depcourses.dk

📜 Historical scan 2026-09-23 22:43:07 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

depcourses.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 3 September 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is DNSSEC-signed and validates, 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 49ms

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#

🌍

No A records found

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 149ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (depcourses.dk)
-all (hard fail)	v=spf1 -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 2026-09-29 23:02:47

www	NXDOMAIN
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

2068ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

0ms

Field	Value
Serial	2026090401
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 2026-10-03 00:03:36

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2020-09-03
Expires	2026-09-30 (expired)

📋 WHOIS#

⏱️ Lookup Timing#

49ms

42ms

AAAA

36ms

TXT

149ms

CAA

47ms

HTTPS

45ms

TLSA

27ms

SOA

0ms

MTA-STS

51ms

DNSSEC

2068ms

SRV

49ms

Total

2310ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-24 09:01:57	307ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-23 05:52:52	112ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-21 22:30:55	105ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-20 16:53:53	102ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-19 15:38:30	228ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-18 13:51:10	218ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-17 12:59:56	294ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-17 12:19:49	213ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-16 10:42:14	91ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-15 09:22:36	96ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-14 09:04:55	243ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-13 07:21:34	519ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-12 06:52:52	237ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-11 05:26:29	124ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-10 02:54:45	210ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-09 02:01:59	246ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-08 01:58:19	245ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-07 01:43:36	340ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-05 23:42:22	251ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-04 23:39:17	216ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-03 23:31:24	221ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-02 23:31:05	214ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-01 23:29:42	554ms	1 NS 0 A 0 MX	❓ Unknown
2026-09-29 23:02:47	343ms	2 NS 0 A 0 MX	🔒 Secure
2026-09-23 22:43:07 shown	2310ms	2 NS 0 A 0 MX	🔒 Secure