--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2017-04-20T00:00:00Z' dns-udp-queries-received-ipv4: 2008659857 dns-udp-queries-received-ipv6: 408580438 dns-tcp-queries-received-ipv4: 2615214 dns-tcp-queries-received-ipv6: 5605216 dns-udp-responses-sent-ipv4: 2010336599 dns-udp-responses-sent-ipv6: 411822047 dns-tcp-responses-sent-ipv4: 2939485 dns-tcp-responses-sent-ipv6: 6609730