heartbeats.dk DNS records

🖥️ Nameservers2 records 58ms

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 Records1 records 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.86.18.195	300s	185.86.18.195.hosted.by.stone-is.net	AS34762	Combell NV	185.86.16.0/22	🇧🇪 Belgium	—

📧 MX Records1 records 31ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	heartbeats-dk.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca04::b 2a01:111:f403:ca09::1 2a01:111:f403:ca09::3 52.101.68.0 52.101.68.21 52.101.73.26 52.101.73.8	mail-db4pr02cu00307.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-as9pr05cu01302.inbound.protection.outlook.com mail-am0pr04cu00500.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 → 40.104.116.8
🔶 Autoconfig	heartbeats.dk → 185.86.18.195

🔷 AAAA Records (IPv6)1 records 46ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a00:1c98:1000:1234:0:3:603c:43a5	3600s	—	AS34762	Combell NV	2a00:1c98:0:0:0:0:0:0/32	🇧🇪 Belgium	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 81ms

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

📝 TXT Records10 records 286ms

TXT Record
adobe-idp-site-verification=1c2acb83811e6d9278bc655c7846093e807c83718aed78585392ceb49f2b67dd
anthropic-domain-verification-03dqdm=ix35lLyjvOfuaepZdCPoJ3eIL
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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.heartbeats.dk	heartbeats.dk
TXT	heartbeats.dk	anthropic-domain-verification-03dqdm=ix35lLyjvOfuaepZdCPoJ3eIL
TXT	heartbeats.dk	dropbox-domain-verification=94s3nuuj5p27
TXT	heartbeats.dk	google-gws-recovery-domain-verification=71670648
TXT	heartbeats.dk	miro-verification=9d7b21d50d0bbe82550f9aa8f32a842e71c5d693

🔗 TLSA / DANE

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

🔐 DNSSEC71ms

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

🏷️ SOA0ms

Field	Value
Serial	2026072900
Primary NS (MNAME)	a.portsdns.se
Responsible (RNAME)	registry@ports.net
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	28800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

58ms

A

41ms

MX

31ms

AAAA

46ms

TXT

286ms

CAA

53ms

HTTPS

57ms

TLSA

312ms

SOA

0ms

MTA-STS

115ms

DNSSEC

71ms

SRV

81ms

Total

1597ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-01 06:21:26	1597ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-02 11:33:18	1112ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 11:06:46	1795ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 11:04:25	1555ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 10:54:56	3679ms	2 NS 1 A 1 MX	🔓 Insecure	View