Web4U s.r.o. (Czechia) currently hosts 44 .dk domains in our dataset — <0.01% of all scanned .dk domains. Across all our scans we have observed 3 unique IPv4 addresses on this provider's networks, and the domains currently sit in 2 IPv4 CIDR blocks covering roughly 5.1 thousand addresses of IPv4 space.

IPv6 is live here too: 42 domains (95.5%) publish AAAA records from this provider, resolving to 1 unique IPv6 address across 1 prefix (about 4.3 billion /64 networks of space).

On the security side, 1 of the domains hosted here (2.3%) 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.