certifikatkursus.dk

📜 Historical scan 2026-06-16 20:10:55 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

certifikatkursus.dk is a .dk domain served by 2 nameservers (ns1.internet.dk, ns2.internet.dk). It was registered on 19 December 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.23.244.208 is hosted by Itm8 A/S (AS44398) in Denmark. Mail is handled by mailgate.internet.dk, mailgate2.internet.dk. 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 64ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.internet.dk	—	—	—
ns2.internet.dk	—	—	—

🌍 A Records#

1 records 63ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.23.244.208	—	vm-208.pub1.tdccloud.dk	AS44398	Itm8 A/S	178.23.240.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records#

2 records 62ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mailgate.internet.dk	78.46.238.136	ns1.internet.dk	AS24940 Hetzner Online GmbH
20	—	mailgate2.internet.dk	78.46.238.136	ns1.internet.dk	AS24940 Hetzner Online GmbH

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 248ms

TXT Record
v=spf1 +a +mx -all

✉️ SPF#

Policy	Record (certifikatkursus.dk)
-all (hard fail)	v=spf1 +a +mx -all

📨 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 2026-10-11 17:39:35

www CNAME	certifikatkursus.dk (all on certifikatkursus.dk) → 178.23.244.208 (AS44398)
www vs bare domain	Same network certifikatkursus.dk: 178.23.244.208 (AS44398) www.certifikatkursus.dk: 178.23.244.208 (AS44398)
Wildcard	No

🔎 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#

163ms

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

🏷️ SOA#

87ms

Field	Value
Serial	1277816411
Primary NS (MNAME)	ns1.internet.dk
Responsible (RNAME)	it@internet.dk
Refresh	7200s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-11 04:59:15

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2012-12-19
Expires	2026-12-31 (68d)

📋 WHOIS#

⏱️ Lookup Timing#

64ms

63ms

62ms

AAAA

63ms

TXT

248ms

CAA

88ms

HTTPS

61ms

TLSA

164ms

SOA

87ms

MTA-STS

89ms

DNSSEC

163ms

SRV

0ms

Total

659ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 04:57:40	2720ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-24 12:08:17	13695ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-25 11:33:08	2103ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-16 20:10:55 shown	659ms	2 NS 1 A 2 MX	🔓 Insecure