--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-02-17T00:00:00Z' dns-udp-queries-received-ipv4: 2291921808 dns-udp-queries-received-ipv6: 526670906 dns-tcp-queries-received-ipv4: 47142411 dns-tcp-queries-received-ipv6: 12763110 dns-udp-responses-sent-ipv4: 2277614010 dns-udp-responses-sent-ipv6: 525766612 dns-tcp-responses-sent-ipv4: 43489111 dns-tcp-responses-sent-ipv6: 12103354