aluheatexchanger.dk

📜 Historical scan 2026-09-04 03:28:59 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

aluheatexchanger.dk is a .dk domain served by 2 nameservers (ns1.kortermann-hosting.dk, ns2.kortermann-hosting.dk). It was registered on 16 June 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.189.39.102 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by mail.aluheatexchanger.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.

🖥️ Nameservers#

2 records 29ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.kortermann-hosting.dk	94.231.105.180	vdom105.net.dk2.zitcom.dk	AS48854 team.blue Denmark A/S
ns2.kortermann-hosting.dk	94.231.105.146	—	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.189.39.102	3600s	—	AS3292	TDC Holding A/S	94.189.0.0/17	🇩🇰 Denmark	—

📧 MX Records#

1 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mail.aluheatexchanger.dk	—	—	—

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 126ms

TXT Record
v=spf1 +a +mx include:spf.securesmtp.dk -all

✉️ SPF#

Policy	Record (aluheatexchanger.dk)
-all (hard fail)	v=spf1 +a +mx include:spf.securesmtp.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 2026-10-13 12:11:44

www CNAME	aluheatexchanger.dk (all on aluheatexchanger.dk) → 94.189.39.102 (AS3292)
www vs bare domain	Same network aluheatexchanger.dk: 94.189.39.102 (AS3292) www.aluheatexchanger.dk: 94.189.39.102 (AS3292)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

73ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	78357
Primary NS (MNAME)	ns1.kortermann-hosting.dk
Responsible (RNAME)	hostmaster@kortermann-hosting.dk
Refresh	14400s
Retry	7200s
Expire	2419200s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-27 07:22:25

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2004-06-16
Expires	2027-06-30 (245d)

🔗 Same registrant#

1 domain

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
aluventa.dk	CURANET A/S

📋 WHOIS#

⏱️ Lookup Timing#

29ms

35ms

43ms

AAAA

37ms

TXT

126ms

CAA

50ms

HTTPS

49ms

TLSA

4027ms

SOA

0ms

MTA-STS

47ms

DNSSEC

73ms

SRV

55ms

Total

4711ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 00:50:44	4314ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-04 03:28:59 shown	4711ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-02 16:03:48	13799ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-23 13:51:08	2758ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-16 12:44:40	655ms	2 NS 1 A 1 MX	🔓 Insecure