There were 4 checks if porttb.com was available in the 1 254 day interval starting June 20, 2021. Porttb.com has been operational for a total of 4 times based on total tests, the latest uptime on August 8, 2021, returned a code 200. Checks showed porttb.com experienced no service interruptions as of November 25, 2024. As of November 25, 2024, each response received was confirmed to be free of error status codes. Against an average of 1.169 seconds, the response from porttb.com was 1.034 seconds on August 8, 2021.