--- service: h.root-servers.net metric: traffic-volume start-period: '2015-11-29T00:00:00Z' end-period: '2015-11-29T23:59:59Z' dns-udp-queries-received-ipv4: 2195609872 dns-udp-queries-received-ipv6: 205346294 dns-tcp-queries-received-ipv4: 338117 dns-tcp-queries-received-ipv6: 336986 dns-udp-responses-sent-ipv4: 1953829391 dns-udp-responses-sent-ipv6: 205048767 dns-tcp-responses-sent-ipv4: 213850 dns-tcp-responses-sent-ipv6: 304305