--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-03-05T00:00:00Z' dns-udp-queries-received-ipv4: 2402210217 dns-udp-queries-received-ipv6: 431996380 dns-tcp-queries-received-ipv4: 41511561 dns-tcp-queries-received-ipv6: 10206135 dns-udp-responses-sent-ipv4: 2374415097 dns-udp-responses-sent-ipv6: 429253081 dns-tcp-responses-sent-ipv4: 37846245 dns-tcp-responses-sent-ipv6: 9477586