dns.nextdns.io time out error

I have NextDNS setup through my browser using DNS-over-HTTPS. I can't resolve any domains with this configuration starting from a few minutes ago from this post. The browser returns ERR_TIMED_OUT or ERR_NAME_NOT_RESOLVED

The output of ping.nextdns.io (in another browser not configured with NextDNS) is:

  premiumrdp-ruh   101 ms  (ultralow2)
  anexia-fra       116 ms  (anycast2)
  gc-bom           126 ms
  premiumrdp-ist   142 ms
  edgeuno-ist      143 ms
  serverwala-buh   148 ms
  zepto-jnb        152 ms  (anycast1)
  citynet-cai      159 ms
  ls-bom           169 ms
  edis-dxb         216 ms
  navico-ruh        error
  anexia-dxb        error
  dns1.nextdns.io   error  (ultralow1)