There are 23 easily found names starting with "www" in the va zone, listed below. There are many more subdomains for email only[1]
Second-level domains are not available to the public.
Name and email servers within the .va namespace include john.vatican.va (DNS and email), michael.vatican.va (DNS), paul.vatican.va (email), lists.vatican.va (email), and vatiradio.va (email).
Strangely enough, some offsite secondary DNS servers used by the Vatican are named after Egyptian gods, like:
The Gallery of Maps is a gallery located on the west side of the Belvedere Courtyard in the Vatican containing a series of painted topographical maps of Italy based on drawings by friar and geographer Ignazio Danti.
Image 19A monument to Fr. Maximilian Kolbe, among the estimated 3,000 members (18%) of the Polish clergy who were killed by the Nazis; of these, 1,992 died in concentration camps. (from Vatican City during World War II)
... that some Catholics considered Tom Lehrer's "The Vatican Rag" (audio featured) to be blasphemous?
... that the Vatican selected Mary Milligan in 1987 to be one of only three U.S. experts to assist the International Synod of Bishops on the Laity in Rome?