dsf.dk

📜 Historical scan 2026-09-25 13:22:58 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dsf.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 20 May 1996 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.106.26 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by smtp.dsf.dk, smtprelay01.extremagear.com and 1 more. The zone is DNSSEC-signed and validates, 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 35ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.106.26	3600s	linux204.curanet.dk	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

3 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	smtp.dsf.dk	88.198.25.183	dyrnwyn.inder.net	AS24940 Hetzner Online GmbH
20	43200s	smtprelay01.extremagear.com	178.63.195.204 2a01:4f8:13b:9f0:1:0:14d7:8e86	smtprelay01.extremagear.com —	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
30	43200s	durandal.inder.net	2a01:4f8:130:20a1:8000::3 88.198.25.184	durandal.inder.net durandal.inder.net	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autoconfig.dsf.dk → 178.63.195.194
🔶 Autoconfig	autoconfig.extremagear.com → 178.63.195.194

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 163ms

TXT Record
google-site-verification=Ug3E-5JJnyckWkwAuj3tXa_BzwdOB5HBz0CFxk5z1j0
v=spf1 mx a:slipstream.inder.net include:extremagear.com include:spf.zitcom.dk ip4:78.46.123.196 ip6:2a01:4f8:130:20a1:8000::2 include:amazonses.com ?all

✉️ SPF#

Policy	Record (dsf.dk)
?all (neutral)	v=spf1 mx a:slipstream.inder.net include:extremagear.com include:spf.zitcom.dk ip4:78.46.123.196 ip6:2a01:4f8:130:20a1:8000::2 include:amazonses.com ?all

📨 DMARC#

Policy	Record (_dmarc.dsf.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dmarc@dsf.dk; adkim=r; aspf=r; sp=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 2026-10-11 00:02:37

www	94.231.106.26 (AS48854) (address records, no CNAME)
www vs bare domain	Same network dsf.dk: 94.231.106.26 (AS48854) www.dsf.dk: 94.231.106.26 (AS48854)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	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: 8/10 · policy: ?all

warn "?all" is neutral: it gives receivers no guidance, much like having no SPF
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#

70ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026090901
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-10 06:09:31

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1996-05-20
Expires	2027-06-30 (255d)

📋 WHOIS#

⏱️ Lookup Timing#

35ms

41ms

AAAA

29ms

TXT

163ms

CAA

28ms

HTTPS

35ms

TLSA

88ms

SOA

0ms

MTA-STS

51ms

DNSSEC

70ms

SRV

90ms

Total

705ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-11 00:02:37	2830ms	2 NS 1 A 3 MX	🔒 Secure
2026-09-25 13:22:58 shown	705ms	2 NS 1 A 3 MX	🔒 Secure
2026-09-11 12:26:49	1589ms	2 NS 1 A 3 MX	🔒 Secure
2026-08-10 01:38:35	1549ms	2 NS 1 A 3 MX	🔒 Secure
2026-07-15 16:13:47	8859ms	2 NS 1 A 3 MX	🔒 Secure
2026-07-12 00:35:16	12044ms	2 NS 1 A 3 MX	🔒 Secure
2026-07-02 00:15:54	869ms	2 NS 1 A 3 MX	🔒 Secure
2026-06-28 06:10:16	1423ms	2 NS 1 A 3 MX	🔒 Secure
2026-06-17 04:50:35	630ms	2 NS 1 A 3 MX	🔒 Secure