don't forget ICANN controversially reserved .corp, .home and .mail. https://www.theregister.com/2018/02/12/icann_corp_ho

In addition to the IANA reserved list, don't forget ICANN controversially reserved .corp, .home and .mail. https://www.theregister.com/2018/02/12/icann_corp_home_mail_gtlds/ https://www.theregister.com/2018/02/12/icann_corp_home_mail_... https://www.icann.org/en/system/files/files/sac-062-en.pdf https://www.icann.org/en/system/files/files/sac-062-en.pdf