osterkruger.dk

Records from scan: 2026-10-08 04:54:41 · 1011ms total · last checked 2026-10-17 14:13 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

osterkruger.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 16 April 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.158.52 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by osterkruger-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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 35ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.158.52	3600s	linux32.dandomain.dk	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 26ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	osterkruger-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca09::20 2a01:111:f403:ca09::24 2a01:111:f403:ca3c::a 52.101.103.143 52.101.181.153 52.101.68.39 52.101.73.153	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-zrxpr07cu00102.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-as8pr05cu00401.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 → 52.98.154.152
🔶 Autoconfig	93.191.158.52

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 48ms

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

📝 TXT Records#

2 records 117ms

TXT Record
MS=ms94370994
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (osterkruger.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#

checked 2026-10-08 04:54:41

www	93.191.158.52 (AS48854) (address records, no CNAME)
www vs bare domain	Same network osterkruger.dk: 93.191.158.52 (AS48854) www.osterkruger.dk: 93.191.158.52 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 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#

54ms

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

🏷️ SOA#

24ms

Field	Value
Serial	2021030500
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-08 12:30:27

Field	Value
Registrar	DANDOMAIN A/S
Registered	1999-04-16
Expires	2027-06-30 (255d)

📋 WHOIS#

⏱️ Lookup Timing#

35ms

31ms

26ms

AAAA

32ms

TXT

117ms

CAA

38ms

HTTPS

33ms

TLSA

637ms

SOA

24ms

MTA-STS

37ms

DNSSEC

54ms

SRV

48ms

Total

1011ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 04:54:41 shown	1011ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-27 01:38:55	869ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 20:51:38	1352ms	2 NS 1 A 1 MX	🔒 Secure