American Pie traceroute
A predictable traceroute path uses PTR records on its routers to spell lines from “American Pie”, turning reverse DNS into a lyric display.
makerforce.io used traceroute host names to carry a version of American Pie. Each hop becomes a line in the route rather than a network device name.
It is a good reminder that reverse DNS is presentation data. Traceroute discovers the responding hops, and reverse DNS supplies their displayed names.
Primary source: https://www.youtube.com/watch?v=_y36fG2Oba0