Nouns ending in -it or -ut are masculine.
The whole family: -it, -ut. All masculine.
Is salut masculine or feminine?
lesalut
The rule behind it
100% of -it / -ut nouns are masculine
In context
Salut Source tiret bas VOA point d'exclamation
Hi, Source_VOA!
Salut tout le monde ! Je m'appelle Mary.
Hello everyone! My name is Mary.
Bon, il est temps que je file. Salut !
Well, it's time for me to run off. Bye!