--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-03-27T00:00:00Z dns-udp-queries-received-ipv4: 3196806328 dns-udp-queries-received-ipv6: 830346254 dns-tcp-queries-received-ipv4: 90510076 dns-tcp-queries-received-ipv6: 66335053 dns-udp-responses-sent-ipv4: 3190400728 dns-udp-responses-sent-ipv6: 830039537 dns-tcp-responses-sent-ipv4: 89340490 dns-tcp-responses-sent-ipv6: 65334310