#nameservers
  should: %s CLASS(array)
  should: %s SIZE(2)
  should: %s[0] CLASS(nameserver)
  should: %s[0].name == "ns1.boursedirect.fr"
  should: %s[0].ipv4 == "212.157.203.190"
  should: %s[0].ipv6 == nil
  should: %s[1] CLASS(nameserver)
  should: %s[1].name == "ns2.boursedirect.fr"
  should: %s[1].ipv4 == "212.157.203.189"
  should: %s[1].ipv6 == nil