kdruk.dk

📜 Historical scan 2026-08-26 18:02:03 · ← 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 46ms

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 52ms

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 54ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	kdruk-dk.u-v1.mx.microsoft	2a01:111:f403:ca04::a 2a01:111:f403:ca04::c 2a01:111:f403:ca09::20 2a01:111:f403:ca09::26 52.101.68.15 52.101.73.1 52.101.73.16 52.101.73.28	mail-du0pr03cu00102.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00204.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 245ms

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#

4 records 168ms

Service / Owner	Type	Cert association
SMTP _25._tcp.kdruk-dk.u-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	54883CC5F1849331E6BF5002C3129D20…
SMTP _25._tcp.kdruk-dk.u-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	EA7A25255D111FC3CE4CB8FABE3ADF9C…
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-TA · Full cert · SHA-256	C1AD7778796D20BCA65C889A26550211…

🔐 DNSSEC#

2083ms

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	316
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 (285d)

🔗 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
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)
strova.dk	Punktum dk A/S (direct)
wruuum.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

46ms

52ms

54ms

AAAA

53ms

TXT

245ms

CAA

61ms

HTTPS

72ms

TLSA

168ms

SOA

0ms

MTA-STS

107ms

DNSSEC

2083ms

SRV

90ms

Total

3377ms

🕐 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 shown	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	4865ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-18 03:32:19	1139ms	2 NS 1 A 1 MX	🔓 Insecure