AS30811 is announced by Optimizely AB (Sweden) and currently hosts 212 .dk domains in our dataset — 0.02% of all scanned .dk domains. Across all our scans we have observed 1 unique IPv4 address on this network, and the domains currently sit in 1 IPv4 CIDR block covering roughly 256 addresses of IPv4 space.

IPv6 is live here too: 76 domains (35.8%) publish AAAA records from this AS, resolving to 1 unique IPv6 address across 2 prefixes (about 131.1 thousand /64 networks of space).

The network is part of the .dk zone's infrastructure too: no nameservers and 1 distinct mail exchanger serving .dk domains currently resolve to addresses announced by this AS.

On the security side, 43 of the domains hosted here (20.3%) validate as DNSSEC-secure — below the zone-wide average of 62.8%. See how this AS compares on the ASN statistics page, or drill into the CIDR list below the results.