holkenfeldt.dk

📜 Historical scan 2026-06-24 12:38:17 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

holkenfeldt.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 27 January 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 194.255.15.4 is hosted by Norlys Telco A/S (AS3308) in Denmark. Mail is handled by mx.spamfilter.io. The zone is DNSSEC-signed but currently fails validation, 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 197ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 200ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
194.255.15.4	86400s	4.0-27.15.255.194.in-addr.arpa www.dandomain.dk	AS3308	Norlys Telco A/S	194.255.0.0/16	🇩🇰 Denmark	Horsens

📧 MX Records#

1 records 291ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx.spamfilter.io	46.36.212.34 46.36.212.36 46.36.212.37 46.36.212.38 89.188.78.64 89.188.78.65 89.188.78.66 94.231.106.12	node4.spamfilter.io node8.spamfilter.io node6.spamfilter.io node7.spamfilter.io node3.spamfilter.io node9.spamfilter.io node10.spamfilter.io node2.spamfilter.io	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscoverredirect.webexchange.nu → 212.237.249.80

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 704ms

TXT Record
v=spf1 a include:spf.dandomain.dk ~all

✉️ SPF#

Policy	Record (holkenfeldt.dk)
~all (soft fail)	v=spf1 a include:spf.dandomain.dk ~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 2026-10-10 06:19:09

www	194.255.15.4 (AS3308) (address records, no CNAME)
www vs bare domain	Same network holkenfeldt.dk: 194.255.15.4 (AS3308) www.holkenfeldt.dk: 194.255.15.4 (AS3308)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

1 records 264ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.spamfilter.io	DANE-EE · SPKI · SHA-256	9A25F05F2E322DABDCC9B7A06AB47A2D…

🔐 DNSSEC#

467ms

Check	Result
Validation Status	⚠️ Bogus
AD Flag (resolver validates)	✗ Not set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	broken trust chain resolving 'holkenfeldt.dk/DS/IN': 127.0.0.1#53

🏷️ SOA#

232ms

Field	Value
Serial	2021090100
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-21 12:08:26

Field	Value
Registrar	DANDOMAIN A/S
Registered	2023-01-27
Expires	2027-01-26 (94d)

🔗 Same registrant#

3 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).

Domain	Registrar
appguiden.dk	DANDOMAIN A/S
firsttimes.dk	Punktum dk A/S (direct)
navnestof.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

197ms

200ms

291ms

AAAA

251ms

TXT

704ms

CAA

330ms

HTTPS

213ms

TLSA

264ms

SOA

232ms

MTA-STS

309ms

DNSSEC

467ms

SRV

366ms

Total

3120ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-27 00:02:43	522ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-01 12:47:59	546ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-22 20:06:15	16997ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-27 18:45:30	1242ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 10:59:27	1601ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 12:38:17 shown	3120ms	2 NS 1 A 1 MX	⚠️ Bogus
2026-06-23 23:02:51	1178ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 11:51:45	839ms	2 NS 1 A 1 MX	🔒 Secure