Leaks DNS without DoH enabled. But with DoH enabled, DNS resolving is slower, and after a while it will fail to resolve DNS requiring a browser restart frequently. Its just broken at this moment.
Hello. It'd be the best if you could contact our team via live chat or email for them to take a closer look at the issue. We would be happy to help you out. Support team is online 24/7 at support@nordvpn.com. -Neo
