heartbeats.dk

📜 Historical scan 2026-06-17 10:54:56 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

heartbeats.dk is a .dk domain served by 2 nameservers (a.portsdns.se, b.portsdns.net). It was registered on 20 December 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.86.18.195 is hosted by Combell NV (AS34762) in Belgium. Mail is handled by heartbeats-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 300ms

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 299ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.86.18.195	—	185.86.18.195.hosted.by.stone-is.net	AS34762	Combell NV	185.86.16.0/22	🇧🇪 Belgium	—

📧 MX Records#

1 records 294ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	heartbeats-dk.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca04::a 2a01:111:f403:ca04::f 2a01:111:f403:ca09::2 52.101.68.3 52.101.73.24 52.101.73.28 52.101.73.4	mail-db4pr02cu00307.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com mail-am7pr05cu00204.inbound.protection.outlook.com mail-am0pr83cu00404.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

🔷 AAAA Records (IPv6)#

1 records 299ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a00:1c98:1000:1234:0:3:603c:43a5	—	—	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#

9 records 204ms

TXT Record
adobe-idp-site-verification=1c2acb83811e6d9278bc655c7846093e807c83718aed78585392ceb49f2b67dd
dropbox-domain-verification=94s3nuuj5p27
google-gws-recovery-domain-verification=71670648
google-site-verification=1aneNxild1FDg6bFuSNp9l9G9ZcBsHYor8CVKwwXt38
google-site-verification=S3DeUjnlQzPKbGIcXHlZGe9tI5ipYR2TDSdWdiCM45E
miro-verification=9d7b21d50d0bbe82550f9aa8f32a842e71c5d693
monday-com-verification=iRGvFuf5bUQvUuy9ST7Ir-fwytzJ6gwLxtcnaaD0G1U
MS=ms33866525
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.heartbeats.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 2026-10-08 07:37:10

www	185.86.18.195 2a00:1c98:1000:1234:0:3:603c:43a5 (AS34762) (address records, no CNAME)
www vs bare domain	Same network heartbeats.dk: 185.86.18.195 2a00:1c98:1000:1234:0:3:603c:43a5 (AS34762) www.heartbeats.dk: 185.86.18.195 2a00:1c98:1000:1234:0:3:603c:43a5 (AS34762)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-heartbeats-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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

395ms

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

🏷️ SOA#

537ms

Field	Value
Serial	2026052700
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 2026-10-11 17:56:34

Field	Value
Registrar	Abion AB
Registered	2013-12-20
Expires	2026-12-31 (73d)

🔗 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
heartbeatsstudio.dk	Abion AB

📋 WHOIS#

⏱️ Lookup Timing#

300ms

299ms

294ms

AAAA

299ms

TXT

204ms

CAA

297ms

HTTPS

302ms

TLSA

2186ms

SOA

537ms

MTA-STS

106ms

DNSSEC

395ms

SRV

0ms

Total

3679ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 07:37:10	2260ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-29 16:05:13	1383ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-27 07:53:44	9923ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-24 20:13:39	1014ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-21 05:53:59	10428ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-01 06:21:26	1597ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-02 11:33:18	1112ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 11:06:46	1795ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 11:04:25	1555ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 10:54:56 shown	3679ms	2 NS 1 A 1 MX	🔓 Insecure