--- version: rssac002v5 service: a.root-servers.net start-period: '2025-05-31T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8413171062 dns-udp-queries-received-ipv6: 1963610854 dns-tcp-queries-received-ipv4: 430120936 dns-tcp-queries-received-ipv6: 52080566 dns-udp-responses-sent-ipv4: 8256241966 dns-udp-responses-sent-ipv6: 1933411291 dns-tcp-responses-sent-ipv4: 384175985 dns-tcp-responses-sent-ipv6: 39913502