{
    "ip": "96.126.126.250",
    "ip6": "2600:3c00::f03c:91ff:fedf:5446",
    "email": "dns@libravatar.org",
    "map":
    {
        "www": { "alias": "" },
        "cdn": { "ip": ["173.203.195.163", "87.98.215.223", "88.198.64.227"],
                 "ip6": "2600:3c00::f03c:91ff:fedf:5446" },
        "seccdn": { "ip": ["173.203.195.163", "87.98.215.223", "88.198.64.227"] }
    }
}

{
    "ip": "96.126.126.250",
    "ip6": "2600:3c00::f03c:91ff:fedf:5446",
    "email": "dns@libravatar.org",
    "map":
    {
        "www": { "alias": "" },
        "cdn": { "ip": ["173.203.195.163", "87.98.215.223", "88.198.64.227", "83.169.7.198"],
                 "ip6": ["2600:3c00::f03c:91ff:fedf:5446", "2a01:488:66:1000:53a9:7c6:0:1"] },
        "seccdn": { "ip": ["173.203.195.163", "87.98.215.223", "88.198.64.227"],
                    "ip6": "2a01:488:66:1000:53a9:7c6:0:1" }
    }
}

Add cdn4 to the list
Add cdn4 to the list

Given that it currently requires SNI, we'll keep it out of the
seccdn CNAME group.

https://www.ssllabs.com/ssltest/analyze.html?d=seccdn.libravatar.org&s=83.169.7.198&hideResults=on
