--- version: rssac002v3 service: d.root-servers.net start-period: '2017-12-29T00:00:00Z' end-period: '2017-12-29T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3624168289 dns-udp-queries-received-ipv6: 550802321 dns-tcp-queries-received-ipv4: 97821772 dns-tcp-queries-received-ipv6: 12060651 dns-udp-responses-sent-ipv4: 3623088359 dns-udp-responses-sent-ipv6: 550613176 dns-tcp-responses-sent-ipv4: 96362922 dns-tcp-responses-sent-ipv6: 12058130