heartmus.dk DNS records

🖥️ Nameservers2 records 39ms

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 Records1 records 54ms

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	Hvidovre

📧 MX Records1 records 60ms

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::7 2a01:111:f403:ca04::d 2a01:111:f403:ca09::b 52.101.68.16 52.101.68.32 52.101.68.36 52.101.73.2	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-as9pr07cu00302.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)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records2 records 77ms

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

📝 TXT Records7 records 199ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC114ms

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	2411318608
Primary NS (MNAME)	courtney.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

39ms

A

54ms

MX

60ms

AAAA

67ms

TXT

199ms

CAA

49ms

HTTPS

72ms

TLSA

420ms

SOA

0ms

MTA-STS

63ms

DNSSEC

114ms

SRV

77ms

Total

1201ms

🕐 Scan History

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