defu.dk

📜 Historical scan 2026-06-24 22:52:06 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

defu.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 26 February 1996 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.155.240 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by defu-dk.q-v1.mx.microsoft. The zone is DNSSEC-signed and validates, 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 248ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 228ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.155.240	300s	forward.dnsfactory.dk	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 264ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	defu-dk.q-v1.mx.microsoft	2a01:111:f403:ca04::f 2a01:111:f403:ca09::4 2a01:111:f403:ca09::8 2a01:111:f403:ca09::d	mail-db7pr03cu00507.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com	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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 273ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

3 records 793ms

TXT Record
LgfIN10TLzlmz9bufiXxiJ2dpbmMuawpkgbqvVFHf+Mm+ZZ4WX2Es77ICZA2LnzH0GH887urwaygvxeBhs0vuw==
MS=ms72367060
v=spf1 include:spf.protection.outlook.com ~all

✉️ SPF#

Policy	Record (defu.dk)
~all (soft fail)	v=spf1 include:spf.protection.outlook.com ~all

📨 DMARC#

Policy	Record (_dmarc.defu.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:2c6423c6@in.mailhardener.com

📬 MTA-STS#

719ms

Check	Result
Status	🔒 Enforce
TXT record (_mta-sts)	✓ Found
HTTPS policy	✓ Valid
Mode	enforce
Policy ID	20190601000000Z
max_age	604800s
Policy MX	defu-dk.q-v1.mx.microsoft

📈 TLSRPT#

Status	Report address (rua)
✓ Enabled	mailto:tlsrpt@in.mailhardener.com

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-08 00:29:35

www	93.191.155.240 (AS48854) (address records, no CNAME)
www vs bare domain	Same network defu.dk: 93.191.155.240 (AS48854) www.defu.dk: 93.191.155.240 (AS48854)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

6 records 537ms

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

🔐 DNSSEC#

545ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

322ms

Field	Value
Serial	2026020602
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-08 08:00:14

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1996-02-26
Expires	2027-03-31 (159d)

📋 WHOIS#

⏱️ Lookup Timing#

248ms

228ms

264ms

AAAA

259ms

TXT

793ms

CAA

391ms

HTTPS

262ms

TLSA

537ms

SOA

322ms

MTA-STS

719ms

DNSSEC

545ms

SRV

273ms

Total

2263ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 00:29:35	566ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 16:40:17	888ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-31 14:44:49	822ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 07:47:21	1170ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 22:52:06 shown	2263ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 01:50:43	2463ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 01:30:28	2977ms	2 NS 1 A 1 MX	🔒 Secure