fhbu.dk DNS records

🖥️ Nameservers2 records 76ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.fluxdns.dk	2a01:4f9:c014:8e35::1 89.167.105.41	— static.41.105.167.89.clients.your-server.de	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns2.fluxdns.dk	2a01:4f9:c013:3bfc::1 37.27.89.177	— static.177.89.27.37.clients.your-server.de	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🌍 A Records1 records 62ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
157.180.41.188	1791s	static.188.41.180.157.clients.your-server.de	AS24940	Hetzner Online GmbH	157.180.0.0/17	🇫🇮 Finland	Helsinki

📧 MX Records2 records 48ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	eu-esec-01.heimdalsecurity.com	20.50.183.144 20.50.183.146	eu-esec-01.heimdalsecurity.com eu-esec-01.heimdalsecurity.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
20	3600s	eu-esec-02.heimdalsecurity.com	20.50.183.144 20.50.183.146	eu-esec-01.heimdalsecurity.com eu-esec-01.heimdalsecurity.com	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

📝 TXT Records3 records 350ms

TXT Record
google-site-verification=hAEP4TPxbsTLeW72fWVDw-GdiY1tPc5yeySA4dbI4FE
MS=ms72076523
v=spf1 include:servers.mcsv.net include:spf.protection.outlook.com include:spf-esec.heimdalsecurity.com ~all

✉️ SPF

Policy	Record (fhbu.dk)
~all (soft fail)	v=spf1 include:servers.mcsv.net include:spf.protection.outlook.com include:spf-esec.heimdalsecurity.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 / DANE2 records 171ms

Service / Owner	Type	Cert association
SMTP _25._tcp.eu-esec-01.heimdalsecurity.com	DANE-EE · SPKI · SHA-256	2E8933DD6DB99304A5A9D5C4ECDE7B8E…
SMTP _25._tcp.eu-esec-02.heimdalsecurity.com	DANE-EE · SPKI · SHA-256	2E8933DD6DB99304A5A9D5C4ECDE7B8E…

🔐 DNSSEC2087ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2026082401
Primary NS (MNAME)	ns1.fluxdns.dk
Responsible (RNAME)	hostmaster@fluxdns.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

76ms

A

62ms

MX

48ms

AAAA

91ms

TXT

350ms

CAA

95ms

HTTPS

113ms

TLSA

171ms

SOA

0ms

MTA-STS

110ms

DNSSEC

2087ms

SRV

131ms

Total

2868ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 08:06:56	2868ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-08-25 01:52:58	2179ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-08-12 05:25:05	1628ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-08-08 21:40:50	1482ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-07-31 17:31:20	1197ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-07-10 15:39:35	9085ms	2 NS 1 A 2 MX	❓ Unknown	View
2026-07-09 05:52:55	9013ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-07-02 22:12:22	9982ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-06-27 08:03:18	2251ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-06-19 16:07:09	4813ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-06-17 10:05:25	1848ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-06-17 10:03:24	993ms	2 NS 1 A 2 MX	🔓 Insecure	View