--- version: rssac002v3 service: d.root-servers.net start-period: '2017-12-28T00:00:00Z' end-period: '2017-12-28T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4515228278 dns-udp-queries-received-ipv6: 557598865 dns-tcp-queries-received-ipv4: 94262549 dns-tcp-queries-received-ipv6: 12162493 dns-udp-responses-sent-ipv4: 4513907621 dns-udp-responses-sent-ipv6: 557425846 dns-tcp-responses-sent-ipv4: 93596451 dns-tcp-responses-sent-ipv6: 12160252