Your point is well understood, and what Char Jackson pointed out is
correct. But it's still hard for me to imagine that my domain
this.is.invalid.com could ever be a valid domain.
D:\>ping invalid.com
Pinging invalid.com [64.187.101.62] with 32 bytes of data:
Reply from 64.187.101.62: bytes=32 time=63ms TTL=51
Reply from 64.187.101.62: bytes=32 time=63ms TTL=51
Reply from 64.187.101.62: bytes=32 time=63ms TTL=51
Reply from 64.187.101.62: bytes=32 time=63ms TTL=51
Ping statistics for 64.187.101.62:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 63ms, Maximum = 63ms, Average = 63ms
Hmmm, since invalid.com apparently exists, (I didn't check whois
records or anything, just this quick ping), it suddenly starts to seem
a little more feasible that this.is.invalid.com could come into being.