🌐 Reverse ASN Lookup

Find all domains hosted on this ASN

Every .dk domain whose website address (A record) is announced by AS40934, 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#

109 days
445662026-07-012026-08-242026-10-17
4 latest-2 over 109 days

Active .dk domains whose website address (A record) is announced by AS40934, counted once a day.

🌐 AS40934 at a glance#

Fortinet Inc.

AS40934 is announced by Fortinet Inc. (United States) and currently hosts 4 .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 network, and the domains currently sit in 2 IPv4 CIDR blocks covering roughly 2.6 thousand addresses of IPv4 space.

We have yet to observe any IPv6 (AAAA) hosting on this AS.

The network is part of the .dk zone's infrastructure too: no nameservers and 14 distinct mail exchangers serving .dk domains currently resolve to addresses announced by this AS.

On the security side, 4 of the domains hosted here (100.0%) validate as DNSSEC-secure — well above 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 AS40934#

via ipbot.dk

Fortinet Inc. announces 362 prefixes (353 IPv4, 9 IPv6) and reaches the internet through 10 upstream networks.

UpstreamNamePower
AS6461Zayo Bandwidth
100.0%
AS3257GTT-BACKBONE GTT Communications Inc.
93.3%
AS174Cogent Communications, LLC
91.7%
AS2914NTT-DATA-2914 - NTT America, Inc.
77.0%
AS9498BBIL-AP - BHARTI Airtel Ltd.
76.1%
AS577BACOM - Bell Canada
68.5%
AS7195EDGEUNO S.A.S
67.6%
AS15802DU-AS1 Emirates Integrated Telecommunications Company PJSC
50.2%
AS4755TATA Communications formerly VSNL is Leading ISP
42.7%
AS6327Shaw Communications
39.1%

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

📡 Known CIDRs#

2 CIDRs

📮 Mail Exchangers in this AS#

14 hosts
dhd.dk [/] search Domains, Hosts & DNS — .dk zone