--- version: rssac002v3 service: a.root-servers.net start-period: '2020-01-31T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7229502034 dns-udp-queries-received-ipv6: 1106338311 dns-tcp-queries-received-ipv4: 273036125 dns-tcp-queries-received-ipv6: 103939500 dns-udp-responses-sent-ipv4: 7022572059 dns-udp-responses-sent-ipv6: 1101859927 dns-tcp-responses-sent-ipv4: 257387516 dns-tcp-responses-sent-ipv6: 103936486