heartbeatsstudio.dk DNS records

🖥️ Nameservers2 records 53ms

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 52ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
188.208.36.98	3600s	188.208.36.98.static.hosted.by.combell-ops.net	AS34762	Combell NV	188.208.36.0/23	🇧🇪 Belgium	—

📧 MX Records1 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	heartbeatsstudio-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca09::20 2a01:111:f403:ca09::4 2a01:111:f403:ca09::d 52.101.68.27 52.101.73.12 52.101.73.28 52.101.73.6	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-am7pr05cu00204.inbound.protection.outlook.com mail-am6pr04cu00306.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)1 records 48ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a00:1c98:1000:1261:0:3:60db:721d	3600s	—	AS34762	Combell NV	2a00:1c98:0:0:0:0:0:0/32	🇧🇪 Belgium	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records4 records 211ms

TXT Record
google-site-verification=305lCMyM85K6oSuSJFZW5IQ_th-oq2-ODBNhYWuhYe4
google-site-verification=v3Hl6ZEny5kGxc3FTVkna8y-tnl78hZNdJLW7SHs_1M
MS=ms66963225
v=spf1 include:_spf36190.spf-protect.com include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (heartbeatsstudio.dk)
-all (hard fail)	v=spf1 include:_spf36190.spf-protect.com include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.heartbeatsstudio.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

🔗 TLSA / DANE

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

🔐 DNSSEC131ms

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

🏷️ SOA45ms

Field	Value
Serial	2026022700
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

53ms

A

52ms

MX

33ms

AAAA

48ms

TXT

211ms

CAA

46ms

HTTPS

61ms

TLSA

268ms

SOA

45ms

MTA-STS

80ms

DNSSEC

131ms

SRV

104ms

Total

876ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-26 05:23:47	876ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-23 15:37:37	1158ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-23 00:02:28	1875ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-22 10:44:49	1173ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 06:40:37	949ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 11:08:30	1242ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 10:53:25	1459ms	2 NS 1 A 1 MX	🔓 Insecure	View