--- version: rssac002v4 service: j.root-servers.net start-period: '2022-01-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5513172184 dns-udp-queries-received-ipv6: 1376382984 dns-tcp-queries-received-ipv4: 288983676 dns-tcp-queries-received-ipv6: 64575494 dns-udp-responses-sent-ipv4: 5134448034 dns-udp-responses-sent-ipv6: 1342522709 dns-tcp-responses-sent-ipv4: 224696427 dns-tcp-responses-sent-ipv6: 63004494