--- version: rssac002v3 service: j.root-servers.net start-period: '2020-01-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 9333701175 dns-udp-queries-received-ipv6: 1254769118 dns-tcp-queries-received-ipv4: 684682616 dns-tcp-queries-received-ipv6: 116687977 dns-udp-responses-sent-ipv4: 8631177075 dns-udp-responses-sent-ipv6: 1207534683 dns-tcp-responses-sent-ipv4: 515781475 dns-tcp-responses-sent-ipv6: 101758706