--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-09-24T00:00:00Z dns-udp-queries-received-ipv4: 3263969169 dns-udp-queries-received-ipv6: 486252013 dns-tcp-queries-received-ipv4: 116854533 dns-tcp-queries-received-ipv6: 58144725 dns-udp-responses-sent-ipv4: 3261045649 dns-udp-responses-sent-ipv6: 486203272 dns-tcp-responses-sent-ipv4: 120148357 dns-tcp-responses-sent-ipv6: 59938647