--- version: rssac002v3 service: j.root-servers.net start-period: '2019-09-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7710581131 dns-udp-queries-received-ipv6: 1646262656 dns-tcp-queries-received-ipv4: 716094299 dns-tcp-queries-received-ipv6: 224379880 dns-udp-responses-sent-ipv4: 7003150751 dns-udp-responses-sent-ipv6: 1452339242 dns-tcp-responses-sent-ipv4: 465417606 dns-tcp-responses-sent-ipv6: 129677548