fbc.dk DNS records

🖥️ Nameservers2 records 58ms

Nameserver	IP addresses	PTR	ASN / ISP
ns3.infracom.nl	2a02:ca0:2::3 94.247.73.3	ns3.nikhef.infracom.nl ns3.nikhef.infracom.nl	AS8587 Infracom Holding B.V. AS8587 Infracom Holding B.V.
ns5.infracom.nl	2a02:ca0:1::5 94.247.75.5	ns5.am7.infracom.nl ns5.infracom.nl	AS8587 Infracom Holding B.V. AS8587 Infracom Holding B.V.

🌍 A Records

🌍

No A records found

📧 MX Records1 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	fbc-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca04::b 2a01:111:f403:ca09::8 2a01:111:f403:ca09::9 52.101.68.5 52.101.73.16 52.101.73.2 52.101.73.28	mail-db5pr02cu00100.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as9pr07cu00302.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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 107ms

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

📝 TXT Records2 records 255ms

TXT Record
MS=ms66770365
v=spf1 a mx ip4:185.69.204.101 ip4:185.69.204.111 ip4:185.69.204.112 ip4:185.69.204.113 ip4:185.69.204.114 ip4:185.69.204.115 ip4:185.69.204.64 include:spf.messagelabs.com include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (fbc.dk)
-all (hard fail)	v=spf1 a mx ip4:185.69.204.101 ip4:185.69.204.111 ip4:185.69.204.112 ip4:185.69.204.113 ip4:185.69.204.114 ip4:185.69.204.115 ip4:185.69.204.64 include:spf.messagelabs.com include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.fbc.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:_dmarc-reports@sunwebgroup.com; urf=mailto:_dmarc-reports@sunwebgroup.com;

📬 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)

🔐 DNSSEC125ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2022021400
Primary NS (MNAME)	ns3.infracom.nl
Responsible (RNAME)	dom-reg@infracom.nl
Refresh	28800s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

58ms

A

51ms

MX

43ms

AAAA

75ms

TXT

255ms

CAA

58ms

HTTPS

48ms

TLSA

299ms

SOA

0ms

MTA-STS

70ms

DNSSEC

125ms

SRV

107ms

Total

1543ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-24 14:28:52	1543ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-17 09:45:02	1762ms	2 NS 0 A 1 MX	🔓 Insecure	View