mentor-kursus.dk

📜 Historical scan 2026-10-03 02:51:16 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

mentor-kursus.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 8 October 2024 (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#

3 records 38ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark 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#

📝

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 2026-10-03 02:51:16

www	NXDOMAIN
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

104ms

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

🏷️ SOA#

35ms

Field	Value
Serial	2026100200
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-09 04:50:18

Field	Value
Registrar	Simply.com A/S
Registered	2024-10-08
Expires	2026-10-07 (expired)

📋 WHOIS#

⏱️ Lookup Timing#

38ms

32ms

36ms

AAAA

26ms

TXT

101ms

CAA

27ms

HTTPS

25ms

TLSA

17ms

SOA

35ms

MTA-STS

48ms

DNSSEC

104ms

SRV

44ms

Total

421ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-19 22:52:50	216ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-18 21:38:58	128ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-17 21:29:44	331ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-16 20:48:18	409ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-15 18:37:55	105ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-14 16:21:56	302ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-13 14:35:53	212ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-12 12:16:58	110ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-11 10:16:29	238ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-10 09:22:35	220ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-09 04:40:52	2715ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-03 02:51:16 shown	421ms	3 NS 0 A 0 MX	🔒 Secure
2026-10-01 02:31:31	401ms	3 NS 0 A 0 MX	🔒 Secure
2026-09-16 08:55:11	2287ms	3 NS 0 A 0 MX	🔒 Secure
2026-08-27 21:15:14	666ms	3 NS 0 A 0 MX	🔒 Secure
2026-06-18 08:16:37	449ms	3 NS 0 A 0 MX	🔒 Secure