--- version: rssac002v3 service: j.root-servers.net start-period: '2019-02-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6997706957 dns-udp-queries-received-ipv6: 1153482243 dns-tcp-queries-received-ipv4: 466590837 dns-tcp-queries-received-ipv6: 157019073 dns-udp-responses-sent-ipv4: 6643718973 dns-udp-responses-sent-ipv6: 1036641305 dns-tcp-responses-sent-ipv4: 363799183 dns-tcp-responses-sent-ipv6: 96978115