--- version: rssac002v4 service: a.root-servers.net start-period: '2023-09-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5781912926 dns-udp-queries-received-ipv6: 1530277012 dns-tcp-queries-received-ipv4: 306657150 dns-tcp-queries-received-ipv6: 45620484 dns-udp-responses-sent-ipv4: 5656791785 dns-udp-responses-sent-ipv6: 1516964738 dns-tcp-responses-sent-ipv4: 305529992 dns-tcp-responses-sent-ipv6: 41327118