jkr.dk is a .dk domain served by 2 nameservers (ns1.mkrdns.dk, ns2.swislock.dk). It was registered on 6 July 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by eu-esec-01.heimdalsecurity.com, eu-esec-02.heimdalsecurity.com. The zone is not DNSSEC-signed, has no 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.mkrdns.dk | 87.63.98.194 | ns1.mkrdns.dk | AS3292 TDC Holding A/S |
| ns2.swislock.dk | 2001:6c8:119::2 87.63.98.178 |
ns2.swislock.dk ns2.swislock.dk |
AS3292 TDC Holding A/S AS3292 TDC Holding A/S |
| TXT Record |
|---|
| v=spf1 ip4:87.63.98.192/26 include:spf-esec.heimdalsecurity.com -all |
| Policy | Record (jkr.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:87.63.98.192/26 include:spf-esec.heimdalsecurity.com -all |
| www CNAME | webserver1.mkr.dk (all on mkr.dk) → 87.63.98.199 (AS3292) |
| www vs bare domain | Only www resolves (all like this) |
| Wildcard | No |
DNS lookups: 1/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.eu-esec-01.heimdalsecurity.com | DANE-EE · SPKI · SHA-256 | 2E8933DD6DB99304A5A9D5C4ECDE7B8E… |
| SMTP _25._tcp.eu-esec-02.heimdalsecurity.com | DANE-EE · SPKI · SHA-256 | 2E8933DD6DB99304A5A9D5C4ECDE7B8E… |
| 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 | 2024032501 |
| Primary NS (MNAME) | ns1.mkrdns.dk |
| Responsible (RNAME) | mkr@mkr.dk |
| Refresh | 86400s |
| Retry | 600s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1998-07-06 |
| Expires | 2027-09-30 (347d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-27 10:59:20 shown | 794ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-08-27 08:06:32 | 9468ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-06-18 21:50:52 | 670ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-06-17 23:47:16 | 2666ms | 2 NS 0 A 2 MX | ⚠️ Bogus |