--- version: rssac002v4 service: j.root-servers.net start-period: '2022-02-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6279068452 dns-udp-queries-received-ipv6: 1545599770 dns-tcp-queries-received-ipv4: 413875431 dns-tcp-queries-received-ipv6: 68089161 dns-udp-responses-sent-ipv4: 5807365529 dns-udp-responses-sent-ipv6: 1509136624 dns-tcp-responses-sent-ipv4: 290195813 dns-tcp-responses-sent-ipv6: 65976394