32 checks have been made on the availability of sinref.ru within the last 2 039 days, beginning on April 21, 2019. Sinref.ru, with 30 instances of operability out of all conducted checks, reported its last uptime on November 19, 2024, confirmed by a code 200 response. According to tests, as of November 20, 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 0.327 seconds, sinref.ru's recorded time on November 19, 2024, differed from its 0.439 seconds average response.