Hi,
NSD 4.3.3rc1 pre-release is available:
https://nlnetlabs.nl/downloads/nsd/nsd-4.3.3rc1.tar.gz
sha256: 7fedd9bd248e09689ae52e6166985edd6b4bd3dfc482c4043bc532fcf0dc1c68
pgp https://nlnetlabs.nl/downloads/nsd/nsd-4.3.3rc1.tar.gz.asc
This release contains the DNS Flag Day 2020 fixes. This sets the
default EDNS buffer size to 1232, that should reduce fragmentation.
https://dnsflagday.net/2020/
There is a new feature where it is possible to list an interface by
name. This pulls in the IP addresses associated with the interface
at server start.
4.3.3