sbsl.dk

📜 Historical scan 2026-07-04 18:24:23 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sbsl.dk is a .dk domain served by 2 nameservers (lina.ns.cloudflare.com, vern.ns.cloudflare.com). It was registered on 25 October 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.10.238 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by sbsl-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no 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 90ms

Nameserver	IP addresses	PTR	ASN / ISP
lina.ns.cloudflare.com	108.162.192.187 172.64.32.187 173.245.58.187 2606:4700:50::adf5:3abb 2803:f800:50::6ca2:c0bb 2a06:98c1:50::ac40:20bb	lina.ns.cloudflare.com lina.ns.cloudflare.com lina.ns.cloudflare.com lina.ns.cloudflare.com lina.ns.cloudflare.com lina.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
vern.ns.cloudflare.com	108.162.193.243 172.64.33.243 173.245.59.243 2606:4700:58::adf5:3bf3 2803:f800:50::6ca2:c1f3 2a06:98c1:50::ac40:21f3	vern.ns.cloudflare.com vern.ns.cloudflare.com vern.ns.cloudflare.com vern.ns.cloudflare.com vern.ns.cloudflare.com vern.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 129ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.10.238	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.164.209	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 152ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	sbsl-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::a 2a01:111:f403:ca09::9 2a01:111:f403:ca09::b 52.101.68.18 52.101.68.39 52.101.68.5 52.101.73.1	mail-du2pr03cu00102.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am3pr04cu00501.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 → 40.99.214.40

🔷 AAAA Records (IPv6)#

2 records 192ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:aee	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:a4d1	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 179ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.10.238,172.67.164.209 ech=AEX+DQBBLAAgACDcDLWv8n09x9pdFpws3jNgsGUnibkbeOBXsGR0H5uTFwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:aee,2606:4700:3035::ac43:a4d1

🔌 SRV Records#

1 records 354ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 401ms

TXT Record
MS=ms95962543
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

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

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-09 10:25:54

www	104.21.10.238 172.67.164.209 2606:4700:3033::6815:aee 2606:4700:3035::ac43:a4d1 (AS13335) (address records, no CNAME)
www vs bare domain	Same network sbsl.dk: 104.21.10.238 172.67.164.209 2606:4700:3033::6815:aee 2606:4700:3035::ac43:a4d1 (AS13335) www.sbsl.dk: 104.21.10.238 172.67.164.209 2606:4700:3033::6815:aee 2606:4700:3035::ac43:a4d1 (AS13335)
Wildcard	No

🔎 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#

325ms

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	2408665593
Primary NS (MNAME)	lina.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-16 10:32:07

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2010-10-25
Expires	2027-10-31 (376d)

🔗 Same registrant#

6 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
alkora.dk	Netsite A/S
billigøl.dk	Punktum dk A/S (direct)
frihedentilatfeste.dk	Punktum dk A/S (direct)
studenterbolaget.dk	Punktum dk A/S (direct)
studenterøl.dk	Punktum dk A/S (direct)
studieøl.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

90ms

129ms

152ms

AAAA

192ms

TXT

401ms

CAA

73ms

HTTPS

179ms

TLSA

818ms

SOA

0ms

MTA-STS

180ms

DNSSEC

325ms

SRV

354ms

Total

5365ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 06:22:00	751ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-05 11:18:28	1431ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-25 13:46:01	1369ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-24 13:10:41	4662ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-04 18:24:23 shown	5365ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 14:40:09	2261ms	2 NS 2 A 1 MX	🔓 Insecure