s-bf.dk

📜 Historical scan 2026-06-19 18:03:30 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

s-bf.dk is a .dk domain served by 4 nameservers (ns-1102.awsdns-09.org, ns-1699.awsdns-20.co.uk, ns-171.awsdns-21.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 52.58.171.240 is hosted by Amazon.com, Inc. (AS16509) in Germany. Mail is handled by sbf-dk0c.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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#

4 records 285ms

Nameserver	IP addresses	PTR	ASN / ISP
ns-1102.awsdns-09.org	205.251.196.78 2600:9000:5304:4e00::1	ns-1102.awsdns-09.org ns-1102.awsdns-09.org	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-1699.awsdns-20.co.uk	205.251.198.163 2600:9000:5306:a300::1	ns-1699.awsdns-20.co.uk ns-1699.awsdns-20.co.uk	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-171.awsdns-21.com	205.251.192.171 2600:9000:5300:ab00::1	ns-171.awsdns-21.com ns-171.awsdns-21.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-981.awsdns-58.net	205.251.195.213 2600:9000:5303:d500::1	ns-981.awsdns-58.net ns-981.awsdns-58.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🌍 A Records#

1 records 307ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
52.58.171.240	300s	wp.nembedemand.dk	AS16509	Amazon.com, Inc.	52.56.0.0/14	🇩🇪 Germany	Frankfurt am Main

📧 MX Records#

1 records 257ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	sbf-dk0c.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::e 2a01:111:f403:ca09::2 2a01:111:f403:ca09::f 52.101.73.24 52.101.73.28 52.101.73.4 52.101.73.8	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com mail-am7pr05cu00204.inbound.protection.outlook.com mail-am0pr83cu00404.inbound.protection.outlook.com mail-am0pr04cu00500.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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 657ms

TXT Record
v=spf1 include:spf.protection.outlook.com include:spf.nembedemand.dk -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.s-bf.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc@s-bf.dk; adkim=s; aspf=s

📬 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 2026-10-08 17:54:12

www	52.58.171.240 (AS16509) (address records, no CNAME)
www vs bare domain	Same network s-bf.dk: 52.58.171.240 (AS16509) www.s-bf.dk: 52.58.171.240 (AS16509)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
mail	—	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: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

460ms

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

🏷️ SOA#

321ms

Field	Value
Serial	1
Primary NS (MNAME)	ns-1699.awsdns-20.co.uk
Responsible (RNAME)	awsdns-hostmaster@amazon.com
Refresh	7200s
Retry	900s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

285ms

307ms

257ms

AAAA

319ms

TXT

657ms

CAA

264ms

HTTPS

175ms

TLSA

322ms

SOA

321ms

MTA-STS

225ms

DNSSEC

460ms

SRV

373ms

Total

3099ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-29 16:08:55	3267ms	4 NS 1 A 1 MX	🔓 Insecure
2026-09-24 03:29:07	3708ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-19 18:03:30 shown	3099ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-17 13:39:40	4649ms	4 NS 1 A 1 MX	🔓 Insecure