--- version: rssac002v4 service: a.root-servers.net start-period: '2023-01-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6581448308 dns-udp-queries-received-ipv6: 1987557397 dns-tcp-queries-received-ipv4: 382976852 dns-tcp-queries-received-ipv6: 113768730 dns-udp-responses-sent-ipv4: 6233510681 dns-udp-responses-sent-ipv6: 1818780656 dns-tcp-responses-sent-ipv4: 337442965 dns-tcp-responses-sent-ipv6: 93361750