--- version: rssac002v3 service: j.root-servers.net start-period: '2018-07-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5551667940 dns-udp-queries-received-ipv6: 674255695 dns-tcp-queries-received-ipv4: 316540634 dns-tcp-queries-received-ipv6: 20359557 dns-udp-responses-sent-ipv4: 5331033534 dns-udp-responses-sent-ipv6: 672293469 dns-tcp-responses-sent-ipv4: 236475935 dns-tcp-responses-sent-ipv6: 20230138