--- version: rssac002v3 service: d.root-servers.net start-period: '2018-01-27T00:00:00Z' end-period: '2018-01-27T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3497667747 dns-udp-queries-received-ipv6: 578565967 dns-tcp-queries-received-ipv4: 76014110 dns-tcp-queries-received-ipv6: 12727265 dns-udp-responses-sent-ipv4: 3496626626 dns-udp-responses-sent-ipv6: 578394209 dns-tcp-responses-sent-ipv4: 75995552 dns-tcp-responses-sent-ipv6: 12725133