--- version: rssac002v4 service: a.root-servers.net start-period: '2023-02-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6744011231 dns-udp-queries-received-ipv6: 2226604289 dns-tcp-queries-received-ipv4: 403373439 dns-tcp-queries-received-ipv6: 137723175 dns-udp-responses-sent-ipv4: 6173204395 dns-udp-responses-sent-ipv6: 1876550212 dns-tcp-responses-sent-ipv4: 334059268 dns-tcp-responses-sent-ipv6: 110511346