--- version: rssac002v3 service: d.root-servers.net start-period: '2018-01-20T00:00:00Z' end-period: '2018-01-20T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3426675834 dns-udp-queries-received-ipv6: 542334295 dns-tcp-queries-received-ipv4: 75056365 dns-tcp-queries-received-ipv6: 12526338 dns-udp-responses-sent-ipv4: 3425617709 dns-udp-responses-sent-ipv6: 542145702 dns-tcp-responses-sent-ipv4: 75009135 dns-tcp-responses-sent-ipv6: 12524703