🌐 Reverse ASN Lookup

Find all domains hosted on this ASN

Every .dk domain whose website address (A record) is announced by AS11878, 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
778992026-07-012026-08-242026-10-18
8 latest0 over 110 days

Active .dk domains whose website address (A record) is announced by AS11878, counted once a day.

🌐 AS11878 at a glance#

tzulo, inc.

AS11878 is announced by tzulo, inc. (United States) and currently hosts 8 .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 6.1 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, 6 of the domains hosted here (75.0%) 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 AS11878#

via ipbot.dk

tzulo, inc. announces 229 prefixes (196 IPv4, 33 IPv6) and reaches the internet through 8 upstream networks.

UpstreamNamePower
AS6461Zayo Bandwidth
100.0%
AS6079RCN
83.1%
AS36236NetActuate, Inc
81.4%
AS3491PCCWG-APAC-HK - PCCW Global (HK) Ltd.
57.5%
AS6830Liberty Global Europe Holding B.V.
31.8%
AS32097WII - WholeSale Internet, Inc.
28.2%
AS46844Sharktech
23.5%
AS53745NORDKLETT-NET - Nordklett Inc.
9.2%

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

📡 Known CIDRs#

2 CIDRs

🧭 Nameservers in this AS#

1 host
HostnameDomains
ns2.enlime.se 1

📮 Mail Exchangers in this AS#

2 hosts
HostnameDomains
mail.igney.com 6
mail.feedball.dk 1
dhd.dk [/] search Domains, Hosts & DNS — .dk zone