--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-05-13T00:00:00Z' dns-udp-queries-received-ipv4: 2725786409 dns-udp-queries-received-ipv6: 514933704 dns-tcp-queries-received-ipv4: 60424991 dns-tcp-queries-received-ipv6: 16632723 dns-udp-responses-sent-ipv4: 2701976506 dns-udp-responses-sent-ipv6: 514561932 dns-tcp-responses-sent-ipv4: 58794328 dns-tcp-responses-sent-ipv6: 16421018