--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-12-24T00:00:00Z dns-udp-queries-received-ipv4: 2936549992 dns-udp-queries-received-ipv6: 595882484 dns-tcp-queries-received-ipv4: 53752218 dns-tcp-queries-received-ipv6: 23401357 dns-udp-responses-sent-ipv4: 2933487248 dns-udp-responses-sent-ipv6: 595654735 dns-tcp-responses-sent-ipv4: 55062041 dns-tcp-responses-sent-ipv6: 24155100