Boring addition: 139 mail ("important user" listed on WoSign's [comparison] before the page's [removal]), azure.cn (who used CNNIC before switching to WoSign), and cnnic.cn (yes, CNNIC root CA) all switched to DigiCert for their sites. Great alternative it seems like.

[comparison]: http://wayback.archive.org/web/20160828045112/https://www.wo...

[removal]: https://groups.google.com/d/msg/mozilla.dev.security.policy/...