--- version: rssac002v3 service: j.root-servers.net start-period: '2018-01-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4247856162 dns-udp-queries-received-ipv6: 395874623 dns-tcp-queries-received-ipv4: 143251847 dns-tcp-queries-received-ipv6: 14054949 dns-udp-responses-sent-ipv4: 4165743075 dns-udp-responses-sent-ipv6: 394101887 dns-tcp-responses-sent-ipv4: 122351876 dns-tcp-responses-sent-ipv6: 14069763