Email Formats

{
  "mx": [
    "10 emgc.irs.gov.",
    "10 emge.irs.gov.",
    "20 emgw.irs.gov."
  ],
  "spf": [
    "v=spf1 ip4:152.216.0.0/20 ip6:2610:30::/32 -all"
  ]
}