businesslearning.dk

📜 Historical scan 2026-08-27 23:18:43 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

businesslearning.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 2 January 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.108.13 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by businesslearning-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no 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#

2 records 41ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.108.13	3600s	web14.curanet.dk	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

1 records 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	businesslearning-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca09::5 2a01:111:f403:ca09::b 2a01:111:f403:ca48::c 52.101.68.10 52.101.68.29 52.101.73.22 52.101.73.24	mail-du2pr03cu00102.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com mail-as8pr05cu00300.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 → 40.104.116.56

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 59ms

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

📝 TXT Records#

2 records 165ms

TXT Record
MS=ms72063650
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (businesslearning.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 2026-10-16 16:15:48

www	94.231.108.13 (AS48854) (address records, no CNAME)
www vs bare domain	Same network businesslearning.dk: 94.231.108.13 (AS48854) www.businesslearning.dk: 94.231.108.13 (AS48854)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
s1	s1.domainkey.u20315864.wl115.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u20315864.wl115.sendgrid.net	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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

72ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2026081401
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-16 16:40:20

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2013-01-02
Expires	2027-01-31 (106d)

🔗 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#

41ms

33ms

30ms

AAAA

38ms

TXT

165ms

CAA

38ms

HTTPS

48ms

TLSA

188ms

SOA

0ms

MTA-STS

51ms

DNSSEC

72ms

SRV

59ms

Total

764ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 16:15:48	2035ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-24 09:23:57	4747ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-18 17:25:45	1156ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 23:18:43 shown	764ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-15 08:49:56	1946ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-18 10:53:05	1378ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-15 11:07:09	1109ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-01 23:26:32	855ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 17:50:06	668ms	2 NS 1 A 1 MX	🔒 Secure