Kolbus.de was inspected for operability 6 times in the 1 307 days following June 14, 2021. Returning a 200 code on the last instance of January 11, 2025, kolbus.de was accessible 6 times among all the tests done. No interruptions in service were observed for kolbus.de within the checks conducted as of January 12, 2025. It was confirmed that, as of January 12, 2025, none of the replies that were received contained any errors. Records show kolbus.de's 0.388 seconds response on January 11, 2025, against an 0.406 seconds average.