nostr:nprofile1qqs80n2hqvjppgqh2c5t2dtl5e2mr7kw4d90u468xwaaenke8r0frgspz3mhxue69uhhyetvv9ujuerpd46hxtnfduq3samnwvaz7tmjv4kxz7fwwdhx7un59eek7cmfv9kqzxthwden5te0wpuhyctdd9jzuenfv96x5ctx9e3k7mg6k4xa4 has a "random server" location option for the single and two hop VPN.
Unfortunately no random timer, but it does randomize when you turn it off and on.