--- version: rssac002v3 service: j.root-servers.net start-period: '2019-01-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6846954663 dns-udp-queries-received-ipv6: 951007600 dns-tcp-queries-received-ipv4: 443015979 dns-tcp-queries-received-ipv6: 104436892 dns-udp-responses-sent-ipv4: 6468482800 dns-udp-responses-sent-ipv6: 882345589 dns-tcp-responses-sent-ipv4: 304455138 dns-tcp-responses-sent-ipv6: 66366556