CenturyLink Communications, LLC (United States) currently hosts 51 .dk domains in our dataset — <0.01% of all scanned .dk domains. Across all our scans we have observed 30 unique IPv4 addresses on this provider's networks, and the domains currently sit in 28 IPv4 CIDR blocks covering roughly 233.5 thousand addresses of IPv4 space.
We have yet to observe any IPv6 (AAAA) hosting at this provider.
On the security side, 3 of the domains hosted here (5.9%) validate as DNSSEC-secure — below the zone-wide average of 62.8%. See how this provider's networks compare on the ASN statistics page, or drill into the CIDR list below the results.