Every .dk domain hosted by Web4U s.r.o., with the provider's IPv6 and DNSSEC adoption and the network prefixes its customers' sites live in. Data comes from our own scanners, which re-resolve every .dk domain in the zone roughly once a week.
Web4U s.r.o. (Czechia) currently hosts 43 .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: 41 domains (95.3%) 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 for domains with a web address, 70.5%. See how this provider's networks compare on the ASN statistics page, or drill into the CIDR list below the results.
| CIDR | Domains |
|---|---|
| 81.91.80.0/20 | 42 |
| 2001:1568:0:0:0:0:0:0/32 | 41 |
| 185.14.224.0/22 | 1 |