--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-02-13T00:00:00Z' dns-udp-queries-received-ipv4: 2346731064 dns-udp-queries-received-ipv6: 529302962 dns-tcp-queries-received-ipv4: 41314475 dns-tcp-queries-received-ipv6: 10403543 dns-udp-responses-sent-ipv4: 2318970891 dns-udp-responses-sent-ipv6: 526027899 dns-tcp-responses-sent-ipv4: 37484488 dns-tcp-responses-sent-ipv6: 9630048