--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-06-11T00:00:00Z dns-udp-queries-received-ipv4: 4041727236 dns-udp-queries-received-ipv6: 521278453 dns-tcp-queries-received-ipv4: 127774847 dns-tcp-queries-received-ipv6: 67063237 dns-udp-responses-sent-ipv4: 4037590792 dns-udp-responses-sent-ipv6: 521222643 dns-tcp-responses-sent-ipv4: 131490781 dns-tcp-responses-sent-ipv6: 69046979