--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-12-01T00:00:00Z dns-udp-queries-received-ipv4: 3130724373 dns-udp-queries-received-ipv6: 740916303 dns-tcp-queries-received-ipv4: 64286434 dns-tcp-queries-received-ipv6: 40332628 dns-udp-responses-sent-ipv4: 3127922164 dns-udp-responses-sent-ipv6: 740850282 dns-tcp-responses-sent-ipv4: 65841610 dns-tcp-responses-sent-ipv6: 41058208