Provide references for CVE-2021-30110.
Where can I find more information about CVE-2021-30110?
References are available at: https://www.greyware.com/software/domaintime/, https://blog.grimm-co.com/2021/04/time-for-upgrade.html, https://www.greyware.com/software/domaintime/v5/installation/v5x.asp#currentVersion.