--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-02-07T00:00:00Z dns-udp-queries-received-ipv4: 3407134808 dns-udp-queries-received-ipv6: 811832944 dns-tcp-queries-received-ipv4: 116087128 dns-tcp-queries-received-ipv6: 73262924 dns-udp-responses-sent-ipv4: 3397132752 dns-udp-responses-sent-ipv6: 811701200 dns-tcp-responses-sent-ipv4: 96600369 dns-tcp-responses-sent-ipv6: 75234301