--- service: h.root-servers.net metric: traffic-volume start-period: '2015-11-20T00:00:00Z' end-period: '2015-11-20T23:59:59Z' dns-udp-queries-received-ipv4: 2335448059 dns-udp-queries-received-ipv6: 214761244 dns-tcp-queries-received-ipv4: 446506 dns-tcp-queries-received-ipv6: 345778 dns-udp-responses-sent-ipv4: 2154081426 dns-udp-responses-sent-ipv6: 214456122 dns-tcp-responses-sent-ipv4: 268515 dns-tcp-responses-sent-ipv6: 306919