--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2017-02-21T00:00:00Z' dns-udp-queries-received-ipv4: 2258748705 dns-udp-queries-received-ipv6: 524038610 dns-tcp-queries-received-ipv4: 2354726 dns-tcp-queries-received-ipv6: 3396817 dns-udp-responses-sent-ipv4: 2359922687 dns-udp-responses-sent-ipv6: 541630552 dns-tcp-responses-sent-ipv4: 1635665 dns-tcp-responses-sent-ipv6: 3109359