--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-08-16T00:00:00Z dns-udp-queries-received-ipv4: 3397811106 dns-udp-queries-received-ipv6: 476969330 dns-tcp-queries-received-ipv4: 128653524 dns-tcp-queries-received-ipv6: 65281237 dns-udp-responses-sent-ipv4: 3394786140 dns-udp-responses-sent-ipv6: 476911846 dns-tcp-responses-sent-ipv4: 132445686 dns-tcp-responses-sent-ipv6: 67513248