--- version: rssac002v3 service: d.root-servers.net start-period: '2019-01-12T00:00:00Z' end-period: '2019-01-12T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6001293876 dns-udp-queries-received-ipv6: 1534308305 dns-tcp-queries-received-ipv4: 186731939 dns-tcp-queries-received-ipv6: 103767946 dns-udp-responses-sent-ipv4: 6001279947 dns-udp-responses-sent-ipv6: 1534161034 dns-tcp-responses-sent-ipv4: 185649035 dns-tcp-responses-sent-ipv6: 103677463