Firebase Hosting Sub Domains 2018-02-13 2022-02-13Jacques Leemans F, Firebase1 min. readFirebase: Sub-domainsReferenceshttps://medium.com/@pradeep1991singh/custom-domain-and-sub-domain-integration-with-firebase-2e8bea536930https://webmasters.stackexchange.com/questions/99841/firebase-custom-domain-add-admin-subdomain