heartworkers.dk

📜 Historical scan 2026-06-17 10:54:58 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

heartworkers.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 10 August 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.103.90 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. 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#

4 records 38ms

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
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 75ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.90	—	linux85.unoeuro.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

5 records 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	—	aspmx.l.google.com	2a00:1450:4010:c20::1b 74.125.131.26	yulppbn-in-f27.1e100.net lu-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	—	alt1.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1b	so-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	—	alt2.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1a	so-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	—	alt3.aspmx.l.google.com	192.178.230.27 2a00:1450:4025:c01::1a	yunrtab-in-f27.1e100.net rd-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	—	alt4.aspmx.l.google.com	172.253.152.26 2a00:1450:4010:c22::1a	yulpptr-in-f26.1e100.net yulpptr-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 130ms

TXT Record
google-site-verification=G2fTVIGYlm0Edt7iJSeYafC0HM911ILFUA1YxxeDr_U
v=spf1 include:_spf.google.com include:spf.simply.com ~all

✉️ SPF#

Policy	Record (heartworkers.dk)
~all (soft fail)	v=spf1 include:_spf.google.com include:spf.simply.com ~all

📨 DMARC#

Policy	Record (_dmarc.heartworkers.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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-27 15:40:31

www CNAME	9a4b98fb2cbe9835.vercel-dns-016.com (all on vercel-dns-016.com) → 216.150.1.129 216.150.16.129 (AS16509)
www vs bare domain	Same network heartworkers.dk: 216.150.1.1 216.150.16.1 (AS16509) www.heartworkers.dk: 216.150.1.129 216.150.16.129 (AS16509)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

95ms

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

🏷️ SOA#

48ms

Field	Value
Serial	2026021100
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 2026-10-27 16:22:46

Field	Value
Registrar	Simply.com A/S
Registered	2016-08-10
Expires	2027-08-31 (307d)

🔗 Same registrant#

4 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
honningboersen.dk	Simply.com A/S
honningborsen.dk	Simply.com A/S
nordenshaveservice.dk	Simply.com A/S
zenway.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

38ms

75ms

30ms

AAAA

107ms

TXT

130ms

CAA

115ms

HTTPS

113ms

TLSA

101ms

SOA

48ms

MTA-STS

72ms

DNSSEC

95ms

SRV

0ms

Total

1121ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-27 15:40:30	1638ms	4 NS 2 A 5 MX	🔒 Secure
2026-10-09 04:05:45	690ms	4 NS 2 A 5 MX	🔒 Secure
2026-10-01 03:29:31	908ms	4 NS 2 A 5 MX	🔒 Secure
2026-09-18 12:15:47	2170ms	4 NS 2 A 5 MX	🔒 Secure
2026-07-22 23:47:18	25075ms	4 NS 1 A 5 MX	🔒 Secure
2026-06-27 06:14:08	2086ms	4 NS 1 A 5 MX	🔒 Secure
2026-06-27 02:07:56	1847ms	4 NS 1 A 5 MX	🔒 Secure
2026-06-17 11:08:41	802ms	4 NS 1 A 5 MX	🔒 Secure
2026-06-17 11:00:05	1849ms	4 NS 1 A 5 MX	🔒 Secure
2026-06-17 10:54:58 shown	1121ms	4 NS 1 A 5 MX	🔒 Secure