---
version: rssac002v4
service: a.root-servers.net
start-period: '2021-12-21T00:00:00Z'
metric: traffic-volume
dns-udp-queries-received-ipv4: 5142877776
dns-udp-queries-received-ipv6: 1378767302
dns-tcp-queries-received-ipv4: 285309141
dns-tcp-queries-received-ipv6: 59414032
dns-udp-responses-sent-ipv4: 5247247453
dns-udp-responses-sent-ipv6: 1424270388
dns-tcp-responses-sent-ipv4: 273794977
dns-tcp-responses-sent-ipv6: 59357624