sfbk.dk

Records from scan: 2026-06-26 00:55:17 · 1945ms total · last checked 2026-10-22 07:47 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sfbk.dk is a .dk domain served by 2 nameservers (ns1.jetcom.dk, ns2.jetcom.dk). It was registered on 14 January 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 212.237.249.17 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by sfbk-dk.mail.protection.outlook.com. The zone is of unknown DNSSEC status, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 136ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.jetcom.dk	193.242.107.7	ns1.jetcom.dk	AS31027 GlobalConnect A/S
ns2.jetcom.dk	193.242.107.8	ns2.jetcom.dk	AS31027 GlobalConnect A/S

🌍 A Records#

1 records 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
212.237.249.17	14400s	splash.dandomain.dk	AS48854	team.blue Denmark A/S	212.237.248.0/23	🇩🇰 Denmark	—

📧 MX Records#

1 records 136ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	14400s	sfbk-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca04::d 2a01:111:f403:ca09::20 2a01:111:f403:ca09::7 52.101.68.3 52.101.73.24 52.101.73.28 52.101.73.30	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com mail-am7pr05cu00204.inbound.protection.outlook.com mail-am7pr05cu00306.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 → 40.104.62.216

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 302ms

TXT Record
MS=ms81503889
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (sfbk.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.sfbk.dk)
p=reject	v=DMARC1; p=reject;

📬 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#

checked 2026-10-13 11:15:56

www	212.237.249.17 (AS48854) (address records, no CNAME)
www vs bare domain	Same network sfbk.dk: 212.237.249.17 (AS48854) www.sfbk.dk: 212.237.249.17 (AS48854)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-sfbk-dk._domainkey.sfbkdk.onmicrosoft.com	RSA · ~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#

645ms

Check	Result
Validation Status	❓ Unknown
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: failure

🏷️ SOA#

34ms

Field	Value
Serial	2026021009
Primary NS (MNAME)	ns1.jetcom.dk
Responsible (RNAME)	hostmaster@sfbk.dk
Refresh	3600s
Retry	600s
Expire	604800s
Minimum (neg-cache TTL)	14400s

📋 Registration#

WHOIS fetched 2026-10-22 10:07:03

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2020-01-14
Expires	2027-01-31 (100d)

🔗 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#

136ms

43ms

136ms

AAAA

86ms

TXT

302ms

CAA

83ms

HTTPS

85ms

TLSA

937ms

SOA

34ms

MTA-STS

86ms

DNSSEC

645ms

SRV

195ms

Total

1945ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-06-26 00:55:17 shown	1945ms	2 NS 1 A 1 MX	❓ Unknown
2026-06-20 05:28:06	2549ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-18 03:16:55	1990ms	2 NS 1 A 1 MX	🔓 Insecure