3 availability checks were conducted for m0.mail.sina.com.cn within a 454 day period starting on November 4, 2023. Out of all tests conducted, m0.mail.sina.com.cn was up 3 times, the last time on January 29, 2025, when a code 200 has been returned. M0.mail.sina.com.cn did not face any periods of unavailability based on all inspections made as of February 1, 2025. Records indicate that as of February 1, 2025, no error status codes had been found in any of the received responses. On January 29, 2025, m0.mail.sina.com.cn replied in 2.215 seconds, against its 2.735 seconds average response time.