Here you find my ssh public key I use for all types of server.
ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDoG3JX9oGb2uMaMLLUUxcE5xmuLy07zc4i/lUXZpzVBnAFQSRKCrYOMLaamRAj8BWUxsHa6oVPqsau9HDc3rtU2mcyhx0oA7l327O/z3I/Z+FpEfdIL99rULH4ZrD0412qQra7pngL2xZY0JlpEjLoxYqe+GmrfNMxuJmDGXthghXazqCh+bjVkvzXfPfn8qqnQz8RPLdICHfUe/vKkJ2hrmGGaSjZfuCKVGUOxpID1TWzo+dNxifXMTQCsNU2KqvF7d/MJpaSx8fZmC9haUIfQDjXOVju6Pmi9MKCXEyI9BtZkaKYoRjjgA/LAl54QS6wzVJw1SmFvBaycnAk3aHh alindner@home.alindner.org
gpg --keyserver keyserver.ubuntu.com --recv 28B0ADF8358F6273393E754FC76DE14A470F0DBE
pub rsa2048 2018-01-08 [SC]
28B0ADF8358F6273393E754FC76DE14A470F0DBE
uid [ unknown] Alexander Lindner <mail@alindner.org>
uid [ unknown] Alexander Lindner <14565206-ard.lindner@users.noreply.gitlab.com>
uid [ unknown] Alexander Lindner <alexander.lindner@ard.de>
uid [ unknown] Alexander Lindner (Github Pushes) <25225552+alexander-lindner@users.noreply.github.com>
sub rsa2048 2018-01-08 [E]