--- version: rssac002v3 service: k.root-servers.net start-period: 2018-12-11T00:00:00Z metric: traffic-volume dns-udp-queries-received-ipv4: 4692088266 dns-udp-queries-received-ipv6: 1011662587 dns-tcp-queries-received-ipv4: 92820463 dns-tcp-queries-received-ipv6: 17009489 dns-udp-responses-sent-ipv4: 4689726577 dns-udp-responses-sent-ipv6: 1010719906 dns-tcp-responses-sent-ipv4: 88813379 dns-tcp-responses-sent-ipv6: 15721749