--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-09-07T00:00:00Z dns-udp-queries-received-ipv4: 3193010474 dns-udp-queries-received-ipv6: 456889778 dns-tcp-queries-received-ipv4: 131280993 dns-tcp-queries-received-ipv6: 66676566 dns-udp-responses-sent-ipv4: 3190103220 dns-udp-responses-sent-ipv6: 456837314 dns-tcp-responses-sent-ipv4: 134812967 dns-tcp-responses-sent-ipv6: 68549365