24 Days of Nobody Noticing: A DNS Record Pinned to a DHCP Lease

My GPS-disciplined time server dropped off the network and I didn’t find out for 24 days. The cause wasn’t the hardware, and it wasn’t what I assumed twice along the way — it was a permanent DNS record aimed at an address the router was free to hand to somebody else.

September 4, 2026 · 9 min