udbudshuset.dk is a .dk domain served by 2 nameservers (jakub.ns.cloudflare.com, june.ns.cloudflare.com). It was registered on 29 April 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.26.10.244 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 104.26.10.244 | 300s | — | AS13335 | Cloudflare, Inc. | 104.26.0.0/20 | — | — |
| 104.26.11.244 | 300s | — | AS13335 | Cloudflare, Inc. | 104.26.0.0/20 | — | — |
| 172.67.69.47 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.64.0/18 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:20::681a:af4 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:0:0:0:0:0:0/41 | — | — |
| 2606:4700:20::681a:bf4 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:0:0:0:0:0:0/41 | — | — |
| 2606:4700:20::ac43:452f | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:0:0:0:0:0:0/41 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h2" ipv4hint=104.26.10.244,104.26.11.244,172.67.69.47 ipv6hint=2606:4700:20::681a:af4,2606:4700:20::681a:bf4,2606:4700:20::ac43:452f |
| TXT Record |
|---|
| v=spf1 include:spf.mtasv.net include:_spf.createsend.com include:_spf.google.com ~all |
| Policy | Record (udbudshuset.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:spf.mtasv.net include:_spf.createsend.com include:_spf.google.com ~all |
| Policy | Record (_dmarc.udbudshuset.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:483fa978f960409398fbdbc7f8aeb20a@dmarc-reports.cloudflare.net |
| www | 104.26.10.244 104.26.11.244 172.67.69.47 2606:4700:20::681a:af4 2606:4700:20::681a:bf4 2606:4700:20::ac43:452f (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network udbudshuset.dk: 104.26.10.244 104.26.11.244 172.67.69.47 2606:4700:20::681a:af4 (AS13335) www.udbudshuset.dk: 104.26.10.244 104.26.11.244 172.67.69.47 2606:4700:20::681a:af4 (AS13335) |
| Wildcard | No |
DNS lookups: 3/10 · policy: ~all
No problems found| 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 | 2405856802 |
| Primary NS (MNAME) | jakub.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2019-04-29 |
| Expires | 2027-04-30 (191d) |
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 |
|---|---|
| localtuesday.dk | ONE.COM A/S |
| tirsdagsaften.dk | ONE.COM A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-03 08:24:48 | 919ms | 2 NS 3 A 5 MX | 🔓 Insecure |
| 2026-09-29 07:55:55 | 5386ms | 2 NS 3 A 5 MX | 🔓 Insecure |
| 2026-09-27 07:15:16 | 879ms | 2 NS 3 A 5 MX | 🔓 Insecure |
| 2026-09-10 12:44:57 | 3434ms | 2 NS 3 A 5 MX | 🔓 Insecure |
| 2026-08-15 19:51:37 | 1678ms | 2 NS 3 A 5 MX | 🔓 Insecure |
| 2026-08-02 03:48:01 | 2774ms | 2 NS 3 A 5 MX | 🔓 Insecure |
| 2026-07-01 02:48:47 | 1237ms | 2 NS 3 A 5 MX | 🔓 Insecure |
| 2026-06-23 05:01:55 shown | 2854ms | 2 NS 3 A 5 MX | 🔓 Insecure |
| 2026-06-22 13:21:24 | 1170ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 03:35:38 | 1084ms | 2 NS 3 A 5 MX | 🔓 Insecure |