--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2016-12-23T00:00:00Z' dns-udp-queries-received-ipv4: 2015516469 dns-udp-queries-received-ipv6: 533920337 dns-tcp-queries-received-ipv4: 712238 dns-tcp-queries-received-ipv6: 3805563 dns-udp-responses-sent-ipv4: 2011763668 dns-udp-responses-sent-ipv6: 534374296 dns-tcp-responses-sent-ipv4: 292267 dns-tcp-responses-sent-ipv6: 3436192