--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-08-10T00:00:00Z dns-udp-queries-received-ipv4: 3323257300 dns-udp-queries-received-ipv6: 505876888 dns-tcp-queries-received-ipv4: 122843354 dns-tcp-queries-received-ipv6: 59446029 dns-udp-responses-sent-ipv4: 3319729782 dns-udp-responses-sent-ipv6: 505824609 dns-tcp-responses-sent-ipv4: 126150283 dns-tcp-responses-sent-ipv6: 61252657