--- version: rssac002v4 service: j.root-servers.net start-period: '2023-01-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7097241488 dns-udp-queries-received-ipv6: 1858674924 dns-tcp-queries-received-ipv4: 305241078 dns-tcp-queries-received-ipv6: 115731380 dns-udp-responses-sent-ipv4: 6807021196 dns-udp-responses-sent-ipv6: 1832586718 dns-tcp-responses-sent-ipv4: 228415050 dns-tcp-responses-sent-ipv6: 105394188