--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2016-12-19T00:00:00Z' dns-udp-queries-received-ipv4: 2143885804 dns-udp-queries-received-ipv6: 530198674 dns-tcp-queries-received-ipv4: 650874 dns-tcp-queries-received-ipv6: 4345349 dns-udp-responses-sent-ipv4: 2141805848 dns-udp-responses-sent-ipv6: 531031852 dns-tcp-responses-sent-ipv4: 440133 dns-tcp-responses-sent-ipv6: 3862034