heartmus.dk

📜 Historical scan 2026-06-27 15:55:24 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

heartmus.dk is a .dk domain served by 2 nameservers (courtney.ns.cloudflare.com, gabriel.ns.cloudflare.com). It was registered on 19 February 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.215.86.157 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by heartmus-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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 55ms

Nameserver	IP addresses	PTR	ASN / ISP
courtney.ns.cloudflare.com	108.162.194.130 162.159.38.130 172.64.34.130 2606:4700:50::a29f:2682 2803:f800:50::6ca2:c282 2a06:98c1:50::ac40:2282	courtney.ns.cloudflare.com courtney.ns.cloudflare.com courtney.ns.cloudflare.com courtney.ns.cloudflare.com courtney.ns.cloudflare.com courtney.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
gabriel.ns.cloudflare.com	108.162.195.244 162.159.44.244 172.64.35.244 2606:4700:58::a29f:2cf4 2803:f800:50::6ca2:c3f4 2a06:98c1:50::ac40:23f4	gabriel.ns.cloudflare.com gabriel.ns.cloudflare.com gabriel.ns.cloudflare.com gabriel.ns.cloudflare.com gabriel.ns.cloudflare.com gabriel.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 52ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.215.86.157	3600s	—	AS3292	TDC Holding A/S	195.215.0.0/16	🇩🇰 Denmark	Brøndby Strand

📧 MX Records#

1 records 51ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	heartmus-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::a 2a01:111:f403:ca09::20 2a01:111:f403:ca09::3 52.101.68.16 52.101.68.21 52.101.68.39 52.101.73.19	mail-db4pr02cu00204.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db7pr03cu00607.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 → 40.104.116.8

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

2 records 78ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	5	443	mail.heartmus.dk
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

7 records 2184ms

TXT Record
_globalsign-domain-verification=u5r2YEzteyVNodwjYVM4izARbj-wcvPAR5UBgJcPSB
_globalsign-domain-verification=YROxyqo1OlPxCnT-NCmB_TpejOaipoL_4zuLqNdZPV
6qVqW+u5A9UnK0u+ghOU7yURD9C25oeXnB+8oJGJ6l5Tu8se7kfKS8ZgOwwZLDPzvSuDlSNJAYBW0GYMvZiVVA==
google-site-verification=WCAIShOJWXbhVrDzTPE8TZ_1cOKGvUF36N1J-A1a1vc
mandrill_verify.AxDRlns79OSorMPSGgI0ZQ
MS=ms29770593
v=spf1 mx ip4:62.243.130.122 ip4:194.150.112.0/24 include:_spf.presscloud.com include:_spf.staysecuregroup.com include:spf.protection.outlook.com include:spf.mandrillapp.com include:spf-de.emailsignatures365.com include:spf.jcdhotel.dk -all

✉️ SPF#

Policy	Record (heartmus.dk)
-all (hard fail)	v=spf1 mx ip4:62.243.130.122 ip4:194.150.112.0/24 include:_spf.presscloud.com include:_spf.staysecuregroup.com include:spf.protection.outlook.com include:spf.mandrillapp.com include:spf-de.emailsignatures365.com include:spf.jcdhotel.dk -all

📨 DMARC#

Policy	Record (_dmarc.heartmus.dk)
p=reject	v=DMARC1; p=reject; aspf=s; adkim=r; rua=mailto:info@heartmus.dk

📬 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 2026-10-09 01:12:22

www	195.215.86.157 (AS3292) (address records, no CNAME)
www vs bare domain	Same network heartmus.dk: 195.215.86.157 (AS3292) www.heartmus.dk: 195.215.86.157 (AS3292)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 10/10 · policy: -all

warn 10 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

68ms

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

🏷️ SOA#

32ms

Field	Value
Serial	2403773387
Primary NS (MNAME)	courtney.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-08 23:22:30

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2009-02-19
Expires	2027-02-28 (127d)

📋 WHOIS#

⏱️ Lookup Timing#

55ms

52ms

51ms

AAAA

55ms

TXT

2184ms

CAA

32ms

HTTPS

38ms

TLSA

265ms

SOA

32ms

MTA-STS

69ms

DNSSEC

68ms

SRV

78ms

Total

3139ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-05 22:25:42	2886ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-30 21:55:04	1309ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-24 02:35:57	1064ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-10 21:26:21	2108ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-26 11:02:18	1201ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-07 09:04:09	2674ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-24 20:31:05	18517ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-07 11:43:43	6562ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-03 07:14:04	1154ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-27 15:55:24 shown	3139ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-26 00:37:27	1075ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 11:10:42	1432ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 11:07:25	1565ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 10:57:23	2092ms	2 NS 1 A 1 MX	🔓 Insecure