--- version: rssac002v4 service: a.root-servers.net start-period: '2023-12-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7998692103 dns-udp-queries-received-ipv6: 1564683775 dns-tcp-queries-received-ipv4: 418995301 dns-tcp-queries-received-ipv6: 74477923 dns-udp-responses-sent-ipv4: 7819594529 dns-udp-responses-sent-ipv6: 1537762294 dns-tcp-responses-sent-ipv4: 395119965 dns-tcp-responses-sent-ipv6: 61846288