opas.dk

📜 Historical scan 2026-06-19 17:25:25 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

opas.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.221 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by opas-dk.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 97ms

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 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.221	3600s	vm1212.enterprisecloud.nu	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	opas-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::7 2a01:111:f403:ca09::5 2a01:111:f403:ca09::b 52.101.68.12 52.101.68.18 52.101.73.11 52.101.73.24	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-as8pr05cu00300.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 → 40.104.116.40

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 237ms

TXT Record
v=spf1 include:spf.curanet.dk include:web.shared.mysmtp.com include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (opas.dk)
-all (hard fail)	v=spf1 include:spf.curanet.dk include:web.shared.mysmtp.com include:spf.protection.outlook.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 2026-10-08 21:35:40

www	104.21.92.32 172.67.185.205 2606:4700:3034::ac43:b9cd 2606:4700:3036::6815:5c20 (AS13335) (address records, no CNAME)
www vs bare domain	Same network opas.dk: 104.21.92.32 172.67.185.205 2606:4700:3034::ac43:b9cd 2606:4700:3036::6815:5c20 (AS13335) www.opas.dk: 104.21.92.32 172.67.185.205 2606:4700:3034::ac43:b9cd 2606:4700:3036::6815:5c20 (AS13335)
Wildcard	No

🔎 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#

103ms

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

🏷️ SOA#

102ms

Field	Value
Serial	2023061501
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

97ms

41ms

43ms

AAAA

30ms

TXT

237ms

CAA

42ms

HTTPS

90ms

TLSA

684ms

SOA

102ms

MTA-STS

105ms

DNSSEC

103ms

SRV

126ms

Total

1217ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 19:53:45	1385ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 07:04:11	924ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-22 17:46:36	2848ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-21 17:39:45	2283ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-19 17:25:25 shown	1217ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 06:27:41	1237ms	2 NS 1 A 1 MX	🔒 Secure