selandiakurser.dk

📜 Historical scan 2026-08-18 04:32:57 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

selandiakurser.dk is a .dk domain served by 4 nameservers (ns1.dnscluster.dk, ns2.dnscluster.dk, ns3.dnscluster.dk and 1 more). It was registered on 22 October 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 213.184.84.10 is hosted by PerfGrid (AS59795) in The Netherlands. Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch and 2 more. 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#

4 records 237ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dnscluster.dk	2001:41d0:701:1100::7ec7 57.129.78.20	vps-1448e198.vps.ovh.net vps-1448e198.vps.ovh.net	AS16276 OVH SAS AS16276 OVH SAS
ns2.dnscluster.dk	212.95.58.14 2a00:c98:400f:104:1c00:a8ff:fe00:2ac	ns2.dnscluster.dk ns2.dnscluster.dk	AS28753 Leaseweb Deutschland GmbH AS28753 Leaseweb Deutschland GmbH
ns3.dnscluster.dk	213.184.84.70 2a09:3a00:4070::1	— —	AS59795 PerfGrid AS59795 PerfGrid
ns4.dnscluster.dk	2a06:a005:16d0:45::a 45.140.220.10	ns4.dnscluster.dk ns4.dnscluster.dk	AS142594 SpeedyPage Ltd AS142594 SpeedyPage Ltd

🌍 A Records#

1 records 247ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
213.184.84.10	60s	nlsh05.shared-infra.net	AS59795	PerfGrid	213.184.84.0/23	🇳🇱 The Netherlands	—

📧 MX Records#

4 records 279ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	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	3600s	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
30	3600s	pmg1.h4r.eu	2a01:4f8:c012:7e77::1 49.12.11.203	pmg1.h4r.eu filter02.h4r.eu	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
30	3600s	pmg2.h4r.eu	2001:41d0:701:1100::a6bc 57.129.66.76	filter04.h4r.eu filter04.h4r.eu	AS16276 OVH SAS AS16276 OVH SAS

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	213.184.84.10
🔶 Autoconfig	213.184.84.10

🔷 AAAA Records (IPv6)#

1 records 291ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a09:3a00:4010::1	60s	—	AS59795	PerfGrid	2a09:3a00:4000:0:0:0:0:0/40	🇳🇱 The Netherlands	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 1189ms

TXT Record
Acumbamail-domain-verification:e5c4a8ee-9634-11f1-81c7-0050568f17c2
protonmail-verification=317c0cd05cc4b6f72a7f70758f88a78b2ffddfd9
v=spf1 +a +mx +include:_spf.protonmail.ch spf-record.net ~all

✉️ SPF#

Policy	Record (selandiakurser.dk)
~all (soft fail)	v=spf1 +a +mx +include:_spf.protonmail.ch spf-record.net ~all

📨 DMARC#

Policy	Record (_dmarc.selandiakurser.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 2026-10-21 13:33:53

www	213.184.84.10 2a09:3a00:4010::1 (AS59795) (address records, no CNAME)
www vs bare domain	Same network selandiakurser.dk: 213.184.84.10 2a09:3a00:4010::1 (AS59795) www.selandiakurser.dk: 213.184.84.10 2a09:3a00:4010::1 (AS59795)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~1024 bit below 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: 4/10 · policy: ~all

error Unknown mechanism "spf-record.net": receivers treat the record as a permanent error

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.selandiakurser.dk	d5b3b6be-668b-48b5-80e5-37ff4821f2ff.auth.acme-challenge.dk

🔗 TLSA / DANE#

4 records 335ms

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	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…

🔐 DNSSEC#

390ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026081601
Primary NS (MNAME)	ns1.dnscluster.dk
Responsible (RNAME)	hostmaster@selandiakurser.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-14 15:59:26

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2024-10-22
Expires	2027-10-21 (362d)

🔗 Same registrant#

7 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
blivrig.dk	Punktum dk A/S (direct)
overlevelsesgrej.dk	Punktum dk A/S (direct)
perholm.dk	Punktum dk A/S (direct)
regnskabsanalyser.dk	Simply.com A/S
rykkergebyr.dk	Punktum dk A/S (direct)
selandiadigital.dk	PerfGrid
startditfirma.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

237ms

247ms

279ms

AAAA

291ms

TXT

1189ms

CAA

247ms

HTTPS

204ms

TLSA

335ms

SOA

0ms

MTA-STS

333ms

DNSSEC

390ms

SRV

639ms

Total

5321ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-21 13:33:53	1658ms	4 NS 1 A 4 MX	🔓 Insecure
2026-10-03 23:03:32	1565ms	4 NS 1 A 4 MX	🔓 Insecure
2026-09-26 23:59:11	3285ms	4 NS 1 A 4 MX	🔓 Insecure
2026-08-18 04:32:57 shown	5321ms	4 NS 1 A 4 MX	🔓 Insecure
2026-08-14 13:43:33	7356ms	4 NS 1 A 4 MX	🔓 Insecure
2026-06-26 05:56:32	1788ms	4 NS 1 A 4 MX	🔓 Insecure
2026-06-22 12:42:11	1311ms	4 NS 1 A 4 MX	🔓 Insecure
2026-06-19 23:50:35	1617ms	4 NS 1 A 4 MX	🔓 Insecure
2026-06-17 11:47:35	1396ms	4 NS 1 A 4 MX	🔓 Insecure