--- dns-tcp-queries-received-ipv4: 258353025 dns-tcp-queries-received-ipv6: 21884503 dns-tcp-responses-sent-ipv4: 258344583 dns-tcp-responses-sent-ipv6: 21876304 dns-udp-queries-received-ipv4: 6069494892 dns-udp-queries-received-ipv6: 1411350454 dns-udp-responses-sent-ipv4: 5920661772 dns-udp-responses-sent-ipv6: 1406131572 metric: traffic-volume service: f.root-servers.net start-period: 2018-04-21T00:00:00Z version: rssac002v3