--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2017-06-02T00:00:00Z' dns-udp-queries-received-ipv4: 1818026954 dns-udp-queries-received-ipv6: 332896937 dns-tcp-queries-received-ipv4: 1719194 dns-tcp-queries-received-ipv6: 5816183 dns-udp-responses-sent-ipv4: 1816600717 dns-udp-responses-sent-ipv6: 334430407 dns-tcp-responses-sent-ipv4: 1652396 dns-tcp-responses-sent-ipv6: 6719849