🌐 Reverse ASN Lookup

Find all domains hosted on this ASN

Every .dk domain whose website address (A record) is announced by AS40994, 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.

📈 Domains over time#

108 days
334552026-07-012026-08-232026-10-16
5 latest+1 over 108 days

Active .dk domains whose website address (A record) is announced by AS40994, counted once a day.

🌐 AS40994 at a glance#

Hohl IT e.U.

AS40994 is announced by Hohl IT e.U. (Austria) and currently hosts 5 .dk domains in our dataset — <0.01% of all scanned .dk domains. Across all our scans we have observed 5 unique IPv4 addresses on this network, and the domains currently sit in 3 IPv4 CIDR blocks covering roughly 1.3 thousand addresses of IPv4 space.

IPv6 is live here too: 1 domain (20.0%) publish AAAA records from this AS, resolving to 1 unique IPv6 address across 1 prefix (about 4.3 billion /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, 1 of the domains hosted here (20.0%) validate as DNSSEC-secure — below the zone-wide average for domains with a web address, 70.5%. See how this AS compares on the ASN statistics page, or drill into the CIDR list below the results.

🛰️ Upstream providers of AS40994#

via ipbot.dk

Alwyzon Hohl IT e.U. announces 25 prefixes (24 IPv4, 1 IPv6) and reaches the internet through 10 upstream networks.

UpstreamNamePower
AS6939Hurricane Electric LLC
100.0%
AS174Cogent Communications, LLC
83.2%
AS2914NTT-DATA-2914 - NTT America, Inc.
77.9%
AS1299TWELVE99 Arelion Sweden AB
28.7%
AS6762SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.
25.3%
AS3257GTT-BACKBONE GTT Communications Inc.
15.3%
AS9002RETN Limited
3.5%
AS5405INTERDOTLINK Inter.link GmbH
2.6%
AS6663TTI-NET Euroweb Romania S.R.L.
2.1%
AS13030Init7 (Switzerland) Ltd.
0.7%

Upstream and prefix data supplied by ipbot.dk; power is relative to the strongest upstream.

🔻 Networks using AS40994 as upstream#

3 networks
NetworkNameDomainsPower
AS29997VITAL-DNS - Vitalwerks Internet Solutions, LLC—
100.0%
AS210250WPX K Media Tech Ltd.83
100.0%
AS203391CLOUDNSNET Cloud DNS Ltd—
75.0%

Among the networks we hold ipbot.dk routing data for (the ones looked up on this site), so this is a sample of the AS's customers, not all of them.

📡 Known CIDRs#

4 CIDRs

📮 Mail Exchangers in this AS#

1 host
HostnameDomains
mx2.mc1.dhser.net 7
dhd.dk [/] search Domains, Hosts & DNS — .dk zone