--- version: rssac002v3 service: d.root-servers.net start-period: '2017-02-21T00:00:00Z' end-period: '2017-02-21T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6894765715 dns-udp-queries-received-ipv6: 956052622 dns-tcp-queries-received-ipv4: 112784448 dns-tcp-queries-received-ipv6: 10787059 dns-udp-responses-sent-ipv4: 6882544049 dns-udp-responses-sent-ipv6: 955963725 dns-tcp-responses-sent-ipv4: 112174575 dns-tcp-responses-sent-ipv6: 10759569