--- version: rssac002v4 service: j.root-servers.net start-period: '2022-04-02T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5844766779 dns-udp-queries-received-ipv6: 1521063904 dns-tcp-queries-received-ipv4: 406957126 dns-tcp-queries-received-ipv6: 97619465 dns-udp-responses-sent-ipv4: 5458244736 dns-udp-responses-sent-ipv6: 1498151025 dns-tcp-responses-sent-ipv4: 278538763 dns-tcp-responses-sent-ipv6: 97411737