Have you started and enabled the nfs-server.service?
Example starting the service and the resulting status query
[nix@server1 ~]$ sudo systemctl start nfs-server.service
[nix@server1 ~]$ systemctl status nfs-server
● nfs-server.service - NFS server and services
Loaded: loaded (/usr/lib/systemd/system/nfs-server.service; disabled; preset: disabled)
Active: active (exited) since Thu 2026-08-27 09:16:53 CEST; 2min 48s ago
Invocation: bb1d63c2cf974898a41e3191bf049cdc
Docs: man:rpc.nfsd(8)
man:exportfs(8)
Process: 1907640 ExecStartPre=/usr/sbin/exportfs -r (code=exited, status=0/SUCCESS)
Process: 1907643 ExecStart=/bin/sh -c /usr/sbin/nfsdctl autostart || /usr/sbin/rpc.nfsd (code=exited, status=0/SUCCESS)
Main PID: 1907643 (code=exited, status=0/SUCCESS)
Mem peak: 2.2M
CPU: 16ms
Aug 27 09:16:52 server1 systemd[1]: Starting NFS server and services...
Aug 27 09:16:53 server1 systemd[1]: Finished NFS server and services.