--- version: rssac002v4 service: j.root-servers.net start-period: '2022-02-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5776831352 dns-udp-queries-received-ipv6: 1308018072 dns-tcp-queries-received-ipv4: 428752629 dns-tcp-queries-received-ipv6: 52507293 dns-udp-responses-sent-ipv4: 5338799757 dns-udp-responses-sent-ipv6: 1299436027 dns-tcp-responses-sent-ipv4: 280194478 dns-tcp-responses-sent-ipv6: 52245420