--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-05-05T00:00:00Z' dns-udp-queries-received-ipv4: 2323940627 dns-udp-queries-received-ipv6: 478659444 dns-tcp-queries-received-ipv4: 40656266 dns-tcp-queries-received-ipv6: 14165202 dns-udp-responses-sent-ipv4: 2283272566 dns-udp-responses-sent-ipv6: 476901740 dns-tcp-responses-sent-ipv4: 38694869 dns-tcp-responses-sent-ipv6: 13722478