/update?UserName=test&Password=kennwort&Domain=atlantis.nehmer.net&IPv4=79.202.5.79&IPv6=2003:ef:8fff:905:7eff:4dff:fe7e:e901&DualStack=1&IPv6Net=2003:ef:8f08:f600::/64

Zerlegt:
/update?
  UserName=test
  &Password=kennwort
  &Domain=atlantis.nehmer.net
  &IPv4=79.202.5.79
  &IPv6=2003:ef:8fff:905:7eff:4dff:fe7e:e901
  &DualStack=1
  &IPv6Net=2003:ef:8f08:f600::/64


ispconfig.vhost
  ProxyPass /hello http://127.0.0.1:8080/hello
  ProxyPass /update http://127.0.0.1:8080/update