o-b-s.dk

📜 Historical scan 2026-06-18 05:43:38 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

o-b-s.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 13 August 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.36.206.133 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by obs-dk0k.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 122ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 123ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.36.206.133	—	plesk02.grouponline.org	AS48854	team.blue Denmark A/S	46.36.204.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 122ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	obs-dk0k.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca04::a 2a01:111:f403:ca04::f 2a01:111:f403:ca09::c 52.101.68.18 52.101.68.39 52.101.73.1 52.101.73.4	mail-db4pr02cu00307.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am0pr83cu00404.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 → 40.98.16.76

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 2064ms

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

📝 TXT Records#

1 records 369ms

TXT Record
v=spf1 include:spf.protection.outlook.com ip4:193.8.36.0/22 -all

✉️ SPF#

Policy	Record (o-b-s.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com ip4:193.8.36.0/22 -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 2026-10-08 05:49:22

www	46.36.206.133 (AS48854) (address records, no CNAME)
www vs bare domain	Same network o-b-s.dk: 46.36.206.133 (AS48854) www.o-b-s.dk: 46.36.206.133 (AS48854)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-obs-dk0k._domainkey.dw1absdk.k-v1.dkim.mail.microsoft	RSA · ~2048 bit
selector2	selector2-obs-dk0k._domainkey.dw1absdk.k-v1.dkim.mail.microsoft	RSA · ~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#

251ms

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

🏷️ SOA#

122ms

Field	Value
Serial	2026011201
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-11 03:38:06

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2001-08-13
Expires	2027-09-30 (344d)

📋 WHOIS#

⏱️ Lookup Timing#

122ms

123ms

122ms

AAAA

122ms

TXT

369ms

CAA

127ms

HTTPS

122ms

TLSA

210ms

SOA

122ms

MTA-STS

91ms

DNSSEC

251ms

SRV

2064ms

Total

2805ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-08 19:51:45	2208ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-01 15:51:22	897ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-27 00:46:24	1174ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 05:50:01	974ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-19 19:09:02	1361ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 05:43:38 shown	2805ms	2 NS 1 A 1 MX	🔒 Secure