headz-up.dk is a .dk domain served by 5 nameservers (ns1.gigahost.dk, ns2.gigahost.dk, ns3.gigahost.dk and 2 more). It was registered on 7 February 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.109.209 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx1.gigahost.dk, mx2.gigahost.dk and 1 more. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 94.231.109.209 | 3600s | vm0922.enterprisecloud.nu | AS48854 | team.blue Denmark A/S | 94.231.96.0/20 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx1.gigahost.dk | 46.183.139.11 | mx1.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | 3600s | mx2.gigahost.dk | 46.183.139.12 | mx2.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | 3600s | mx3.gigahost.dk | 46.183.139.13 | mx3.gigahost.dk | AS47292 Sentia Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | headz-up.dk → 94.231.109.209 |
| 🔶 Autoconfig | headz-up.dk → 94.231.109.209 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | autodiscover.gigahost.dk |
| www CNAME | headz-up.dk (all on headz-up.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.headz-up.dk | headz-up.dk |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026092401 |
| Primary NS (MNAME) | ns1.gigahost.dk |
| Responsible (RNAME) | hostmaster@headz-up.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2014-02-07 |
| Expires | 2027-02-28 (133d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Domain | Registrar |
|---|---|
| kooly.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-17 10:19:42 | 1627ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-08 05:53:42 | 1152ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-01 03:46:32 | 793ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-28 03:04:09 shown | 798ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-24 17:24:39 | 759ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-17 13:23:40 | 875ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-12 12:21:32 | 709ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-05 15:57:46 | 1037ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-27 22:42:27 | 814ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-20 19:30:25 | 3011ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-13 23:16:00 | 1215ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-06 10:26:19 | 11034ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-01 21:49:26 | 2723ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-23 12:50:57 | 9377ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-16 12:41:21 | 1368ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-09 19:10:12 | 1183ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-03 10:09:34 | 1806ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-25 22:17:04 | 1288ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-24 05:24:38 | 1285ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-24 00:00:23 | 1003ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 18:26:17 | 695ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-17 11:02:51 | 883ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-17 10:58:03 | 2051ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-17 10:55:46 | 650ms | 5 NS 1 A 3 MX | 🔓 Insecure |