--- version: rssac002v3 service: d.root-servers.net start-period: '2018-12-23T00:00:00Z' end-period: '2018-12-23T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5740602027 dns-udp-queries-received-ipv6: 1350687140 dns-tcp-queries-received-ipv4: 372841045 dns-tcp-queries-received-ipv6: 36139640 dns-udp-responses-sent-ipv4: 5740593532 dns-udp-responses-sent-ipv6: 1350518966 dns-tcp-responses-sent-ipv4: 372203536 dns-tcp-responses-sent-ipv6: 36118344