--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-02-17T00:00:00Z dns-udp-queries-received-ipv4: 3666465772 dns-udp-queries-received-ipv6: 919698471 dns-tcp-queries-received-ipv4: 113045353 dns-tcp-queries-received-ipv6: 72134895 dns-udp-responses-sent-ipv4: 3659510416 dns-udp-responses-sent-ipv6: 919528533 dns-tcp-responses-sent-ipv4: 91924645 dns-tcp-responses-sent-ipv6: 74067338