Serial numbers in zone files help your DNS service determine whether it should re-ingest your zone files or ignore them. But there’s more to these pseudo timestamps than meets the eye. In fact, the ...

Pull any bill out of your wallet. See the dark green numbers on the top-left and top-right corners? Those are serial numbers, and some are more rare than others. If you happen to have paper money with ...

Three ways to remotely determine your Cisco router’s serial number Your email has been sent Inventorying your routers' serial numbers is an important activity that every network administrator needs to ...

For decades, federal law has forbidden gun owners from scratching out the serial numbers that manufacturers are legally required to place on firearms. The reason is obvious: These serial numbers help ...

With the release of refreshed MacBook Pro models earlier this week, Apple has apparently tweaked the format it uses for serial numbers on its devices, moving from an 11-character serial number to a 12 ...

If you need to calculate dates in your spreadsheets, Excel uses its own unique system, which it calls Serial Numbers. Every date (month, day, year) and time (hour, minute, and second) has an ...