--- version: rssac002v3 service: j.root-servers.net start-period: '2018-09-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5954476574 dns-udp-queries-received-ipv6: 645977408 dns-tcp-queries-received-ipv4: 325305767 dns-tcp-queries-received-ipv6: 24152413 dns-udp-responses-sent-ipv4: 5600856947 dns-udp-responses-sent-ipv6: 636642762 dns-tcp-responses-sent-ipv4: 234981118 dns-tcp-responses-sent-ipv6: 24007673