--- version: rssac002v3 service: j.root-servers.net start-period: '2019-07-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7609240169 dns-udp-queries-received-ipv6: 1350510747 dns-tcp-queries-received-ipv4: 488753768 dns-tcp-queries-received-ipv6: 109781792 dns-udp-responses-sent-ipv4: 7230388903 dns-udp-responses-sent-ipv6: 1280257650 dns-tcp-responses-sent-ipv4: 367970618 dns-tcp-responses-sent-ipv6: 75913614