Man pages matching name telnetd in section 8:

telnetd.8.en	debian 10 / inetutils-telnetd
telnetd.8.it	debian 10 / manpages-it
telnetd.8.ja	debian 10 / manpages-ja
telnetd.8.en	debian 11 / inetutils-telnetd
telnetd.8.it	debian 11 / manpages-it
telnetd.8.ja	debian 11 / manpages-ja
telnetd.8.en	debian 12 / inetutils-telnetd
telnetd.8.it	debian 12 / manpages-it
telnetd.8.ja	debian 12 / manpages-ja