hf-c.dk

📜 Historical scan 2026-09-25 06:00:40 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

hf-c.dk is a .dk domain served by 2 nameservers (andy.ns.cloudflare.com, hazel.ns.cloudflare.com). It was registered on 11 November 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.18.30.117 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by hfc-dk0e.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 52ms

Nameserver	IP addresses	PTR	ASN / ISP
andy.ns.cloudflare.com	108.162.193.101 172.64.33.101 173.245.59.101 2606:4700:58::adf5:3b65 2803:f800:50::6ca2:c165 2a06:98c1:50::ac40:2165	andy.ns.cloudflare.com andy.ns.cloudflare.com andy.ns.cloudflare.com andy.ns.cloudflare.com andy.ns.cloudflare.com andy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
hazel.ns.cloudflare.com	108.162.194.157 162.159.38.157 172.64.34.157 2606:4700:50::a29f:269d 2803:f800:50::6ca2:c29d 2a06:98c1:50::ac40:229d	hazel.ns.cloudflare.com hazel.ns.cloudflare.com hazel.ns.cloudflare.com hazel.ns.cloudflare.com hazel.ns.cloudflare.com hazel.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 52ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.18.30.117	300s	—	AS13335	Cloudflare, Inc.	104.16.0.0/14	—	—
104.18.31.117	300s	—	AS13335	Cloudflare, Inc.	104.16.0.0/14	—	—

📧 MX Records#

1 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	hfc-dk0e.mail.protection.outlook.com	2a01:111:f403:c967::a 2a01:111:f403:ca04::c 2a01:111:f403:ca3c::6 2a01:111:f403:ca3c::a 52.101.73.126 52.101.91.153 52.101.91.162 52.101.91.21	mail-cpjpr05cu00102.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-zrxpr04cu00106.inbound.protection.outlook.com mail-zrxpr07cu00102.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-matpr04cu00101.inbound.protection.outlook.com mail-matpr04cu00302.inbound.protection.outlook.com mail-matpr05cu00105.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	104.18.31.117

🔷 AAAA Records (IPv6)#

2 records 50ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700::6812:1e75	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	🇺🇸 United States	—
2606:4700::6812:1f75	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	🇺🇸 United States	—

🔐 HTTPS Records#

1 records 56ms

Priority	Target	SvcParams
1 service	.	alpn="h2" ipv4hint=104.18.30.117,104.18.31.117 ipv6hint=2606:4700::6812:1e75,2606:4700::6812:1f75

📝 TXT Records#

2 records 244ms

TXT Record
MS=ms13405786
v=spf1 include:_spf62460.spf-protect.dk -all

✉️ SPF#

Policy	Record (hf-c.dk)
-all (hard fail)	v=spf1 include:_spf62460.spf-protect.dk -all

📨 DMARC#

Policy	Record (_dmarc.hf-c.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:6718fc5a06b4e@dmarc-dk.centerasecurity.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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-10 01:10:16

www	104.18.30.117 104.18.31.117 2606:4700::6812:1e75 2606:4700::6812:1f75 (AS13335) (address records, no CNAME)
www vs bare domain	Same network hf-c.dk: 104.18.30.117 104.18.31.117 2606:4700::6812:1e75 2606:4700::6812:1f75 (AS13335) www.hf-c.dk: 104.18.30.117 104.18.31.117 2606:4700::6812:1e75 2606:4700::6812:1f75 (AS13335)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-hfc-dk0e._domainkey.hfchristiansen.onmicrosoft.com	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 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#

9073ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2415588269
Primary NS (MNAME)	andy.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-05 19:42:05

Field	Value
Registrar	InterNetX GmbH
Registered	1999-11-11
Expires	2026-12-31 (70d)

📋 WHOIS#

⏱️ Lookup Timing#

52ms

41ms

AAAA

50ms

TXT

244ms

CAA

36ms

HTTPS

56ms

TLSA

608ms

SOA

0ms

MTA-STS

56ms

DNSSEC

9073ms

SRV

98ms

Total

10066ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 04:12:59	970ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-25 06:00:40 shown	10066ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-23 07:24:07	1162ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-21 18:58:00	1825ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-26 03:20:57	2983ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-22 10:58:38	1110ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 08:19:13	1405ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-21 01:33:47	702ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-17 11:20:02	1311ms	4 NS 1 A 1 MX	🔓 Insecure