--- service: h.root-servers.net metric: traffic-volume start-period: '2016-02-17T00:00:00Z' end-period: '2016-02-17T23:59:59Z' dns-udp-queries-received-ipv4: 3011723589 dns-udp-queries-received-ipv6: 254772321 dns-tcp-queries-received-ipv4: 770590 dns-tcp-queries-received-ipv6: 654895 dns-udp-responses-sent-ipv4: 2838438195 dns-udp-responses-sent-ipv6: 254648531 dns-tcp-responses-sent-ipv4: 531165 dns-tcp-responses-sent-ipv6: 593792