kdruk.dk

📜 Historical scan 2026-07-11 19:51:07 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

kdruk.dk is a .dk domain served by 2 nameservers (ns3.au.dk, ns4.au.dk). It was registered on 4 April 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.45.20.49 is hosted by Aarhus Universitet (AS62138) in Denmark. Mail is handled by kdruk-dk.u-v1.mx.microsoft. The zone is not DNSSEC-signed, publishes a 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 249ms

Nameserver	IP addresses	PTR	ASN / ISP
ns3.au.dk	20.73.178.34	ns3.au.dk	AS8075 Microsoft Corporation
ns4.au.dk	185.45.20.154	ns4.au.dk	AS62138 Aarhus Universitet

🌍 A Records#

1 records 231ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.45.20.49	300s	ced-apps.au.dk coursesetup-test.carsten.medu.au.dk dashboard-gios.au.dk er-det-fredag-i-ffb.dk ipure8.au.dk test-ced-apps.au.dk	AS62138	Aarhus Universitet	185.45.20.0/22	🇩🇰 Denmark	Aarhus

📧 MX Records#

1 records 285ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	kdruk-dk.u-v1.mx.microsoft	2a01:111:f403:ca04::4 2a01:111:f403:ca04::a 2a01:111:f403:ca04::c 2a01:111:f403:ca09::5 52.101.68.16 52.101.68.18 52.101.68.3 52.101.73.153	mail-db4pr02cu00204.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-as8pr05cu00401.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-redirect.au.dk → 130.225.13.1

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 543ms

TXT Record
MS=ms26600293
v=spf1 include:spf.au.dk -all

✉️ SPF#

Policy	Record (kdruk.dk)
-all (hard fail)	v=spf1 include:spf.au.dk -all

📨 DMARC#

Policy	Record (_dmarc.kdruk.dk)
p=reject	v=DMARC1;p=reject;pct=100;rua=mailto:ced1e70d2c70635@rep.dmarcanalyzer.com;ruf=mailto:ced1e70d2c70635@for.dmarcanalyzer.com;aspf=r;

📬 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 2026-10-08 20:57:02

www	185.45.20.49 (AS62138) (address records, no CNAME)
www vs bare domain	Same network kdruk.dk: 185.45.20.49 (AS62138) www.kdruk.dk: 185.45.20.49 (AS62138)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 6/10 · policy: -all

No problems found

🔗 TLSA / DANE#

8 records 258ms

Service / Owner	Type	Cert association
SMTP _25._tcp.kdruk-dk.u-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	C1AD7778796D20BCA65C889A26550211…
SMTP _25._tcp.kdruk-dk.u-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	803F7447CC75B208DBCA042346F5D8DF…
SMTP _25._tcp.kdruk-dk.u-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	C495D9E40F7E625BE22F83CC64305182…
SMTP _25._tcp.kdruk-dk.u-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	5F88694615E4C61686E106B84C3338C6…
SMTP _25._tcp.kdruk-dk.u-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	A6C267923B26A4A9617EDA73D8DB4FBC…
SMTP _25._tcp.kdruk-dk.u-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	38D895F5105BC2545822C17A2444F4B0…
SMTP _25._tcp.kdruk-dk.u-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	133086C7B822371A4A3304F1661A7880…
SMTP _25._tcp.kdruk-dk.u-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	6EBFF927297A5B3AAF5EAE672252C36A…

🔐 DNSSEC#

310ms

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	314
Primary NS (MNAME)	infobloxgm3.au.dk
Responsible (RNAME)	auit-dns@au.dk
Refresh	10800s
Retry	1080s
Expire	2419200s
Minimum (neg-cache TTL)	900s

📋 Registration#

WHOIS fetched 2026-10-16 07:45:49

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2012-04-04
Expires	2027-07-31 (287d)

🔗 Same registrant#

7 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
bundedating.dk	Punktum dk A/S (direct)
enkasseienfestforening.dk	Punktum dk A/S (direct)
jamsejusk.dk	Punktum dk A/S (direct)
matfystutor.dk	Punktum dk A/S (direct)
megaprügl.dk	Punktum dk A/S (direct)
scitechtinget.dk	Punktum dk A/S (direct)
wruuum.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

249ms

231ms

285ms

AAAA

263ms

TXT

543ms

CAA

230ms

HTTPS

262ms

TLSA

258ms

SOA

0ms

MTA-STS

246ms

DNSSEC

310ms

SRV

299ms

Total

4865ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 18:53:50	653ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-29 18:29:38	621ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-08 04:49:11	819ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-26 18:02:03	3377ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-04 03:55:19	972ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-11 19:51:07 shown	4865ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-18 03:32:19	1139ms	2 NS 1 A 1 MX	🔓 Insecure