--- version: rssac002v4 service: j.root-servers.net start-period: '2023-03-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6548478787 dns-udp-queries-received-ipv6: 1798132416 dns-tcp-queries-received-ipv4: 335932608 dns-tcp-queries-received-ipv6: 82911376 dns-udp-responses-sent-ipv4: 6230415841 dns-udp-responses-sent-ipv6: 1789947093 dns-tcp-responses-sent-ipv4: 268765352 dns-tcp-responses-sent-ipv6: 80307638