Email Formats

{
  "mx": [
    "10 mailrelay.netcologne.de."
  ],
  "spf": [
    "v=spf1 ip4:78.35.27.242 ip4:109.71.73.251 ip6:2a05:cc00::73:251:10 include:_spf.rexx-suite.com -all"
  ]
}