There have been 22 checks done on zerno.ru's accessibility in the 379 day period from November 19, 2023, up until today. Zerno.ru was available 22 times throughout all tests conducted, and its most recent uptime on November 18, 2024, returned a code 200. Checks indicated no cases of zerno.ru being out of service as of December 2, 2024. All responses have been noted as error-free as of December 2, 2024, based on the replies that have been received. The response received from zerno.ru was 0.876 seconds on November 18, 2024, against an 0.778 seconds average.