nostr:npub16jknkmh2luflurx2epkj99qyj7v2ut3ew7t2mfd7xxt9jtjku2nsj2gqp0 has better info about this than I and nostr:npub1vkgj57k30l2u7wave6t4nua75wjylx3nju6qu4vu7pneghwx8zlsf7q4uq knows a heck of a lot about relays and other tech stuff.