sfs.dk

📜 Historical scan 2026-10-10 11:41:25 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sfs.dk is a .dk domain served by 2 nameservers (ns6.sitnet.dk, ns7.sitnet.dk). It was registered on 22 November 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 172.232.147.252 is hosted by Akamai Connected Cloud (AS63949) in Sweden. The zone is DNSSEC-signed and validates, 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 79ms

Nameserver	IP addresses	PTR	ASN / ISP
ns6.sitnet.dk	107.162.234.197 2604:e180:1071::3:1	— —	AS55002 F5, Inc. AS55002 F5, Inc.
ns7.sitnet.dk	107.162.176.221 2604:e180:1071::ffff:6ba2:b0dd	— —	AS55002 F5, Inc. AS55002 F5, Inc.

🌍 A Records#

2 records 78ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
172.232.147.252	3600s	172-232-147-252.ip.linodeusercontent.com	AS63949	Akamai Connected Cloud	172.232.128.0/17	🇸🇪 Sweden	Stockholm
172.233.57.17	3600s	172-233-57-17.ip.linodeusercontent.com	AS63949	Akamai Connected Cloud	172.233.0.0/16	🇳🇱 The Netherlands	Amsterdam

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 94ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2600:3c09::f03c:94ff:fed1:f1bb	3600s	—	AS63949	Akamai Connected Cloud	2600:3c08:0:0:0:0:0:0/30	🇸🇪 Sweden	Stockholm
2600:3c0e::f03c:94ff:fed1:4ea	3600s	—	AS63949	Akamai Connected Cloud	2600:3c0e:0:0:0:0:0:0/32	🇳🇱 The Netherlands	Amsterdam

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 570ms

TXT Record
v=spf1 ip4:194.182.109.192/26 ip4:188.64.157.0/28 -all

✉️ SPF#

Policy	Record (sfs.dk)
-all (hard fail)	v=spf1 ip4:194.182.109.192/26 ip4:188.64.157.0/28 -all

📨 DMARC#

Policy	Record (_dmarc.sfs.dk)
p=reject	v=DMARC1; p=reject; sp=reject; rua=mailto:tcod1eh2@ag.eu.dmarcadvisor.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 2026-10-17 05:23:09

www CNAME	www.soefartsstyrelsen.dk.edgekey.net (all on edgekey.net) → 95.100.155.136 95.100.155.218 2a02:26f0:3b::5f64:9b88 2a02:26f0:3b::5f64:9bda (AS20940)
www vs bare domain	Different networks sfs.dk: 172.232.147.252 172.233.57.17 2600:3c09::f03c:94ff:fed1:f1bb 2600:3c0e::f03c:94ff:fed1:4ea (AS63949) www.sfs.dk: 95.100.155.136 95.100.155.218 2a02:26f0:3b::5f64:9b88 2a02:26f0:3b::5f64:9bda (AS20940) (all like this)
Wildcard	No
Denial of existence	NSEC3 · 10 iterations · 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: 0/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.sfs.dk	JA94N1PWpZNB7AgHL0Fe0xlW-4xZNhKf5lXJVGsmRME

🔗 TLSA / DANE#

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

🔐 DNSSEC#

2042ms

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

🏷️ SOA#

79ms

Field	Value
Serial	2019066549
Primary NS (MNAME)	ns6.sitnet.dk
Responsible (RNAME)	hostmaster@statens-it.dk
Refresh	10800s
Retry	1080s
Expire	2419200s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-14 00:35:18

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2015-11-22
Expires	2027-11-30 (408d)

🔗 Same registrant#

11 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).

Domain	Registrar
ais.dk	Punktum dk A/S (direct)
danishmaritimeauthority.dk	Punktum dk A/S (direct)
danishmaritimedays.dk	Punktum dk A/S (direct)
danishmaritimeforum.dk	Punktum dk A/S (direct)
dma.dk	Punktum dk A/S (direct)
fritidssejler.dk	Punktum dk A/S (direct)
soefartsstyrelsen.dk	Punktum dk A/S (direct)
soesport.dk	Punktum dk A/S (direct)
sofartsstyrelsen.dk	Punktum dk A/S (direct)
søfartsstyrelsen.dk	Punktum dk A/S (direct)
søfartstyrelsen.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

79ms

78ms

79ms

AAAA

94ms

TXT

570ms

CAA

88ms

HTTPS

73ms

TLSA

208ms

SOA

79ms

MTA-STS

151ms

DNSSEC

2042ms

SRV

223ms

Total

6575ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 05:23:09	5138ms	2 NS 2 A 0 MX	🔒 Secure
2026-10-16 05:17:25	18522ms	2 NS 2 A 0 MX	🔒 Secure
2026-10-15 01:23:24	5532ms	2 NS 2 A 0 MX	🔒 Secure
2026-10-14 00:16:41	9765ms	2 NS 2 A 0 MX	🔒 Secure
2026-10-12 13:59:20	18164ms	2 NS 2 A 0 MX	🔒 Secure
2026-10-11 12:37:40	2094ms	2 NS 2 A 0 MX	🔒 Secure
2026-10-10 11:41:25 shown	6575ms	2 NS 2 A 0 MX	🔒 Secure
2026-10-09 05:21:31	1328ms	2 NS 2 A 0 MX	🔒 Secure
2026-10-08 05:18:52	15935ms	2 NS 2 A 0 MX	🔒 Secure
2026-10-07 05:13:18	5901ms	2 NS 2 A 0 MX	🔒 Secure
2026-10-06 02:38:45	17298ms	2 NS 2 A 0 MX	🔒 Secure
2026-10-05 02:33:27	17823ms	2 NS 2 A 0 MX	🔒 Secure
2026-10-04 02:22:29	1890ms	2 NS 2 A 0 MX	🔒 Secure
2026-10-03 02:20:34	19324ms	2 NS 2 A 0 MX	🔒 Secure
2026-10-02 02:15:40	18326ms	2 NS 2 A 0 MX	🔒 Secure
2026-10-01 02:10:36	9461ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-30 02:05:53	17638ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-29 01:55:42	1220ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-28 01:46:38	17442ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-27 01:37:39	9472ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-26 01:23:45	9949ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-25 07:08:30	1586ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-24 06:53:03	9774ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-23 06:42:07	9495ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-18 07:08:31	18766ms	2 NS 2 A 0 MX	🔒 Secure