Man pages matching name rpc.ypxfrd in section 8:

rpc.ypxfrd.8.ja	debian 10 / manpages-ja
rpc.ypxfrd.8.en	debian 10 / nis
rpc.ypxfrd.8.ja	debian 11 / manpages-ja
rpc.ypxfrd.8.en	debian 11 / ypserv
rpc.ypxfrd.8.ja	debian 12 / manpages-ja
rpc.ypxfrd.8.en	debian 12 / ypserv