--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-05-11T00:00:00Z dns-udp-queries-received-ipv4: 4263656978 dns-udp-queries-received-ipv6: 428558987 dns-tcp-queries-received-ipv4: 129499916 dns-tcp-queries-received-ipv6: 71813310 dns-udp-responses-sent-ipv4: 4260207428 dns-udp-responses-sent-ipv6: 428514866 dns-tcp-responses-sent-ipv4: 132659251 dns-tcp-responses-sent-ipv6: 74238333