o-as.dk

📜 Historical scan 2026-09-04 12:56:14 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

o-as.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 29 April 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.36.206.131 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by oas-dk0c.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a 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#

3 records 29ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.36.206.131	3600s	plesk04.grouponline.org	AS48854	team.blue Denmark A/S	46.36.204.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 26ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	oas-dk0c.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca09::6 2a01:111:f403:ca3c::6 2a01:111:f403:ca48::8 52.101.181.156 52.101.68.10 52.101.68.18 52.101.73.145	mail-db9pr02cu00204.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-zrxpr04cu00106.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-wa4pr05cu00104.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-am6pr02cu00301.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	46.36.206.131

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 134ms

TXT Record
v=spf1 mx a ip4:93.90.117.1/24 ip4:93.90.115.1/24 include:spf.protection.outlook.com include:_custspf.one.com include:spf.curanet.dk include:spf.simply.com -all

✉️ SPF#

Policy	Record (o-as.dk)
-all (hard fail)	v=spf1 mx a ip4:93.90.117.1/24 ip4:93.90.115.1/24 include:spf.protection.outlook.com include:_custspf.one.com include:spf.curanet.dk include:spf.simply.com -all

📨 DMARC#

Policy	Record (_dmarc.o-as.dk)
p=quarantine	v=DMARC1; p=quarantine

📬 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 2026-10-13 03:09:55

www	46.36.206.131 (AS48854) (address records, no CNAME)
www vs bare domain	Same network o-as.dk: 46.36.206.131 (AS48854) www.o-as.dk: 46.36.206.131 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 8/10 · policy: -all

warn 8 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

68ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2025101402
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-13 03:21:44

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2009-04-29
Expires	2027-04-30 (190d)

🔗 Same registrant#

1 domain

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
ostergaardas.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

29ms

30ms

26ms

AAAA

30ms

TXT

134ms

CAA

29ms

HTTPS

44ms

TLSA

600ms

SOA

0ms

MTA-STS

55ms

DNSSEC

68ms

SRV

52ms

Total

1120ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 03:09:55	903ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-02 16:27:50	1229ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-30 16:12:55	1040ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-30 04:58:21	754ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-04 12:56:14 shown	1120ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-26 23:49:30	1216ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-18 05:23:43	1025ms	3 NS 1 A 1 MX	🔓 Insecure