itfjernundervisning.dk

📜 Historical scan 2026-06-26 18:50:19 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

itfjernundervisning.dk is a .dk domain served by 2 nameservers (lars.ns.cloudflare.com, naomi.ns.cloudflare.com). It was registered on 25 August 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 20.238.69.178 is hosted by Microsoft Corporation (AS8075) in Ireland. Mail is handled by itfjernundervisning-dk.mail.protection.outlook.com. 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 251ms

Nameserver	IP addresses	PTR	ASN / ISP
lars.ns.cloudflare.com	108.162.193.195 172.64.33.195 173.245.59.195 2606:4700:58::adf5:3bc3 2803:f800:50::6ca2:c1c3 2a06:98c1:50::ac40:21c3	lars.ns.cloudflare.com lars.ns.cloudflare.com lars.ns.cloudflare.com lars.ns.cloudflare.com lars.ns.cloudflare.com lars.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
naomi.ns.cloudflare.com	108.162.192.208 172.64.32.208 173.245.58.208 2606:4700:50::adf5:3ad0 2803:f800:50::6ca2:c0d0 2a06:98c1:50::ac40:20d0	naomi.ns.cloudflare.com naomi.ns.cloudflare.com naomi.ns.cloudflare.com naomi.ns.cloudflare.com naomi.ns.cloudflare.com naomi.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 266ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
20.238.69.178	300s	—	AS8075	Microsoft Corporation	20.192.0.0/10	🇮🇪 Ireland	Dublin

📧 MX Records#

1 records 262ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	itfjernundervisning-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca09:: 2a01:111:f403:ca09::2 2a01:111:f403:ca09::4 52.101.68.16 52.101.73.15 52.101.73.2 52.101.73.24	mail-db4pr02cu00406.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.24
🔶 Autoconfig	20.238.69.178

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 598ms

TXT Record
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (itfjernundervisning.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -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 2026-10-09 12:28:16

www	NXDOMAIN
www vs bare domain	Neither resolves itfjernundervisning.dk: no address www.itfjernundervisning.dk: no address
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
dkim	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

558ms

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

🏷️ SOA#

314ms

Field	Value
Serial	2407751499
Primary NS (MNAME)	lars.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-09 12:37:32

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2004-08-25
Expires	2027-08-31 (317d)

📋 WHOIS#

⏱️ Lookup Timing#

251ms

266ms

262ms

AAAA

276ms

TXT

598ms

CAA

278ms

HTTPS

275ms

TLSA

1475ms

SOA

314ms

MTA-STS

402ms

DNSSEC

558ms

SRV

433ms

Total

11183ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 12:28:16	837ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-28 06:15:21	757ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-22 09:30:35	8057ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-21 09:18:07	1725ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-12 13:59:35	2868ms	2 NS 0 A 1 MX	🔓 Insecure
2026-07-20 21:30:35	9308ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-27 00:30:41	1378ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-26 18:50:19 shown	11183ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-23 16:12:39	1183ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-19 14:41:36	881ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 12:17:00	1092ms	2 NS 1 A 1 MX	🔓 Insecure