--- version: rssac002v3 service: j.root-servers.net start-period: '2018-09-02T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5332116946 dns-udp-queries-received-ipv6: 604183420 dns-tcp-queries-received-ipv4: 265352809 dns-tcp-queries-received-ipv6: 23334404 dns-udp-responses-sent-ipv4: 5122270894 dns-udp-responses-sent-ipv6: 602259524 dns-tcp-responses-sent-ipv4: 196732328 dns-tcp-responses-sent-ipv6: 23268183