--- version: rssac002v4 service: a.root-servers.net start-period: '2023-12-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7772399539 dns-udp-queries-received-ipv6: 1538861697 dns-tcp-queries-received-ipv4: 424737547 dns-tcp-queries-received-ipv6: 70643790 dns-udp-responses-sent-ipv4: 7598471144 dns-udp-responses-sent-ipv6: 1513378917 dns-tcp-responses-sent-ipv4: 400012610 dns-tcp-responses-sent-ipv6: 58574028