mentoronline.dk

Records from scan: 2026-08-27 03:41:38 · 489ms total · last checked 2026-10-21 20:43 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

mentoronline.dk is a .dk domain served by 4 nameservers (ns1-09.azure-dns.com, ns2-09.azure-dns.net, ns3-09.azure-dns.org and 1 more). It was registered on 25 August 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 45ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1-09.azure-dns.com	13.107.236.9 2603:1061:0:700::9	ns1-09.azure-dns.com ns1-09.azure-dns.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns2-09.azure-dns.net	150.171.21.9 2620:1ec:8ec:700::9	ns2-09.azure-dns.net ns2-09.azure-dns.net	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns3-09.azure-dns.org	204.14.183.9 2a01:111:4000:700::9	ns3-09.azure-dns.org ns3-09.azure-dns.org	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns4-09.azure-dns.info	208.84.5.9 2620:1ec:bda:700::9	ns4-09.azure-dns.info ns4-09.azure-dns.info	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🌍 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 203ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (mentoronline.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.mentoronline.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:62de94a87c3dc@dmarc.centerasecurity.com;

📬 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#

checked 2026-10-19 00:00:43

www	Exists, no address
www vs bare domain	Neither resolves mentoronline.dk: no address www.mentoronline.dk: no address
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
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#

81ms

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	1
Primary NS (MNAME)	ns1-09.azure-dns.com
Responsible (RNAME)	azuredns-hostmaster@microsoft.com
Refresh	3600s
Retry	300s
Expire	2419200s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-20 17:40:12

Field	Value
Registrar	WEB SOLUTIONS A/S
Registered	2014-08-25
Expires	2027-08-31 (313d)

🔗 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
mentorskole.dk	WEB SOLUTIONS A/S
restudy.dk	WEB SOLUTIONS A/S

📋 WHOIS#

⏱️ Lookup Timing#

45ms

56ms

38ms

AAAA

41ms

TXT

203ms

CAA

49ms

HTTPS

63ms

TLSA

44ms

SOA

0ms

MTA-STS

65ms

DNSSEC

81ms

SRV

74ms

Total

489ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-08-27 03:41:38 shown	489ms	4 NS 0 A 0 MX	🔒 Secure
2026-08-25 01:50:56	481ms	4 NS 0 A 0 MX	🔒 Secure
2026-07-02 13:50:50	642ms	4 NS 0 A 0 MX	🔒 Secure
2026-06-25 14:08:56	1482ms	4 NS 0 A 0 MX	🔒 Secure
2026-06-19 19:37:15	4349ms	4 NS 0 A 0 MX	🔒 Secure
2026-06-17 15:19:10	479ms	4 NS 0 A 0 MX	🔒 Secure