--- version: rssac002v3 service: a.root-servers.net start-period: '2021-09-24T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5130854165 dns-udp-queries-received-ipv6: 1274361127 dns-tcp-queries-received-ipv4: 302859482 dns-tcp-queries-received-ipv6: 87273673 dns-udp-responses-sent-ipv4: 5107136404 dns-udp-responses-sent-ipv6: 1312593461 dns-tcp-responses-sent-ipv4: 293623382 dns-tcp-responses-sent-ipv6: 87726617