Hi,
The NSD 4.1.13 release is available:
http://www.nlnetlabs.nl/downloads/nsd/nsd-4.1.13.tar.gz
sha1 d3f328b3236d56beaaf3ed6269aa8c6e184f8723
sha256 c45cd4ba2101a027e133b2be44db9378e27602e05f09a5ef25019e1ae45291af
pgp http://www.nlnetlabs.nl/downloads/nsd/nsd-4.1.13.tar.gz.asc
Some features, such as multi master check option that does not upgrade
from the first master that answers, but picks the best one.
Additional section handling for type SRV. And bug fixes.
4.1.13