--- version: rssac002v4 service: a.root-servers.net start-period: '2024-01-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8375819364 dns-udp-queries-received-ipv6: 1739495883 dns-tcp-queries-received-ipv4: 397675521 dns-tcp-queries-received-ipv6: 78617330 dns-udp-responses-sent-ipv4: 8181100551 dns-udp-responses-sent-ipv6: 1694386257 dns-tcp-responses-sent-ipv4: 371608529 dns-tcp-responses-sent-ipv6: 60737133