--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-02-28T00:00:00Z' dns-udp-queries-received-ipv4: 2406458654 dns-udp-queries-received-ipv6: 452712588 dns-tcp-queries-received-ipv4: 45038250 dns-tcp-queries-received-ipv6: 11383084 dns-udp-responses-sent-ipv4: 2385647870 dns-udp-responses-sent-ipv6: 450342667 dns-tcp-responses-sent-ipv4: 41571297 dns-tcp-responses-sent-ipv6: 10734838