--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2016-12-25T00:00:00Z' dns-udp-queries-received-ipv4: 1827728555 dns-udp-queries-received-ipv6: 490963199 dns-tcp-queries-received-ipv4: 724135 dns-tcp-queries-received-ipv6: 3108895 dns-udp-responses-sent-ipv4: 1824849326 dns-udp-responses-sent-ipv6: 491402614 dns-tcp-responses-sent-ipv4: 247963 dns-tcp-responses-sent-ipv6: 2799067