--- version: rssac002v4 service: a.root-servers.net start-period: '2023-06-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7128265961 dns-udp-queries-received-ipv6: 1997298572 dns-tcp-queries-received-ipv4: 534507238 dns-tcp-queries-received-ipv6: 163279139 dns-udp-responses-sent-ipv4: 6669301244 dns-udp-responses-sent-ipv6: 1705616840 dns-tcp-responses-sent-ipv4: 489505491 dns-tcp-responses-sent-ipv6: 126630176