--- version: rssac002v4 service: j.root-servers.net start-period: '2023-05-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6255545375 dns-udp-queries-received-ipv6: 1757980396 dns-tcp-queries-received-ipv4: 271998533 dns-tcp-queries-received-ipv6: 83726943 dns-udp-responses-sent-ipv4: 5988353856 dns-udp-responses-sent-ipv6: 1743204982 dns-tcp-responses-sent-ipv4: 204835130 dns-tcp-responses-sent-ipv6: 78476945