--- service: h.root-servers.net metric: traffic-volume start-period: '2016-01-02T00:00:00Z' end-period: '2016-01-02T23:59:59Z' dns-udp-queries-received-ipv4: 2535058208 dns-udp-queries-received-ipv6: 234088564 dns-tcp-queries-received-ipv4: 453214 dns-tcp-queries-received-ipv6: 330212 dns-udp-responses-sent-ipv4: 2423998585 dns-udp-responses-sent-ipv6: 233730485 dns-tcp-responses-sent-ipv4: 312252 dns-tcp-responses-sent-ipv6: 299835