heartbeats.dk

📜 Historical scan 2026-06-17 11:06:46  ·  ← 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   20ms

🌍 A Records#

1 records   62ms

📧 MX Records#

1 records   546ms

🔷 AAAA Records (IPv6)#

1 records   21ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
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   1110ms
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#

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

📨 DMARC#

PolicyRecord (_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
www185.86.18.195 2a00:1c98:1000:1234:0:3:603c:43a5 (AS34762) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves

✍️ DKIM keys#

1 found
SelectorCNAMEKey
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#

196ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

15ms
FieldValue
Serial2026052700
Primary NS (MNAME)a.portsdns.se
Responsible (RNAME)registry@ports.net
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)28800s

📋 Registration#

WHOIS fetched 2026-10-11 17:56:34
FieldValue
RegistrarAbion AB
Registered2013-12-20
Expires2026-12-31 (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).

DomainRegistrar
heartbeatsstudio.dkAbion AB
📋 WHOIS#

⏱️ Lookup Timing#

NS
20ms
A
62ms
MX
546ms
AAAA
21ms
TXT
1110ms
CAA
24ms
HTTPS
32ms
TLSA
183ms
SOA
15ms
MTA-STS
21ms
DNSSEC
196ms
SRV
0ms
Total
1795ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
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 shown 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 3679ms 2 NS 1 A 1 MX 🔓 Insecure
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