+ mode "640"
+ org "OpenStreetMap"
+ email "operations@osmfoundation.org"
+ common_name domains.first
+ subject_alt_name alt_names
+ extensions "keyUsage" => { "values" => %w[digitalSignature keyEncipherment], "critical" => true },
+ "extendedKeyUsage" => { "values" => %w[serverAuth clientAuth], "critical" => true }