1. 程式人生 > >Hey Googlers, what is the significance of 7bbb41211116?

Hey Googlers, what is the significance of 7bbb41211116?

You can create whatever arbitrary naming convention you want for internal networks, and use either hosts files or your own private DNS server to resolve those names. But if your scheme overlaps with something that's published publicly, it's probably going to cause problems at some point.

There's a little bit of info in some RFC's about special / reserved names, which are dedicated to certain special uses. See, for example:

In years past, a lot of people would just pick a tld that didn't exist and then use that for internal domain names. That was probably safe back when new TLD's came into existence very infrequently. In this day and age, TLD squatting is a risky proposition, as seen here: