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 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#

✗ No registration data yet — queued for a WHOIS lookup

📋 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