🌐 Reverse ASN Lookup

Find all domains hosted on this ASN

Every .dk domain whose website address (A record) is announced by AS29243, 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
011222026-07-012026-08-242026-10-17
1 latest0 over 109 days

Active .dk domains whose website address (A record) is announced by AS29243, counted once a day.

🌐 AS29243 at a glance#

Domainkeskus Oy

AS29243 is announced by Domainkeskus Oy (Finland) and currently hosts 1 .dk domain in our dataset — <0.01% 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 4.1 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: 4 distinct nameservers and 1 distinct mail exchanger serving .dk domains currently resolve to addresses announced by this AS.

On the security side, 0 of the domains hosted here (0.0%) 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 AS29243#

via ipbot.dk

MMD-AS Domainkeskus Oy announces 4 prefixes (3 IPv4, 1 IPv6) and reaches the internet through 2 upstream networks.

UpstreamNamePower
AS47605FNE-Finland Oy
100.0%
AS719Elisa Oyj
15.8%

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

🔻 Networks using AS29243 as upstream#

1 network
NetworkNameDomainsPower
AS201964EURONIC Domainkeskus Oy40
100.0%

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.

Found 1 domain matching 29243
DomainIPASNISP / OrgCountry
eilakaisla.dk 80.83.0.7 AS29243 Domainkeskus Oy 🇫🇮 Finland

📡 Known CIDRs#

1 CIDR
CIDRDomains
80.83.0.0/20 1

🧭 Nameservers in this AS#

4 hosts

📮 Mail Exchangers in this AS#

1 host
HostnameDomains
mailscan.mmd.net 1
dhd.dk [/] search Domains, Hosts & DNS — .dk zone