--- service: m.root-servers.net start-period: '2016-10-19T00:00:00Z' end-period: '2016-10-19T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1443521004 dns-udp-queries-received-ipv6: 220039248 dns-udp-responses-sent-ipv4: 1373851615 dns-udp-responses-sent-ipv6: 217815223 dns-tcp-queries-received-ipv4: 36670808 dns-tcp-queries-received-ipv6: 6149027 dns-tcp-responses-sent-ipv4: 36571537 dns-tcp-responses-sent-ipv6: 5972203