blackfredagstilbud.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 2 January 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 162.159.135.42 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by blackfredagstilbud.dk. The zone is of unknown DNSSEC status, 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 |
|---|---|---|---|---|---|---|---|
| 162.159.135.42 | 3600s | — | AS13335 | Cloudflare, Inc. | 162.159.128.0/19 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 43200s | blackfredagstilbud.dk | 162.159.135.42 | — | AS13335 Cloudflare, Inc. |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 162.159.135.42 |
| 🔶 Autoconfig | 162.159.135.42 |
| TXT Record |
|---|
| ca3-934467773150443ba559703d52a6aeef |
| ca3-b3bf47335865410faea91be80c232ab2 |
| www | 68.183.65.180 (AS14061) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.blackfredagstilbud.dk | blackfredagstilbud.dk.kinstavalidation.app |
| Check | Result |
|---|---|
| Validation Status | ❓ Unknown |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | broken trust chain resolving 'blackfredagstilbud.dk/DNSKEY/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2025120900 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2016-01-02 |
| Expires | 2027-01-31 (96d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 10:40:02 | 1064ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-03 09:54:47 | 586ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-01 01:14:53 | 771ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-29 23:08:51 | 432ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-23 20:34:23 | 545ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-18 15:45:37 | 542ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 02:44:31 | 604ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-14 06:13:41 | 778ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-07 00:36:52 shown | 17060ms | 3 NS 1 A 1 MX | ❓ Unknown |
| 2026-07-02 13:46:18 | 664ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-26 11:09:05 | 1000ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-19 15:48:35 | 598ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 14:45:39 | 434ms | 3 NS 1 A 1 MX | 🔓 Insecure |