🌐 Reverse ASN Lookup

Find all domains hosted on this ASN

Every .dk domain whose website address (A record) is announced by AS25260, 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#

110 days
112332026-07-012026-08-242026-10-18
2 latest0 over 110 days

Active .dk domains whose website address (A record) is announced by AS25260, counted once a day.

🌐 AS25260 at a glance#

QualityHosting GmbH

AS25260 is announced by QualityHosting GmbH (Germany) and currently hosts 2 .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 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: 1 distinct nameserver and 2 distinct mail exchangers 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 AS25260#

via ipbot.dk

QualityHosting GmbH announces 11 prefixes (10 IPv4, 1 IPv6) and reaches the internet through 3 upstream networks.

UpstreamNamePower
AS13335CLOUDFLARENET - Cloudflare, Inc.
100.0%
AS1299TWELVE99 Arelion Sweden AB
85.5%
AS3320DTAG Deutsche Telekom AG
40.0%

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

Found 2 domains matching 25260
DomainIPASNISP / OrgCountry
portas.dk 81.20.84.231 AS25260 QualityHosting GmbH 🇩🇪 Germany
weatheronline.dk 81.20.94.100 +1 AS25260 QualityHosting GmbH 🇩🇪 Germany

📡 Known CIDRs#

1 CIDR
CIDRDomains
81.20.80.0/20 2

🧭 Nameservers in this AS#

1 host
HostnameDomains
ns1.iquer.net 9

📮 Mail Exchangers in this AS#

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