TCP Fast Open

Hi,

I'm trying to run Stubby pointing to NextDNS as documented. It works (the name gets resolved), but I get this warning every time. Does NextDNS support TFO? Couldn't find it anywhere.

[03:57:11.838599] STUBBY: Stubby version: Stubby 0.4.3
[03:57:11.838891] STUBBY: DNSSEC Validation is OFF
[03:57:11.838915] STUBBY: Transport list is:
[03:57:11.838933] STUBBY:   - TLS
[03:57:11.838941] STUBBY: Privacy Usage Profile is Strict (Authentication required)
[03:57:11.838948] STUBBY: (NOTE a Strict Profile only applies when TLS is the ONLY transport!!)
[03:57:14.554490] STUBBY: 45.90.28.0                               : Upstream   : Could not setup TLS capable TFO connect