---
service: h.root-servers.net
metric: traffic-volume
version: rssac002v4
start-period: 2021-06-20T00:00:00Z
dns-udp-queries-received-ipv4: 3621882224
dns-udp-queries-received-ipv6: 459297748
dns-tcp-queries-received-ipv4: 126861432
dns-tcp-queries-received-ipv6: 62740800
dns-udp-responses-sent-ipv4: 3612009150
dns-udp-responses-sent-ipv6: 459251615
dns-tcp-responses-sent-ipv4: 130448784
dns-tcp-responses-sent-ipv6: 64719893