.va is the Internet country code top-level domain (ccTLD) for the State of the Vatican City. It is administered by the Internet Office of the Holy See.
There are 23 easily found names starting with "www" in the va zone, listed below. There are many more subdomains for email only
"www" names with websites
Vatican Main Website is pointed to by these names:
www.va
www.vatican.va
www.pcf.va
www.news.va
Vatican State Government
www.vaticanstate.va
Landing page for the Vatican newspaper L'Osservatore Romano
www.osservatoreromano.va
Login page for staff
www.cdp.osservatoreromano.va
www.cdp.ossrom.va
Vatican Museums
www.museivaticani.va
www.cappellasistina.va
www.chapellesixtine.va
www.capillasixtina.va
www.sistinechapel.va
www.sixtinischekapelle.va
Apostolic Penitentiary
www.paenitentiaria.va
www.penitenzieria.va
Pontifical Mission Societies
www.ppoomm.va
Parish Church of Sant'Anna dei Palafrenieri in the Vatican
www.santanna.va
Istituto per le Opere di Religione
www.ior.va
No Response from these sites
www.mlists.va (but see mlists.vatican.va below)
www.pasquini.va
Photo Ordering Site
www.photo.va
"Portale Catholica Di Test Accesso ai servizi intranet" - Java driven portal of sorts
www.catholica.va
Radio Vatican
www.radiovaticana.va
Non-"www" names with websites:
Main Vatican Website
benedettoxvi.va
benedictumxvi.va
search.vatican.va
seraphin.vatican.va
Vatican Archives
asv.vatican.va
Mailing Lists (Mailman)
mlists.vatican.va
Vatican Museums
mv.vatican.va
sistinechapel.va
Vatican Library
bav.vatican.va
"Compendium" (Username/Password required)
isidoro.vatican.va
Vatican Webmail (note: SSL issued by same CA as for www.photo.va with CN of "Luigi Salimbeni") (Username/Password required)
webmail.mailservice.va
Radio Vatican language services (various two-letter language codes)
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).