hjertestarterkursus.dk

📜 Historical scan 2026-06-22 16:06:58 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

hjertestarterkursus.dk is a .dk domain served by 3 nameservers (ns5.chosting.dk, ns6.chosting.dk, ns7.chosting.dk). It was registered on 24 January 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.20.216.128 is hosted by Atea A/S (AS21060) in Denmark. Mail is handled by hjertestarterkursus.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 87ms

Nameserver	IP addresses	PTR	ASN / ISP
ns5.chosting.dk	167.235.66.236 2a01:4f8:1c1e:d097::1	ns5.chosting.dk ns5.chosting.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns6.chosting.dk	2001:41d0:305:2100::80e9 51.91.57.33	ns6.chosting.dk ns6.chosting.dk	AS16276 OVH SAS AS16276 OVH SAS
ns7.chosting.dk	178.20.220.33	ns7.chosting.dk	AS21060 Atea A/S

🌍 A Records#

1 records 83ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.20.216.128	14400s	pro7.chosting.dk	AS21060	Atea A/S	178.20.216.0/23	🇩🇰 Denmark	—

📧 MX Records#

1 records 86ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	14400s	hjertestarterkursus.dk	178.20.216.128 2a01:7cc0:101:ffff::1:77	pro7.chosting.dk pro7.chosting.dk	AS21060 Atea A/S AS21060 Atea A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	178.20.216.128
🔶 Autoconfig	178.20.216.128

🔷 AAAA Records (IPv6)#

1 records 84ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:7cc0:101:ffff::1:77	14400s	pro7.chosting.dk	AS21060	Atea A/S	2a01:7cc0:100:0:0:0:0:0/40	🇩🇰 Denmark	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 163ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	cpanelemaildiscovery.cpanel.net

📝 TXT Records#

1 records 284ms

TXT Record
v=spf1 ip4:178.20.216.128 include:spf.chosting.dk ip4:178.20.216.7 ip4:178.20.216.100 +a +mx +ip4:185.31.79.126 ~all

✉️ SPF#

Policy	Record (hjertestarterkursus.dk)
~all (soft fail)	v=spf1 ip4:178.20.216.128 include:spf.chosting.dk ip4:178.20.216.7 ip4:178.20.216.100 +a +mx +ip4:185.31.79.126 ~all

📨 DMARC#

Policy	Record (_dmarc.hjertestarterkursus.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-10 09:59:59

www CNAME	hjertestarterkursus.dk (all on hjertestarterkursus.dk) → 178.20.216.128 2a01:7cc0:101:ffff::1:77 (AS21060)
www vs bare domain	Same network hjertestarterkursus.dk: 178.20.216.128 2a01:7cc0:101:ffff::1:77 (AS21060) www.hjertestarterkursus.dk: 178.20.216.128 2a01:7cc0:101:ffff::1:77 (AS21060)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	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: 5/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.hjertestarterkursus.dk	2A1-lXQBenknKjGWpkGOr5dFK22kCAf9hrljX_UkEDY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

174ms

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

🏷️ SOA#

84ms

Field	Value
Serial	2026052600
Primary NS (MNAME)	ns5.chosting.dk
Responsible (RNAME)	logs@chosting.dk
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-25 02:09:44

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2006-01-24
Expires	2029-01-31 (827d)

🔗 Same registrant#

28 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
abfu.dk	Punktum dk A/S (direct)
aed-skilt.dk	Punktum dk A/S (direct)
brand-og-sikkerhedsskilte.dk	Punktum dk A/S (direct)
branddukke.dk	DANDOMAIN A/S
branddukken.dk	DANDOMAIN A/S
branddukker.dk	DANDOMAIN A/S
brandinstruks.dk	Punktum dk A/S (direct)
brandkursus.dk	Punktum dk A/S (direct)
brandsimulering.dk	Punktum dk A/S (direct)
brandsimuleringsudstyr.dk	DANDOMAIN A/S
brandskilte.dk	Punktum dk A/S (direct)
brandtilsynet.dk	Simply.com A/S
evakueringsplan.dk	Punktum dk A/S (direct)
foerstehjaelpskurser.dk	Punktum dk A/S (direct)
foerstehjaelpsskilt.dk	Punktum dk A/S (direct)
foerstehjaelpstasker.dk	Punktum dk A/S (direct)
foerstehjaelpstesten.dk	Punktum dk A/S (direct)
forstehjaelpstasker.dk	DANDOMAIN A/S
førstehjælpstaske.dk	DANDOMAIN A/S
førstehjælpstasker.dk	DANDOMAIN A/S
haandildslukker.dk	Punktum dk A/S (direct)
hjertestarterskilt.dk	DANDOMAIN A/S
ildmand.dk	DANDOMAIN A/S
ildslukkerskilt.dk	Punktum dk A/S (direct)
redningsdukke.dk	DANDOMAIN A/S
redningsskilt.dk	DANDOMAIN A/S
redningsskilte.dk	Punktum dk A/S (direct)
serviceeftersynet.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

87ms

83ms

86ms

AAAA

84ms

TXT

284ms

CAA

82ms

HTTPS

85ms

TLSA

364ms

SOA

84ms

MTA-STS

72ms

DNSSEC

174ms

SRV

163ms

Total

1022ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-26 01:01:58	668ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-09 05:24:48	1313ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-27 06:31:54	869ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-11 10:35:46	8751ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-02 10:45:57	3171ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-22 16:06:58 shown	1022ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-22 14:55:04	919ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 13:08:00	2628ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-17 12:32:49	326ms	0 NS 0 A 0 MX	❓ Unknown