Man pages matching name nfsmount.conf in section 5:

nfsmount.conf.5.en	debian 10 / nfs-common
nfsmount.conf.5.de	debian 11 / manpages-de
nfsmount.conf.5.fr	debian 11 / manpages-fr
nfsmount.conf.5.en	debian 11 / nfs-common
nfsmount.conf.5.de	debian 12 / manpages-de
nfsmount.conf.5.en	debian 12 / nfs-common