Install sshfp by entering the following commands in the terminal:
sudo apt update sudo apt install sshfp
Description:
DNS SSHFP records generator
sshfp generates RFC4255 SSHFP DNS records based on the public keys stored in a known_hosts file, or public keys can be obtained by using ssh-keyscan. Serve these entries from the DNS server for your domain to provide authentication via the ssh VerifyHostKeyDNS option. . This package also includes the dane command to generate IETF DANE WG DNS records.
Homepage: https://github.com/xelerance/sshfp/
Version: 1.2.2-5
Section: universe/net