oxygensoftware.dk DNS records

🖥️ Nameservers2 records 33ms

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 Records1 records 73ms

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 Records1 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	oxygensoftware-dk.mail.eo.outlook.com	52.101.68.10 52.101.68.18 52.101.73.30 52.101.73.6	mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-am7pr05cu00306.inbound.protection.outlook.com mail-am6pr04cu00306.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 → 40.98.16.6
🔶 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 Records1 records 273ms

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

📝 TXT Records2 records 286ms

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

🔏 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)

🔐 DNSSEC79ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA81ms

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

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

33ms

A

73ms

MX

43ms

AAAA

71ms

TXT

286ms

CAA

79ms

HTTPS

81ms

TLSA

1070ms

SOA

81ms

MTA-STS

292ms

DNSSEC

79ms

SRV

273ms

Total

1845ms

🕐 Scan History

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