def.dk

📜 Historical scan 2026-09-30 20:57:22 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

def.dk is a .dk domain served by 2 nameservers (ns.scannet2.dk, ns2.scannet2.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 20.50.2.85 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by mx1-dk.centerasecurity.dk, mx2-dk.centerasecurity.dk. 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 44ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.scannet2.dk	185.25.141.9 2a02:2339:4006:10d::4171:4171	ns1.scannet.dk ns1.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.scannet2.dk	2a02:2339:1:112:0:5:1:b11 91.197.248.72	ns2.scannet.dk ns2.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
20.50.2.85	360s	—	AS8075	Microsoft Corporation	20.48.0.0/12	🇳🇱 The Netherlands	Amsterdam

📧 MX Records#

2 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	360s	mx1-dk.centerasecurity.dk	128.76.60.167 128.76.60.187 89.233.19.127 89.233.19.188	mx6.centerasecurity.dk mx6.centerasecurity.dk mx14.centerasecurity.dk mx14.centerasecurity.dk	AS3292 TDC Holding A/S AS3292 TDC Holding A/S AS3308 Norlys Telco A/S AS3308 Norlys Telco A/S
10	360s	mx2-dk.centerasecurity.dk	128.76.60.168 128.76.60.169 89.233.19.128 89.233.19.129	mx6.centerasecurity.dk mx6.centerasecurity.dk mx14.centerasecurity.dk mx14.centerasecurity.dk	AS3292 TDC Holding A/S AS3292 TDC Holding A/S AS3308 Norlys Telco A/S AS3308 Norlys Telco A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.40
🔶 Autoconfig	20.50.2.85

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

2 records 58ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	1	0	443	autodiscover.outlook.com
_sipfederationtls._tcp	3	0	5061	sip.def.dk

📝 TXT Records#

10 records 138ms

TXT Record
_globalsign-domain-verification=QeQeii33g4wDOzYfPpUnOFGoiA56NFvlmSVqceD3Cq
6j/ZhET0VktmpFUIqlw9kkyC37ICg40sqolkXwf0DcWwdI/O7KGB+pGiE0+lH4WM3XiIE7YorZ9E0LRIM+tZQQ==
7m3z0z3td8hhmktvbshmpqm82fgr62zv
CEFEA6FD316F43F467BF5FFF0AA74E991E402E7015C361D19D7BC316A87C1DC
CEFEA6FD316F43F467BF5FFF0AA74E991E402E7015C361D19D7BC316A87C1DC9
Dansk El-Forbund
MS=ms15165797
MS=ms58999070
spycloud-domain-verification=30161b34-3cdd-4877-bb84-33ad5688bc88
v=spf1 ip4:185.193.121.198 ip4:195.215.242.10 ip4:80.198.54.16 ip4:195.215.242.119 ip4:213.199.154.234 ip4:195.215.242.119 ip4:195.215.242.37 ip4:195.215.238.186 ip4:86.58.141.0/24 include:spf.protection.outlook.com include:_spf.centerasecurity.dk include:spf.dynect.net include:_smtpcluster.jay.net include:servers.mcsv.net include:spf.topdesk.net -all

✉️ SPF#

Policy	Record (def.dk)
-all (hard fail)	v=spf1 ip4:185.193.121.198 ip4:195.215.242.10 ip4:80.198.54.16 ip4:195.215.242.119 ip4:213.199.154.234 ip4:195.215.242.119 ip4:195.215.242.37 ip4:195.215.238.186 ip4:86.58.141.0/24 include:spf.protection.outlook.com include:_spf.centerasecurity.dk include:spf.dynect.net include:_smtpcluster.jay.net include:servers.mcsv.net include:spf.topdesk.net -all

📨 DMARC#

Policy	Record (_dmarc.def.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:65d88b1f0dfdd@dmarc-dk.centerasecurity.com, mailto:dmarc_agg@vali.email

📬 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 2026-10-09 12:51:00

www	20.50.2.85 (AS8075) (address records, no CNAME)
www vs bare domain	Same network def.dk: 20.50.2.85 (AS8075) www.def.dk: 20.50.2.85 (AS8075)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
k1	dkim.mcsv.net	RSA · ~1024 bit below 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: 6/10 · policy: -all

No problems found

🔗 TLSA / DANE#

4 records 146ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	D4C349E7B72F5CF4A9CEA358F98947C2…
SMTP _25._tcp.mx1-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx2-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx2-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	D4C349E7B72F5CF4A9CEA358F98947C2…

🔐 DNSSEC#

64ms

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

🏷️ SOA#

48ms

Field	Value
Serial	2026093001
Primary NS (MNAME)	ns.scannet2.dk
Responsible (RNAME)	hostmaster@scannet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

44ms

49ms

41ms

AAAA

28ms

TXT

138ms

CAA

53ms

HTTPS

40ms

TLSA

146ms

SOA

48ms

MTA-STS

54ms

DNSSEC

64ms

SRV

58ms

Total

830ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 12:51:00	444ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-30 20:57:22 shown	830ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-30 08:14:26	549ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-23 19:23:55	586ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-25 19:38:17	777ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-09 15:56:51	1079ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-04 14:52:46	4060ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-23 06:28:32	721ms	2 NS 1 A 2 MX	⚠️ Bogus
2026-06-21 02:33:35	638ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-17 01:42:29	2726ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-17 01:30:33	873ms	2 NS 1 A 2 MX	🔒 Secure