--- service: h.root-servers.net metric: traffic-volume start-period: '2015-09-02T00:00:00Z' end-period: '2015-09-02T23:59:59Z' dns-udp-queries-received-ipv4: 2463446623 dns-udp-queries-received-ipv6: 177189388 dns-tcp-queries-received-ipv4: 235010 dns-tcp-queries-received-ipv6: 283250 dns-udp-responses-sent-ipv4: 2054803406 dns-udp-responses-sent-ipv6: 176942722 dns-tcp-responses-sent-ipv4: 123592 dns-tcp-responses-sent-ipv6: 252344