dpuentreprise.dk

📜 Historical scan 2026-09-29 09:46:00 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dpuentreprise.dk is a .dk domain served by 2 nameservers (austin.ns.cloudflare.com, chelsea.ns.cloudflare.com). It was registered on 19 April 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.28.99 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by dpuentreprise-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 51ms

Nameserver	IP addresses	PTR	ASN / ISP
austin.ns.cloudflare.com	108.162.193.70 172.64.33.70 173.245.59.70 2606:4700:58::adf5:3b46 2803:f800:50::6ca2:c146 2a06:98c1:50::ac40:2146	austin.ns.cloudflare.com austin.ns.cloudflare.com austin.ns.cloudflare.com austin.ns.cloudflare.com austin.ns.cloudflare.com austin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
chelsea.ns.cloudflare.com	108.162.194.177 162.159.38.177 172.64.34.177 2606:4700:50::a29f:26b1 2803:f800:50::6ca2:c2b1 2a06:98c1:50::ac40:22b1	chelsea.ns.cloudflare.com chelsea.ns.cloudflare.com chelsea.ns.cloudflare.com chelsea.ns.cloudflare.com chelsea.ns.cloudflare.com chelsea.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.28.99	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.145.210	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	dpuentreprise-dk.mail.protection.outlook.com	2a01:111:f403:ca09::20 2a01:111:f403:ca09::24 2a01:111:f403:ca21::e 2a01:111:f403:ca48::c 52.101.185.114 52.101.68.27 52.101.91.153 52.101.91.156	mail-as8pr05cu00400.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-matpr04cu00306.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-zrxpr04cu00102.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-matpr04cu00101.inbound.protection.outlook.com mail-maspr04cu00104.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 → 40.104.116.40
🔶 Autoconfig	104.21.28.99

🔷 AAAA Records (IPv6)#

2 records 33ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::6815:1c63	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:91d2	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 40ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.28.99,172.67.145.210 ech=AEX+DQBByQAgACC9SCoSWgD1S/jIxUoBiAioA30LWusDuD9Esadm2mhNSQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:1c63,2606:4700:3034::ac43:91d2

📝 TXT Records#

2 records 163ms

TXT Record
MS=ms40650238
v=spf1 include:spf.protection.outlook.com include:82.29.182.125 include:_spf.mail.hostinger.com -all

✉️ SPF#

Policy	Record (dpuentreprise.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:82.29.182.125 include:_spf.mail.hostinger.com -all

📨 DMARC#

Policy	Record (_dmarc.dpuentreprise.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-24 03:25:52

www	185.158.133.1 (AS13335) (address records, no CNAME)
www vs bare domain	Same network dpuentreprise.dk: 185.158.133.1 (AS13335) www.dpuentreprise.dk: 185.158.133.1 (AS13335)
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
default	—	RSA · ~1024 bit below 2048 bit
selector1	selector1-dpuentreprise-dk._domainkey.dpuentreprise.onmicrosoft.com	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: 5/10 · policy: -all

error include:82.29.182.125 has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.dpuentreprise.dk	O09If2XE8DnxPDjC09bq-IPSPIeeBz0dtWTqUDlJbdM
TXT	_acme-challenge.dpuentreprise.dk	fS-0tIjRfrhiAA5SpMNsDv3AnQw8Us7i4W2QR2PreRo

🔗 TLSA / DANE#

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

🔐 DNSSEC#

106ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2416107316
Primary NS (MNAME)	austin.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-25 09:54:31

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2010-04-19
Expires	2027-04-30 (186d)

🔗 Same registrant#

1 domain

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
personaleudlejning.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

51ms

35ms

34ms

AAAA

33ms

TXT

163ms

CAA

37ms

HTTPS

40ms

TLSA

214ms

SOA

0ms

MTA-STS

59ms

DNSSEC

106ms

SRV

89ms

Total

882ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-24 03:25:52	445ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-09 14:44:05	1896ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 11:56:00	1018ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 09:51:23	1228ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-29 09:46:00 shown	882ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-27 09:08:20	1291ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-24 15:00:42	1482ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-14 03:19:30	747ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-01 03:13:21	2300ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-27 00:06:37	1171ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-30 17:59:55	1101ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-18 16:01:54	10881ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 04:26:01	638ms	2 NS 2 A 1 MX	🔓 Insecure