--- version: rssac002v3 service: j.root-servers.net start-period: '2018-04-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4497756212 dns-udp-queries-received-ipv6: 417833404 dns-tcp-queries-received-ipv4: 200075418 dns-tcp-queries-received-ipv6: 15837550 dns-udp-responses-sent-ipv4: 4393876887 dns-udp-responses-sent-ipv6: 414773563 dns-tcp-responses-sent-ipv4: 165585639 dns-tcp-responses-sent-ipv6: 15851828