heartbeatsstudio.dk

📜 Historical scan 2026-06-20 06:40:37 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

heartbeatsstudio.dk is a .dk domain served by 2 nameservers (a.portsdns.se, b.portsdns.net). It was registered on 18 November 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 188.208.36.98 is hosted by Combell NV (AS34762) in Belgium. Mail is handled by heartbeatsstudio-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 60ms

Nameserver	IP addresses	PTR	ASN / ISP
a.portsdns.se	2607:f740:e009::1 45.54.35.101	a.portsdns.se a.portsdns.se	AS63911 NetActuate, Inc AS63911 NetActuate, Inc
b.portsdns.net	2a00:11c0:3d::1 94.16.23.1	b.portsdns.net b.portsdns.net	AS42354 Anexia Cloud Solutions GmbH AS42354 Anexia Cloud Solutions GmbH

🌍 A Records#

1 records 68ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
188.208.36.98	3600s	188.208.36.98.static.hosted.by.combell-ops.net	AS34762	Combell NV	188.208.36.0/23	🇧🇪 Belgium	—

📧 MX Records#

1 records 59ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	heartbeatsstudio-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::7 2a01:111:f403:ca09::d 2a01:111:f403:ca09::e 52.101.68.18 52.101.73.12 52.101.73.153 52.101.73.19	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-as8pr04cu00803.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 → 40.104.116.24

🔷 AAAA Records (IPv6)#

1 records 150ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a00:1c98:1000:1261:0:3:60db:721d	3600s	—	AS34762	Combell NV	2a00:1c98:0:0:0:0:0:0/32	🇧🇪 Belgium	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

4 records 328ms

TXT Record
google-site-verification=305lCMyM85K6oSuSJFZW5IQ_th-oq2-ODBNhYWuhYe4
google-site-verification=v3Hl6ZEny5kGxc3FTVkna8y-tnl78hZNdJLW7SHs_1M
MS=ms66963225
v=spf1 include:_spf36190.spf-protect.com include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (heartbeatsstudio.dk)
-all (hard fail)	v=spf1 include:_spf36190.spf-protect.com include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.heartbeatsstudio.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:65250275ea9c3@dmarc.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 2026-10-10 12:09:58

www CNAME	heartbeatsstudio.dk (all on heartbeatsstudio.dk) → 188.208.36.98 2a00:1c98:1000:1261:0:3:60db:721d (AS34762)
www vs bare domain	Same network heartbeatsstudio.dk: 188.208.36.98 2a00:1c98:1000:1261:0:3:60db:721d (AS34762) www.heartbeatsstudio.dk: 188.208.36.98 2a00:1c98:1000:1261:0:3:60db:721d (AS34762)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-heartbeatsstudio-dk._domainkey.allerholding.onmicrosoft.com	RSA · ~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: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

311ms

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

🏷️ SOA#

58ms

Field	Value
Serial	2026022700
Primary NS (MNAME)	a.portsdns.se
Responsible (RNAME)	registry@ports.net
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	28800s

📋 Registration#

WHOIS fetched 2026-10-14 21:06:26

Field	Value
Registrar	Abion AB
Registered	2021-11-18
Expires	2026-11-17 (30d)

🔗 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
heartbeats.dk	Abion AB

📋 WHOIS#

⏱️ Lookup Timing#

60ms

68ms

59ms

AAAA

150ms

TXT

328ms

CAA

285ms

HTTPS

245ms

TLSA

244ms

SOA

58ms

MTA-STS

59ms

DNSSEC

311ms

SRV

226ms

Total

949ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-25 20:41:50	892ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-26 05:23:47	876ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-23 15:37:37	1158ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-23 00:02:28	1875ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-22 10:44:49	1173ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 06:40:37 shown	949ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 11:08:30	1242ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 10:53:25	1459ms	2 NS 1 A 1 MX	🔓 Insecure