s-bf.dk

Records from scan: 2026-09-29 16:08:55 · 3267ms total · last checked 2026-10-18 04:03 (unchanged)

⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 26ms

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 37ms

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 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	sbf-dk0c.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::4 2a01:111:f403:ca04::a 2a01:111:f403:ca09::a 52.101.181.156 52.101.68.21 52.101.68.8 52.101.91.162	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-wa4pr05cu00104.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-matpr04cu00302.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 206ms

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#

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#

67ms

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

🏷️ SOA#

0ms

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#

26ms

37ms

36ms

AAAA

35ms

TXT

206ms

CAA

46ms

HTTPS

34ms

TLSA

303ms

SOA

0ms

MTA-STS

62ms

DNSSEC

67ms

SRV

60ms

Total

3267ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-29 16:08:55 shown	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	3099ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-17 13:39:40	4649ms	4 NS 1 A 1 MX	🔓 Insecure