--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-11-13T00:00:00Z dns-udp-queries-received-ipv4: 2862237611 dns-udp-queries-received-ipv6: 701889872 dns-tcp-queries-received-ipv4: 163605133 dns-tcp-queries-received-ipv6: 50746848 dns-udp-responses-sent-ipv4: 2859002463 dns-udp-responses-sent-ipv6: 701587760 dns-tcp-responses-sent-ipv4: 166538057 dns-tcp-responses-sent-ipv6: 52120031