oxygensoftware.dk

📜 Historical scan 2026-06-25 22:47:08 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

oxygensoftware.dk is a .dk domain served by 2 nameservers (ns1.123hotel.dk, ns2.123hotel.dk). It was registered on 12 February 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.109.69 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by oxygensoftware-dk.mail.eo.outlook.com. The zone is DNSSEC-signed and validates, 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#

2 records 226ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.123hotel.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
ns2.123hotel.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 225ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.109.69	3600s	—	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

1 records 228ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	oxygensoftware-dk.mail.eo.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::8 2a01:111:f403:ca04::b 2a01:111:f403:ca09::1	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.40
🔶 Autoconfig	www.oxygen.dk → 20.105.216.31

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 547ms

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

📝 TXT Records#

2 records 465ms

TXT Record
MS=ms11288289
v=spf1 mx ip4:94.231.106.100 mx ip4:93.160.59.162 mx ip4:94.231.109.40 mx ip4:94.231.109.69 mx ip4:93.160.59.162 mx:oxygensoftware-dk.mail.eo.outlook.com ip4:94.231.108.223 include:outlook.com include:spf.protection.outlook.com ~all

✉️ SPF#

Policy	Record (oxygensoftware.dk)
~all (soft fail)	v=spf1 mx ip4:94.231.106.100 mx ip4:93.160.59.162 mx ip4:94.231.109.40 mx ip4:94.231.109.69 mx ip4:93.160.59.162 mx:oxygensoftware-dk.mail.eo.outlook.com ip4:94.231.108.223 include:outlook.com include:spf.protection.outlook.com ~all

📨 DMARC#

Policy	Record (_dmarc.oxygensoftware.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:mp@oxygen.dk

📬 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 2026-10-12 06:30:44

www	94.231.109.69 (AS48854) (address records, no CNAME)
www vs bare domain	Same network oxygensoftware.dk: 94.231.109.69 (AS48854) www.oxygensoftware.dk: 94.231.109.69 (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

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-oxygensoftware-dk._domainkey.oxygenoffice.onmicrosoft.com	RSA · ~1024 bit below 2048 bit
selector2	selector2-oxygensoftware-dk._domainkey.oxygenoffice.onmicrosoft.com	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: 9/10 · policy: ~all

warn 9 of the 10 allowed DNS lookups used: one more include can break SPF

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.oxygensoftware.dk	www.oxygen.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

362ms

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

🏷️ SOA#

221ms

Field	Value
Serial	2025110702
Primary NS (MNAME)	ns1.123hotel.dk
Responsible (RNAME)	hostmaster@123hotel.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-18 13:48:24

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2003-02-12
Expires	2027-02-28 (129d)

🔗 Same registrant#

5 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).

Domain	Registrar
fritagelsessystem.dk	Punktum dk A/S (direct)
oneoff.dk	Punktum dk A/S (direct)
oxygenservice.dk	Punktum dk A/S (direct)
sitecoreintranetkit.dk	Punktum dk A/S (direct)
stramkode.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

226ms

225ms

228ms

AAAA

219ms

TXT

465ms

CAA

249ms

HTTPS

188ms

TLSA

735ms

SOA

221ms

MTA-STS

297ms

DNSSEC

362ms

SRV

547ms

Total

2452ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-23 19:36:36	611ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 05:20:13	1845ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 22:47:08 shown	2452ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 02:08:40	4758ms	2 NS 1 A 1 MX	⚠️ Bogus
2026-06-18 00:35:50	1247ms	2 NS 1 A 1 MX	🔒 Secure