31 checks have been made on the availability of sinref.ru within the last 2 038 days, beginning on April 21, 2019. Sinref.ru, with 29 instances of operability out of all conducted checks, reported its last uptime on July 2, 2024, confirmed by a code 200 response. According to tests, as of November 18, 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 0.359 seconds, sinref.ru's recorded time on July 2, 2024, differed from its 0.443 seconds average response.