--- version: rssac002v3 service: d.root-servers.net start-period: '2019-03-17T00:00:00Z' end-period: '2019-03-17T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7311373465 dns-udp-queries-received-ipv6: 1748322852 dns-tcp-queries-received-ipv4: 405870908 dns-tcp-queries-received-ipv6: 34622079 dns-udp-responses-sent-ipv4: 7311370067 dns-udp-responses-sent-ipv6: 1748215125 dns-tcp-responses-sent-ipv4: 404719353 dns-tcp-responses-sent-ipv6: 34576115