No, not every single one of those is a bug. "This cookie lasts a day", "This DNS entry lasts a day", and so forth. These aren't issues that require down-to-the-

No, not every single one of those is a bug. "This cookie lasts a day", "This DNS entry lasts a day", and so forth. These aren't issues that require down-to-the-second accuracy. DNS expires a second early? Oh well, go poll upstream. It would be unusual to see an application that relies on something like a DNS entry being exactly 1 day's worth of seconds. The first page of results in that link are mostly cache timeouts rather than functional definitions.