blokhaven.dk is a .dk domain served by 2 nameservers (ns1.arrownet.dk, ns2.arrownet.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx.danskkabeltv.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.arrownet.dk | 62.61.130.2 | ns1.arrownet.dk | AS15516 DKTV A/S |
| ns2.arrownet.dk | 62.61.131.2 | ns2.arrownet.dk | AS15516 DKTV A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | GrandmaDuck.cirque.dk |
| 🔶 Autoconfig | GrandmaDuck.cirque.dk |
| TXT Record |
|---|
| v=spf1 include:_spf-customer.dk-tv.net |
| Policy | Record (blokhaven.dk) |
|---|---|
| no all — incomplete SPF | v=spf1 include:_spf-customer.dk-tv.net |
| Policy | Record (_dmarc.blokhaven.dk) |
|---|---|
| p=reject | v=DMARC1;p=reject;sp=reject;fo=1;ri=3600;pct=100;rua=mailto:report@dmarc.dk-tv.net;ruf=mailto:failure@dmarc.dk-tv.net |
| www CNAME | grandmaduck.cirque.dk (all on cirque.dk) ⚠ Dangling: the CNAME target does not exist. If that name can be claimed (an unregistered domain, or a free name on a hosting platform), whoever claims it controls www.blokhaven.dk |
| www vs bare domain | Neither resolves blokhaven.dk: no address www.blokhaven.dk: no address |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| dkim | — | RSA · ~1024 bit below 2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 3/10 · policy: none
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.blokhaven.dk | GrandmaDuck.cirque.dk |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2017032807 |
| Primary NS (MNAME) | ns.arrownet.dk |
| Responsible (RNAME) | hostmaster@danskkabeltv.dk |
| Refresh | 600s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-25 19:23:15 shown | 9501ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-01 20:49:43 | 625ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-07-03 05:20:40 | 892ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-28 05:20:38 | 1029ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-16 14:50:19 | 533ms | 2 NS 0 A 1 MX | 🔓 Insecure |