--- version: rssac002v3 service: j.root-servers.net start-period: '2017-09-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5178719705 dns-udp-queries-received-ipv6: 360775125 dns-tcp-queries-received-ipv4: 192422693 dns-tcp-queries-received-ipv6: 13500759 dns-udp-responses-sent-ipv4: 5063697224 dns-udp-responses-sent-ipv6: 356914917 dns-tcp-responses-sent-ipv4: 151136190 dns-tcp-responses-sent-ipv6: 13492440