--- version: rssac002v4 service: a.root-servers.net start-period: '2023-12-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8302642481 dns-udp-queries-received-ipv6: 1693026757 dns-tcp-queries-received-ipv4: 421797087 dns-tcp-queries-received-ipv6: 80333567 dns-udp-responses-sent-ipv4: 8118925888 dns-udp-responses-sent-ipv6: 1652122445 dns-tcp-responses-sent-ipv4: 398047267 dns-tcp-responses-sent-ipv6: 61905131