--- version: rssac002v4 service: j.root-servers.net start-period: '2023-04-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6527227979 dns-udp-queries-received-ipv6: 1816086782 dns-tcp-queries-received-ipv4: 346173019 dns-tcp-queries-received-ipv6: 86800726 dns-udp-responses-sent-ipv4: 6172760465 dns-udp-responses-sent-ipv6: 1799701987 dns-tcp-responses-sent-ipv4: 255358605 dns-tcp-responses-sent-ipv6: 81462768