mentorskole.dk

📜 Historical scan 2026-06-25 03:05:28 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

mentorskole.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 13 December 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 212.237.249.17 is hosted by team.blue Denmark A/S (AS48854) in Denmark. 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 120ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 119ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
212.237.249.17	3600s	splash.dandomain.dk	AS48854	team.blue Denmark A/S	212.237.248.0/23	🇩🇰 Denmark	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	212.237.249.17
🔶 Autoconfig	212.237.249.17

🔷 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 2026-10-13 08:04:07

www	212.237.249.17 (AS48854) (address records, no CNAME)
www vs bare domain	Same network mentorskole.dk: 212.237.249.17 (AS48854) www.mentorskole.dk: 212.237.249.17 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

580ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

110ms

Field	Value
Serial	2019121302
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-20 10:52:40

Field	Value
Registrar	WEB SOLUTIONS A/S
Registered	2019-12-13
Expires	2026-12-31 (70d)

🔗 Same registrant#

8 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
biologimentor.dk	WEB SOLUTIONS A/S
danskmentor.dk	WEB SOLUTIONS A/S
lektiehjælp.dk	WEB SOLUTIONS A/S
lektiehjælperen.dk	WEB SOLUTIONS A/S
lektiekonsulenterne.dk	WEB SOLUTIONS A/S
mentorawards.dk	WEB SOLUTIONS A/S
mentoronline.dk	WEB SOLUTIONS A/S
restudy.dk	WEB SOLUTIONS A/S

📋 WHOIS#

⏱️ Lookup Timing#

120ms

119ms

118ms

AAAA

121ms

TXT

647ms

CAA

327ms

HTTPS

349ms

TLSA

69ms

SOA

110ms

MTA-STS

332ms

DNSSEC

580ms

SRV

401ms

Total

1382ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-08-27 09:55:50	524ms	2 NS 1 A 0 MX	🔒 Secure
2026-06-25 03:05:28 shown	1382ms	2 NS 1 A 0 MX	🔒 Secure
2026-06-23 13:35:26	947ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 07:26:59	4276ms	2 NS 1 A 0 MX	🔒 Secure
2026-06-17 22:47:04	498ms	2 NS 1 A 0 MX	🔒 Secure