5skoler.dk

📜 Historical scan 2026-06-24 07:41:56 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

5skoler.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 30 September 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 20.50.2.64 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by 5skoler-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 192ms

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#

1 records 177ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
20.50.2.64	3600s	—	AS8075	Microsoft Corporation	20.48.0.0/12	🇳🇱 The Netherlands	Amsterdam

📧 MX Records#

1 records 160ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	5skoler-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca09:: 2a01:111:f403:ca09::4 2a01:111:f403:ca09::9 52.101.68.12 52.101.68.16 52.101.68.3 52.101.73.15	mail-du2pr03cu00102.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-am9pr04cu00107.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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 478ms

TXT Record
MS=ms69862246
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (5skoler.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 11:42:16

www	46.30.211.38 (AS51468) (address records, no CNAME)
www vs bare domain	Different networks 5skoler.dk: 20.50.2.64 (AS8075) www.5skoler.dk: 46.30.211.38 (AS51468) (all like this)
Wildcard	No

🔎 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#

389ms

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

🏷️ SOA#

167ms

Field	Value
Serial	2026051205
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 2026-10-17 19:45:24

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2021-09-30
Expires	2027-09-29 (344d)

🔗 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
albertelnif.dk	Punktum dk A/S (direct)
culprit.dk	Punktum dk A/S (direct)
foodconsulting.dk	Punktum dk A/S (direct)
hauchsvej.dk	Punktum dk A/S (direct)
poeten.dk	Punktum dk A/S (direct)
strikkecoachen.dk	Punktum dk A/S (direct)
vannacci.dk	Punktum dk A/S (direct)
vannaccifoodconsulting.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

192ms

177ms

160ms

AAAA

120ms

TXT

478ms

CAA

167ms

HTTPS

167ms

TLSA

292ms

SOA

167ms

MTA-STS

116ms

DNSSEC

389ms

SRV

598ms

Total

1688ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 11:42:16	979ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-28 02:05:15	10137ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-24 04:27:16	1890ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-14 14:52:41	1092ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-12 08:27:13	14214ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-15 09:04:36	8896ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-12 06:19:44	16974ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-24 07:41:56 shown	1688ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-23 07:23:13	1180ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 13:14:11	1795ms	2 NS 1 A 1 MX	🔓 Insecure