Every .dk domain whose website address (A record) is announced by AS16417, with the network's IPv6 and DNSSEC adoption and its observed prefixes. An autonomous system is the routing identity of a hosting company or ISP. Data comes from our own scanners, which re-resolve every .dk domain in the zone roughly once a week.
IRONPORT-SYSTEMS-INC - Cisco Systems Ironport Division announces 118 prefixes (107 IPv4, 11 IPv6) and reaches the internet through 9 upstream networks.
Upstream and prefix data supplied by ipbot.dk; power is relative to the strongest upstream.