Checks of npb.jp's availability have been completed 5 times since February 13, 2019, a span of 2 105 days. Responding with a code 200, npb.jp was operational 5 times, most recently on November 17, 2024, out of every check attempted. As of November 18, 2024, inspections revealed that there had been no periods of unavailability on npb.jp. No error status codes were returned in any of the obtained responses as of November 18, 2024. At 2.280 seconds, npb.jp's November 17, 2024, response contrasted with its average of 2.174 seconds.