35 checks have been made on the availability of sinref.ru within the last 2 054 days, beginning on April 21, 2019. Sinref.ru, with 33 instances of operability out of all conducted checks, reported its last uptime on November 30, 2024, confirmed by a code 200 response. According to tests, as of December 4, 2024, there were no incidents of inoperability for sinref.ru. Code 503, the latest error recorded on April 8, 2023, was observed within the 2 responses that had errors. Responding in 0.371 seconds, sinref.ru's recorded time on November 30, 2024, differed from its 0.438 seconds average response.