jkr.dk

📜 Historical scan 2026-06-18 21:50:52 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 55ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.mkrdns.dk	87.63.98.194	194.192-254.98.63.87.in-addr.arpa	AS3292 TDC Holding A/S
ns2.swislock.dk	2001:6c8:119::2 87.63.98.178	ns2.swislock.dk 178.176-191.98.63.87.in-addr.arpa	AS3292 TDC Holding A/S AS3292 TDC Holding A/S

🌍 A Records#

🌍

No A records found

📧 MX Records#

2 records 55ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	eu-esec-01.heimdalsecurity.com	20.50.183.144 20.50.183.146	eu-esec-01.heimdalsecurity.com eu-esec-01.heimdalsecurity.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
10	600s	eu-esec-02.heimdalsecurity.com	20.50.183.144 20.50.183.146	eu-esec-01.heimdalsecurity.com eu-esec-01.heimdalsecurity.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 232ms

TXT Record
v=spf1 ip4:87.63.98.192/26 include:spf-esec.heimdalsecurity.com -all

✉️ SPF#

Policy	Record (jkr.dk)
-all (hard fail)	v=spf1 ip4:87.63.98.192/26 include:spf-esec.heimdalsecurity.com -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-14 02:03:32

www CNAME	webserver1.mkr.dk (all on mkr.dk) → 87.63.98.199 (AS3292)
www vs bare domain	Only www resolves jkr.dk: no address www.jkr.dk: 87.63.98.199 (AS3292) (all like this)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

2 records 51ms

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…

🔐 DNSSEC#

92ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

47ms

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

📋 Registration#

WHOIS fetched 2026-10-11 13:55:04

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1998-07-06
Expires	2027-09-30 (347d)

🔗 Same registrant#

0 domains

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

📋 WHOIS#

⏱️ Lookup Timing#

55ms

109ms

55ms

AAAA

54ms

TXT

232ms

CAA

91ms

HTTPS

78ms

TLSA

51ms

SOA

47ms

MTA-STS

37ms

DNSSEC

92ms

SRV

144ms

Total

670ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-27 10:59:20	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 shown	670ms	2 NS 0 A 2 MX	🔓 Insecure
2026-06-17 23:47:16	2666ms	2 NS 0 A 2 MX	⚠️ Bogus