Happened to me too.

They didn't reinstate it - said I'd violated their usage policy, didn't say how.

So I've been using nostr:nprofile1qqsdy27dk8f9qk7qvrm94pkdtus9xtk970jpcp4w48k6cw0khfm06mspp4mhxue69uhkummn9ekx7mqpz4mhxue69uhkummnw3ezummcw3ezuer9wchsj08ren instead - more expensive, but they haven't kicked me out.