heartbeatpages.dk

📜 Historical scan 2026-06-26 23:36:07 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

heartbeatpages.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 26 September 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.106.189 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. The zone is DNSSEC-signed and validates, 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#

3 records 40ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.106.189	3600s	linux45.unoeuro.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

2 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	mail.protonmail.ch	176.119.200.128 185.205.70.128 185.70.42.128	mail.protonmail.ch mail.protonmail.ch mail.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG
20	600s	mailsec.protonmail.ch	176.119.200.129 185.205.70.129 185.70.42.129	mailsec.protonmail.ch mailsec.protonmail.ch mailsec.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	94.231.106.189
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 49ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records#

2 records 120ms

TXT Record
protonmail-verification=39f2ef15bce0b9abe98d5461f7e21b90c1920704
v=spf1 include:_spf.protonmail.ch ~all

✉️ SPF#

Policy	Record (heartbeatpages.dk)
~all (soft fail)	v=spf1 include:_spf.protonmail.ch ~all

📨 DMARC#

Policy	Record (_dmarc.heartbeatpages.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

4 records 48ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…

🔐 DNSSEC#

129ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

45ms

Field	Value
Serial	2025112905
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-09-30 14:13:31

Field	Value
Registrar	Simply.com A/S
Registered	2025-09-26
Expires	2026-09-25 (expired)

📋 WHOIS#

⏱️ Lookup Timing#

40ms

43ms

41ms

AAAA

38ms

TXT

120ms

CAA

44ms

HTTPS

44ms

TLSA

48ms

SOA

45ms

MTA-STS

51ms

DNSSEC

129ms

SRV

49ms

Total

622ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-27 17:19:08	407ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-26 13:00:09	651ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-23 20:05:19	170ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-22 05:57:16	226ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-21 04:06:03	303ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-20 00:18:50	319ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-18 23:04:39	144ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-17 22:58:50	133ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-16 22:27:18	215ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-15 21:15:07	199ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-14 18:47:24	237ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-13 17:29:30	218ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-12 12:40:29	219ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-11 11:06:31	93ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-10 10:51:25	103ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-08 15:01:53	231ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-07 14:56:04	290ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-06 14:41:37	728ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-05 14:15:28	114ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-04 14:14:18	563ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-03 14:06:24	123ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-02 14:05:38	123ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-01 14:04:18	273ms	1 NS 0 A 0 MX	❓ Unknown
2026-09-30 14:01:31	776ms	1 NS 0 A 0 MX	❓ Unknown
2026-09-27 15:17:32	1267ms	3 NS 0 A 0 MX	⚠️ Bogus