If you set your NIP-05 to be your X username at x dot com and then just wait for it to actually work someday, you can be the earliest adopter of "tostr"

I don't know how long it will take but it will work someday

https://wikifreedia.xyz/tostr/npub1wamvxt2tr50ghu4fdw47ksadnt0p277nv0vfhplmv0n0z3243zyq26u3l2