Registered on October 30, 2019, 82237.CN is paid up until October 30, 2022. That is around 7 years of continuous registration. ????????????? is the registrar of record, and the domain is currently past its expiry date. Its nameservers are dns29.hichina.com and dns30.hichina.com.
Comparing March 31, 2020 with July 29, 2022 shows 7 fields changed. Only the spelling of the registrar name changed ("ç??å°å¸æ?æ?®ç½?ç»?ç§?æ??æ??é?å?¬å¸" to "?????????????"); it is the same registrar. DNS moved from 17ex1.dns.com and 17ex2.dns.com to dns29.hichina.com and dns30.hichina.com. It was renewed: the expiry date went from October 30, 2021 to October 30, 2022. The complete history is available below and can be exported for your own analysis.
For 82237.CN, Whois Data Center keeps 4 historical WHOIS snapshots. The newest snapshot was taken on July 29, 2022. Security teams use WHOIS history to spot suspicious ownership changes and to link related domains.
WHOIS Record