twinheat.dk

📜 Historical scan 2026-06-27 00:27:35 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

twinheat.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 15 February 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 89.188.76.191 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by twinheat-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a 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 38ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 26ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
89.188.76.191	600s	vps293.basicserver.io	AS48854	team.blue Denmark A/S	89.188.72.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	twinheat-dk.mail.protection.outlook.com	2a01:111:f403:ca04::f 2a01:111:f403:ca09::1 2a01:111:f403:ca09::9 2a01:111:f403:ca09::f 52.101.68.16 52.101.73.1 52.101.73.12 52.101.73.26	mail-db7pr03cu00507.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-as9pr05cu01302.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.40
🔶 Autoconfig	92.43.176.61

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 33ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 141ms

TXT Record
MS=ms65727926
v=spf1 include:_spf54680.spf-protect.dk -all

✉️ SPF#

Policy	Record (twinheat.dk)
-all (hard fail)	v=spf1 include:_spf54680.spf-protect.dk -all

📨 DMARC#

Policy	Record (_dmarc.twinheat.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:6675668c0245b@dmarc-dk.centerasecurity.com;

📬 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 2026-10-08 14:48:42

www	89.188.76.191 (AS48854) (address records, no CNAME)
www vs bare domain	Same network twinheat.dk: 89.188.76.191 (AS48854) www.twinheat.dk: 89.188.76.191 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-twinheat-dk._domainkey.twinheat.onmicrosoft.com	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

52ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

41ms

Field	Value
Serial	2024092501
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-16 19:26:40

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2000-02-15
Expires	2027-03-31 (156d)

🔗 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
cleanhandle.dk	Punktum dk A/S (direct)
smart-sanitet.dk	Punktum dk A/S (direct)
smartsanitet.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

38ms

26ms

32ms

AAAA

30ms

TXT

141ms

CAA

38ms

HTTPS

31ms

TLSA

210ms

SOA

41ms

MTA-STS

34ms

DNSSEC

52ms

SRV

33ms

Total

773ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-09 01:54:40	849ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-28 07:53:55	1149ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-27 00:27:35 shown	773ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-27 00:16:55	2748ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 06:11:55	758ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 04:42:49	2590ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 06:07:20	1228ms	2 NS 1 A 1 MX	🔒 Secure