--- version: rssac002v3 service: j.root-servers.net start-period: '2019-09-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 9849760949 dns-udp-queries-received-ipv6: 1737299967 dns-tcp-queries-received-ipv4: 993346986 dns-tcp-queries-received-ipv6: 256766486 dns-udp-responses-sent-ipv4: 8814764359 dns-udp-responses-sent-ipv6: 1514615615 dns-tcp-responses-sent-ipv4: 621475019 dns-tcp-responses-sent-ipv6: 147677755