--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-03-04T00:00:00Z' dns-udp-queries-received-ipv4: 2533685106 dns-udp-queries-received-ipv6: 501472377 dns-tcp-queries-received-ipv4: 47622865 dns-tcp-queries-received-ipv6: 12775309 dns-udp-responses-sent-ipv4: 2507475570 dns-udp-responses-sent-ipv6: 499408977 dns-tcp-responses-sent-ipv4: 44376474 dns-tcp-responses-sent-ipv6: 12098074