--- version: rssac002v3 service: j.root-servers.net start-period: '2018-05-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4469674440 dns-udp-queries-received-ipv6: 421869103 dns-tcp-queries-received-ipv4: 237716098 dns-tcp-queries-received-ipv6: 17688235 dns-udp-responses-sent-ipv4: 4319609774 dns-udp-responses-sent-ipv6: 419969189 dns-tcp-responses-sent-ipv4: 184327865 dns-tcp-responses-sent-ipv6: 17727277