--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-04-12T00:00:00Z dns-udp-queries-received-ipv4: 3810382257 dns-udp-queries-received-ipv6: 1058741300 dns-tcp-queries-received-ipv4: 120248619 dns-tcp-queries-received-ipv6: 68607032 dns-udp-responses-sent-ipv4: 3805653830 dns-udp-responses-sent-ipv6: 1058270306 dns-tcp-responses-sent-ipv4: 122764272 dns-tcp-responses-sent-ipv6: 70594033