--- version: rssac002v3 service: j.root-servers.net start-period: '2019-05-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7910286686 dns-udp-queries-received-ipv6: 1418555526 dns-tcp-queries-received-ipv4: 707306783 dns-tcp-queries-received-ipv6: 95822399 dns-udp-responses-sent-ipv4: 7164263272 dns-udp-responses-sent-ipv6: 1368700013 dns-tcp-responses-sent-ipv4: 497687626 dns-tcp-responses-sent-ipv6: 72534301