the daily

one puzzle per utc day. one attempt per identity. streaks count consecutive correct days.

mode · regex · date · 2026-05-05

green · must match
  • 192.168.1.1
  • 10.0.0.255
  • 172.16.5.4
  • 127.0.0.1
  • 8.8.8.8
  • 255.255.255.255
red · must not
  • 192.168.1
  • 256.1.1.1
  • 999.999.999.999
  • a.b.c.d

6 green miss · 0 red hit

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