--- version: rssac002v4 service: a.root-servers.net start-period: '2023-02-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6897588721 dns-udp-queries-received-ipv6: 2357274908 dns-tcp-queries-received-ipv4: 437120682 dns-tcp-queries-received-ipv6: 120113682 dns-udp-responses-sent-ipv4: 6311306603 dns-udp-responses-sent-ipv6: 1977308882 dns-tcp-responses-sent-ipv4: 369826935 dns-tcp-responses-sent-ipv6: 93627715