name: Exists
records:
  a: ip4.test.org 192.168.1.5, 192.168.1.6, 192.168.1.7
  aaaa: ip6.test.org a:b::c:a, a:b::c:b, a:b::c:c
  a: mixed.test.org 10.0.0.1, 10.0.0.2, 10.0.0.3
  aaaa: mixed.test.org FF01::100, FF01::101, FF01::102
  spf: ip4.test.org v=spf1 exists:ip4.test.org -all
  spf: ip6.test.org v=spf1 exists:ip6.test.org -all
  spf: mixed.test.org v=spf1 exists:mixed.test.org -all
  spf: null.test.org v=spf1 exists:null.test.org -all
tests:
  - domain: ip4.test.org
    sender: sender@ip4.test.org
    ip: 167.1.2.3
    expect: pass
  - domain: ip6.test.org
    sender: sender@ip6.test.org
    ip: 167.1.2.3
    expect: pass
  - domain: mixed.test.org
    sender: sender@mixed.test.org
    ip: 167.1.2.3
    expect: pass
  - domain: null.test.org
    sender: sender@null.test.org
    ip: 167.1.2.3
    expect: fail