holidayhouse.dk is a .dk domain served by 2 nameservers (ns1.mkrdns.dk, ns2.swislock.dk). It was registered on 19 January 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by remote.mkr.dk. 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | remote.mkr.dk | 87.63.98.193 87.63.98.193 |
193.192-254.98.63.87.in-addr.arpa remote.mkr.dk |
AS3292 TDC Holding A/S AS3292 TDC Holding A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.mkr.dk → 40.104.116.56 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 100 | 443 | remote.mkr.dk |
| _sipfederationtls._tcp | 1 | 100 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| v=spf1 include:autotask.net ~all |
| v=spf1 include:spf.hes.trendmicro.com ~all |
| v=spf1 include:spf.protection.outlook.com ~all |
| v=spf1 ip4:87.63.98.192/26 ~all |
| Policy | Record (holidayhouse.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:autotask.net ~all |
| ~all (soft fail) | v=spf1 include:spf.hes.trendmicro.com ~all |
| ~all (soft fail) | v=spf1 include:spf.protection.outlook.com ~all |
| ~all (soft fail) | v=spf1 ip4:87.63.98.192/26 ~all |
DNS lookups: 1/10 · policy: ~all
| 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 | 2017011902 |
| Primary NS (MNAME) | ns1.mkrdns.dk |
| Responsible (RNAME) | admin@mkrdns.dk |
| Refresh | 86400s |
| Retry | 600s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2001-01-19 |
| Expires | 2027-03-31 (155d) |
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 |
|---|---|
| ibonet.dk | ONE.COM A/S |
| mkrdns.dk | Punktum dk A/S (direct) |
| mkrnet.dk | Punktum dk A/S (direct) |
| webdirector2.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-21 21:20:59 | 4741ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-30 09:09:51 | 3392ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-24 10:36:03 | 4173ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-03 03:15:41 | 4297ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-27 02:16:58 | 11693ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-23 17:09:55 | 7712ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-22 15:15:56 | 5086ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-21 15:09:15 | 10754ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-20 15:04:44 | 12679ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-19 11:32:34 | 3346ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-24 12:06:06 | 953ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-21 02:36:39 shown | 2072ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-19 23:26:07 | 8066ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-17 13:01:26 | 2969ms | 2 NS 0 A 1 MX | 🔓 Insecure |