--- service: h.root-servers.net metric: traffic-volume start-period: '2016-04-16T00:00:00Z' end-period: '2016-04-16T23:59:59Z' dns-udp-queries-received-ipv4: 2826638207 dns-udp-queries-received-ipv6: 302639965 dns-tcp-queries-received-ipv4: 756984 dns-tcp-queries-received-ipv6: 554211 dns-udp-responses-sent-ipv4: 2763868724 dns-udp-responses-sent-ipv6: 301863667 dns-tcp-responses-sent-ipv4: 360749 dns-tcp-responses-sent-ipv6: 511494