--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-05-20T00:00:00Z' dns-udp-queries-received-ipv4: 2892650231 dns-udp-queries-received-ipv6: 513286731 dns-tcp-queries-received-ipv4: 63200457 dns-tcp-queries-received-ipv6: 16707936 dns-udp-responses-sent-ipv4: 2854251506 dns-udp-responses-sent-ipv6: 512879664 dns-tcp-responses-sent-ipv4: 61986966 dns-tcp-responses-sent-ipv6: 16568706