--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2018-01-02T00:00:00Z' dns-udp-queries-received-ipv4: 1524390776 dns-udp-queries-received-ipv6: 310447486 dns-tcp-queries-received-ipv4: 49161431 dns-tcp-queries-received-ipv6: 9327458 dns-udp-responses-sent-ipv4: 1523668462 dns-udp-responses-sent-ipv6: 310428365 dns-tcp-responses-sent-ipv4: 58820002 dns-tcp-responses-sent-ipv6: 8944992