--- version: rssac002v3 service: j.root-servers.net start-period: '2019-09-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 9572594480 dns-udp-queries-received-ipv6: 1693075564 dns-tcp-queries-received-ipv4: 921733662 dns-tcp-queries-received-ipv6: 246404366 dns-udp-responses-sent-ipv4: 8467430821 dns-udp-responses-sent-ipv6: 1474669380 dns-tcp-responses-sent-ipv4: 608454583 dns-tcp-responses-sent-ipv6: 141157172