[Pharaoh2]

Its the domain name they use for their servers. Its generally a good practice to have a dns name that maps to a particular server apart form the website its supposed to be serving for administrative purposes.

Try this:

> dig google.com

;; ANSWER SECTION:

google.com. 299 IN A 172.217.164.110

> nslookup 172.217.164.110

Non-authoritative answer:

110.164.217.172.in-addr.arpa name = sfo03s18-in-f14.1e100.net.