--- version: rssac002v3 service: d.root-servers.net start-period: '2018-01-28T00:00:00Z' end-period: '2018-01-28T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3521775660 dns-udp-queries-received-ipv6: 526565316 dns-tcp-queries-received-ipv4: 75835411 dns-tcp-queries-received-ipv6: 13172001 dns-udp-responses-sent-ipv4: 3520843280 dns-udp-responses-sent-ipv6: 526406089 dns-tcp-responses-sent-ipv4: 75810592 dns-tcp-responses-sent-ipv6: 13170567