Since January 24, 2019, the operability of know-vpd.jp has been checked 4 times over the past 2 133 days. Tests confirm know-vpd.jp was online 4 times out of total attempts, recently shown by the November 20, 2024, 200 status code response. Inspections conducted as of November 27, 2024, revealed no instances of know-vpd.jp's unavailability. All responses have been noted as error-free as of November 27, 2024, based on the replies that have been received. Records indicate know-vpd.jp had an average response time of 4.682 seconds, while on November 20, 2024, it responded in 3.627 seconds.