--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2018-09-14T00:00:00Z' dns-udp-queries-received-ipv4: 2008646706 dns-udp-queries-received-ipv6: 345991172 dns-tcp-queries-received-ipv4: 44695343 dns-tcp-queries-received-ipv6: 13610330 dns-udp-responses-sent-ipv4: 2004266477 dns-udp-responses-sent-ipv6: 345886532 dns-tcp-responses-sent-ipv4: 43157465 dns-tcp-responses-sent-ipv6: 13236894