Records show hdn.gr.jp's operability was checked 3 times from September 11, 2021, through the subsequent 1 179 days. Hdn.gr.jp's most recent uptime on September 13, 2021, responded with a code 200, indicating operational status in 3 instances across all tests. No downtime occurrences were observed for hdn.gr.jp during inspections conducted as of December 4, 2024. As of December 4, 2024, no responses were found to have error status based on the replies received. Hdn.gr.jp responded in 1.018 seconds on September 13, 2021, its average response time being 1.063 seconds.