--- service: m.root-servers.net start-period: '2016-10-13T00:00:00Z' end-period: '2016-10-13T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1489605754 dns-udp-queries-received-ipv6: 216254504 dns-udp-responses-sent-ipv4: 1419186760 dns-udp-responses-sent-ipv6: 215974270 dns-tcp-queries-received-ipv4: 41694626 dns-tcp-queries-received-ipv6: 5411396 dns-tcp-responses-sent-ipv4: 41494420 dns-tcp-responses-sent-ipv6: 5349196