--- version: rssac002v3 service: j.root-servers.net start-period: '2019-05-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7478318281 dns-udp-queries-received-ipv6: 1220623783 dns-tcp-queries-received-ipv4: 668047346 dns-tcp-queries-received-ipv6: 74883510 dns-udp-responses-sent-ipv4: 6821848876 dns-udp-responses-sent-ipv6: 1175779344 dns-tcp-responses-sent-ipv4: 467728375 dns-tcp-responses-sent-ipv6: 54829984