--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-12-16T00:00:00Z dns-udp-queries-received-ipv4: 3268115832 dns-udp-queries-received-ipv6: 661737617 dns-tcp-queries-received-ipv4: 61765285 dns-tcp-queries-received-ipv6: 27365146 dns-udp-responses-sent-ipv4: 3265003074 dns-udp-responses-sent-ipv6: 661677078 dns-tcp-responses-sent-ipv4: 63474033 dns-tcp-responses-sent-ipv6: 28375181