fer.dk DNS records

🖥️ Nameservers2 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 Records1 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 Records1 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 Records1 records 110ms

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

📝 TXT Records1 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

🔗 TLSA / DANE

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

🔐 DNSSEC97ms

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

🏷️ SOA76ms

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

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

79ms

A

77ms

MX

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
2026-06-25 23:54:21	977ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 06:45:08	933ms	2 NS 1 A 1 MX	⚠️ Bogus	View
2026-06-23 22:42:07	1014ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 08:18:48	789ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 06:13:54	826ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 10:03:01	1037ms	2 NS 1 A 1 MX	🔒 Secure	View