osbak.dk

📜 Historical scan 2026-06-17 13:53:41 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

osbak.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 3 June 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.130 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by osbak-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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 96ms

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 107ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.240.130	—	webcluster3.webpod11-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 231ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	osbak-dk.mail.protection.outlook.com	2a01:111:f403:ca09::1 2a01:111:f403:ca09::6 2a01:111:f403:ca09::9 2a01:111:f403:ca09::d 52.101.68.15 52.101.68.8 52.101.73.28 52.101.73.6	mail-as9pr07cu00301.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am7pr05cu00204.inbound.protection.outlook.com mail-am6pr04cu00306.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)#

1 records 272ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:102:11:cede:7da9:9e42	—	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 345ms

TXT Record
MS=ms40088994
ppe-02c3549268949e0a8f60
v=spf1 include:spf.protection.outlook.com a:dispatch-eu.ppe-hosted.com -all

✉️ SPF#

Policy	Record (osbak.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com a:dispatch-eu.ppe-hosted.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 2026-10-10 16:43:24

www	77.111.240.130 2a02:2350:5:102:11:cede:7da9:9e42 (AS51468) (address records, no CNAME)
www vs bare domain	Same network osbak.dk: 77.111.240.130 2a02:2350:5:102:11:cede:7da9:9e42 (AS51468) www.osbak.dk: 77.111.240.130 2a02:2350:5:102:11:cede:7da9:9e42 (AS51468)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 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#

264ms

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

🏷️ SOA#

123ms

Field	Value
Serial	2026053001
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 2026-10-18 03:31:06

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2002-06-03
Expires	2027-06-30 (255d)

🔗 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#

96ms

107ms

231ms

AAAA

272ms

TXT

345ms

CAA

264ms

HTTPS

95ms

TLSA

319ms

SOA

123ms

MTA-STS

127ms

DNSSEC

264ms

SRV

0ms

Total

2454ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-22 16:10:57	750ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-19 03:08:08	1093ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 14:42:50	1139ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-25 20:31:48	1652ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-20 16:56:35	5518ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 13:20:28	942ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 13:53:41 shown	2454ms	2 NS 1 A 1 MX	🔒 Secure