--- version: rssac002v3 service: d.root-servers.net start-period: '2018-12-25T00:00:00Z' end-period: '2018-12-25T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5731136736 dns-udp-queries-received-ipv6: 1348563773 dns-tcp-queries-received-ipv4: 369792323 dns-tcp-queries-received-ipv6: 41704206 dns-udp-responses-sent-ipv4: 5731144764 dns-udp-responses-sent-ipv6: 1348399471 dns-tcp-responses-sent-ipv4: 368896093 dns-tcp-responses-sent-ipv6: 41680018