hfk.dk

📜 Historical scan 2026-06-24 16:10:06 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

hfk.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 15 December 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.41.67 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by hfk-dk.mail.protection.outlook.com. The zone is DNSSEC-signed but currently fails validation, 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 223ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 252ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.41.67	3600s	prolinux2.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 238ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	hfk-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::4 2a01:111:f403:ca04::7 2a01:111:f403:ca09::7 52.101.68.21 52.101.68.5 52.101.73.12 52.101.73.16	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-as2pr05cu00100.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 → 52.98.154.152
🔶 Autoconfig	185.21.41.67

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 405ms

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

📝 TXT Records#

2 records 570ms

TXT Record
MS=ms88915018
v=spf1 ip4:91.133.32.145 include:_spf.signicat.cloud include:spf.protection.outlook.com include:servers.mcsv.net include:spf.lmmail.dk include:spf.mandrillapp.com include:spf.emailsignatures365.com ~all

✉️ SPF#

Policy	Record (hfk.dk)
~all (soft fail)	v=spf1 ip4:91.133.32.145 include:_spf.signicat.cloud include:spf.protection.outlook.com include:servers.mcsv.net include:spf.lmmail.dk include:spf.mandrillapp.com include:spf.emailsignatures365.com ~all

📨 DMARC#

Policy	Record (_dmarc.hfk.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-08 12:40:33

www	185.21.41.67 (AS48854) (address records, no CNAME)
www vs bare domain	Same network hfk.dk: 185.21.41.67 (AS48854) www.hfk.dk: 185.21.41.67 (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: 8/10 · policy: ~all

warn 8 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

455ms

Check	Result
Validation Status	⚠️ Bogus
AD Flag (resolver validates)	✗ Not set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	broken trust chain resolving 'hfk.dk/DS/IN': 127.0.0.1#53

🏷️ SOA#

194ms

Field	Value
Serial	2024111402
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-15 14:36:43

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2017-12-15
Expires	2026-12-31 (75d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

223ms

252ms

238ms

AAAA

315ms

TXT

570ms

CAA

333ms

HTTPS

273ms

TLSA

2914ms

SOA

194ms

MTA-STS

404ms

DNSSEC

455ms

SRV

405ms

Total

5859ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-11 16:05:13	817ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 16:38:25	1094ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-29 22:18:30	801ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 16:10:06 shown	5859ms	2 NS 1 A 1 MX	⚠️ Bogus
2026-06-23 23:57:12	931ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-23 09:12:40	3756ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 13:41:24	1146ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 11:15:34	932ms	2 NS 1 A 1 MX	🔒 Secure