csr-kurser.dk

📜 Historical scan 2026-06-25 01:56:58 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

csr-kurser.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 10 August 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.211.38 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by .. The zone is not DNSSEC-signed, has no 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#

2 records 62ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.211.38	600s	domain-parking.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-09-30 22:08:57

www	Address record (no CNAME)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

54ms

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

🏷️ SOA#

36ms

Field	Value
Serial	2026053101
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-15 16:30:41

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2021-08-10
Expires	2027-08-31 (318d)

🔗 Same registrant#

52 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
aa-n.dk	Punktum dk A/S (direct)
andelsboligregnskab.dk	Punktum dk A/S (direct)
ap.dk	Punktum dk A/S (direct)
be1erholm.dk	Punktum dk A/S (direct)
beierho1m.dk	Punktum dk A/S (direct)
beierholm-fokus.dk	Punktum dk A/S (direct)
beierholm-revisorelev.dk	Punktum dk A/S (direct)
beierholm.dk	Punktum dk A/S (direct)
beierholmit.dk	Punktum dk A/S (direct)
bejour.dk	Punktum dk A/S (direct)
belerholm.dk	Punktum dk A/S (direct)
bhsrevision.dk	Punktum dk A/S (direct)
bijour.dk	Punktum dk A/S (direct)
bogholderpro.dk	Punktum dk A/S (direct)
bservice.dk	Punktum dk A/S (direct)
chr-knudsen.dk	Punktum dk A/S (direct)
dan-rev.dk	Punktum dk A/S (direct)
denrigtigeprofil.dk	Punktum dk A/S (direct)
esg-kurser.dk	Punktum dk A/S (direct)
esgtechpartner.dk	Punktum dk A/S (direct)
focusarkiv.dk	Punktum dk A/S (direct)
focusbenchmark.dk	Punktum dk A/S (direct)
focuskpi.dk	Punktum dk A/S (direct)
focuskørsel.dk	Punktum dk A/S (direct)
focusnøgletal.dk	Punktum dk A/S (direct)
fokusbeskeder.dk	Punktum dk A/S (direct)
fokusbilag.dk	Punktum dk A/S (direct)
fokuserp.dk	Punktum dk A/S (direct)
formueportalen.dk	Punktum dk A/S (direct)
hb-revision.dk	Punktum dk A/S (direct)
hlb.dk	Punktum dk A/S (direct)
hlbonline.dk	Punktum dk A/S (direct)
hlbskat.dk	Punktum dk A/S (direct)
ignitesustainability.dk	Punktum dk A/S (direct)
investeringsråd.dk	Punktum dk A/S (direct)
mbrevision.dk	Punktum dk A/S (direct)
moller-madsen.dk	Punktum dk A/S (direct)
mortensen-og-beierholm.dk	Punktum dk A/S (direct)
revi-partner.dk	Punktum dk A/S (direct)
revipartner.dk	Punktum dk A/S (direct)
revipoint.dk	Punktum dk A/S (direct)
rir.dk	Punktum dk A/S (direct)
sb-solutions.dk	Punktum dk A/S (direct)
sbsolutions.dk	Punktum dk A/S (direct)
sustainablebusinesssolutions.dk	Punktum dk A/S (direct)
uvildig.dk	Punktum dk A/S (direct)
vaekstkompas.dk	Punktum dk A/S (direct)
vaekstnavigator.dk	Punktum dk A/S (direct)
vestjyske-revision.dk	Punktum dk A/S (direct)
vestjyskrevision.dk	Punktum dk A/S (direct)
viskaberbalance.dk	Punktum dk A/S (direct)
økonomitest.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

62ms

37ms

50ms

AAAA

36ms

TXT

221ms

CAA

34ms

HTTPS

26ms

TLSA

47ms

SOA

36ms

MTA-STS

25ms

DNSSEC

54ms

SRV

84ms

Total

564ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 22:08:57	682ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-23 12:56:20	448ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-04 15:57:24	414ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-12 05:34:41	4563ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-25 01:56:58 shown	564ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-23 22:44:59	1177ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-19 18:07:12	451ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-16 23:06:29	385ms	2 NS 1 A 0 MX	🔓 Insecure