--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2018-09-22T00:00:00Z' dns-udp-queries-received-ipv4: 2615929218 dns-udp-queries-received-ipv6: 489223974 dns-tcp-queries-received-ipv4: 38500821 dns-tcp-queries-received-ipv6: 14090804 dns-udp-responses-sent-ipv4: 2610890590 dns-udp-responses-sent-ipv6: 489101745 dns-tcp-responses-sent-ipv4: 36765544 dns-tcp-responses-sent-ipv6: 13546837