defu.dk

Records from scan: 2026-10-08 00:29:35 · 566ms total · last checked 2026-10-22 13:05 (unchanged)

⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 28ms

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 28ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.155.240	60s	forward.dnsfactory.dk	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 31ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	defu-dk.q-v1.mx.microsoft	2a01:111:f403:ca04::a 2a01:111:f403:ca09::26 2a01:111:f403:ca48::10 2a01:111:f403:ca48::e 52.101.181.153 52.101.181.156 52.101.68.10 52.101.73.126	mail-du0pr03cu00102.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-miypr05cu00100.inbound.protection.outlook.com mail-miypr03cu00206.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-wa4pr05cu00104.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-am8pr83cu00106.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 → 52.98.154.136

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 53ms

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

📝 TXT Records#

3 records 152ms

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#

230ms

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#

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#

4 records 69ms

Service / Owner	Type	Cert association
SMTP _25._tcp.defu-dk.q-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	C1AD7778796D20BCA65C889A26550211…
SMTP _25._tcp.defu-dk.q-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	EA7A25255D111FC3CE4CB8FABE3ADF9C…
SMTP _25._tcp.defu-dk.q-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	54883CC5F1849331E6BF5002C3129D20…
SMTP _25._tcp.defu-dk.q-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	803F7447CC75B208DBCA042346F5D8DF…

🔐 DNSSEC#

55ms

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

🏷️ SOA#

22ms

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#

28ms

31ms

AAAA

31ms

TXT

152ms

CAA

23ms

HTTPS

32ms

TLSA

69ms

SOA

22ms

MTA-STS

230ms

DNSSEC

55ms

SRV

53ms

Total

566ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 00:29:35 shown	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	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