fer.dk

📜 Historical scan 2026-06-25 23:54:21 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

fer.dk is a .dk domain served by 2 nameservers (ns.scannet2.dk, ns2.scannet2.dk). It was registered on 22 January 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.103.105 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by fer-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no 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 79ms

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 77ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.105	3600s	linux93.unoeuro.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

1 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	fer-dk.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca09:: 2a01:111:f403:ca09::1 2a01:111:f403:ca09::4 52.101.68.15 52.101.68.39 52.101.73.16 52.101.73.28	mail-db4pr02cu00307.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db7pr03cu00607.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.outlook.com → 40.104.116.8
🔶 Autoconfig	212.98.92.29

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 110ms

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

📝 TXT Records#

1 records 183ms

TXT Record
v=spf1 ip4:94.231.103.105 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (fer.dk)
-all (hard fail)	v=spf1 ip4:94.231.103.105 include:spf.protection.outlook.com -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 20:04:10

www	94.231.103.105 (AS48854) (address records, no CNAME)
www vs bare domain	Same network fer.dk: 94.231.103.105 (AS48854) www.fer.dk: 94.231.103.105 (AS48854)
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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

97ms

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

🏷️ SOA#

76ms

Field	Value
Serial	2023112402
Primary NS (MNAME)	ns.scannet2.dk
Responsible (RNAME)	hostmaster@scannet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-08 01:38:28

Field	Value
Registrar	A/S SCANNET
Registered	2004-01-22
Expires	2027-01-31 (105d)

📋 WHOIS#

⏱️ Lookup Timing#

79ms

77ms

42ms

AAAA

35ms

TXT

183ms

CAA

78ms

HTTPS

41ms

TLSA

362ms

SOA

76ms

MTA-STS

37ms

DNSSEC

97ms

SRV

110ms

Total

977ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 12:27:01	2487ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-20 23:40:20	890ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 23:54:21 shown	977ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 06:45:08	933ms	2 NS 1 A 1 MX	⚠️ Bogus
2026-06-23 22:42:07	1014ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 08:18:48	789ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 06:13:54	826ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 10:03:01	1037ms	2 NS 1 A 1 MX	🔒 Secure