🌐 Reverse ASN Lookup

Find all domains hosted on this ASN

Every .dk domain whose website address (A record) is announced by AS16003, 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#

105 days
011222026-07-022026-08-232026-10-14
1 latest0 over 105 days

Active .dk domains whose website address (A record) is announced by AS16003, counted once a day.

🛰️ Upstream providers of AS16003#

via ipbot.dk

FORNEX-NL-AS Fornex Hosting S.L. announces 40 prefixes (38 IPv4, 2 IPv6) and reaches the internet through 10 upstream networks.

UpstreamNamePower
AS6939Hurricane Electric LLC
100.0%
AS8455atom86 BV
82.6%
AS6204ZET-NET INTERKVM HOST SRL
58.9%
AS58329SERVINGA-NL servinga GmbH
24.1%
AS39351ESAB-AS 31173 Services AB
0.7%
AS41327Fiber Telecom S.p.A.
0.7%
AS47692Nessus GmbH
0.7%
AS49434FBW NETWORKS SAS
0.7%
AS62000SERVERD SAS
0.7%
AS8218NEO-ASN Zayo Infrastructure France SA
0.7%

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

Found 0 domains matching 16003
🔍
No results found in the database.

🧭 Nameservers in this AS#

1 host
HostnameDomains
ns3.fornex.com 6

📮 Mail Exchangers in this AS#

1 host
HostnameDomains
mail.cph-dev.dk 1
dhd.dk [/] search Domains, Hosts & DNS — .dk zone