I was shocked that DNS was only almost 40 years old - I would have guessed it was at least older than me, but she's right. According to https://datatracker.ietf.org/doc/html/rfc882 it's almost 10 years younger...
The Internet is not much older; it is reasonable to say that the Internet started in 1982 when TCP/IP was first standardized, though some would say that the Internet started a few years later with the creation of NSFNet and its interconnection with other networks.
I was shocked that DNS was only almost 40 years old - I would have guessed it was at least older than me, but she's right. According to https://datatracker.ietf.org/doc/html/rfc882 it's almost 10 years younger...