opas.dk

📜 Historical scan 2026-08-21 17:39:45 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

opas.dk is a .dk domain served by 2 nameservers (barbara.ns.cloudflare.com, justin.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.92.32 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by opas-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 41ms

Nameserver	IP addresses	PTR	ASN / ISP
barbara.ns.cloudflare.com	108.162.192.248 172.64.32.248 173.245.58.248 2606:4700:50::adf5:3af8 2803:f800:50::6ca2:c0f8 2a06:98c1:50::ac40:20f8	barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
justin.ns.cloudflare.com	108.162.193.187 172.64.33.187 173.245.59.187 2606:4700:58::adf5:3bbb 2803:f800:50::6ca2:c1bb 2a06:98c1:50::ac40:21bb	justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.92.32	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.185.205	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	opas-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::1 2a01:111:f403:ca04::c 2a01:111:f403:ca09::6 52.101.73.153 52.101.73.16 52.101.73.28 52.101.73.30	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db7pr03cu00401.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00204.inbound.protection.outlook.com mail-am7pr05cu00306.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 → 40.104.116.56

🔷 AAAA Records (IPv6)#

2 records 31ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::ac43:b9cd	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:5c20	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 38ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.92.32,172.67.185.205 ech=AEX+DQBBLQAgACCVijVnrdTiGn5EZuGMPclZj6RX3RXcaLkcIxSe2++TQgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:b9cd,2606:4700:3036::6815:5c20

📝 TXT Records#

1 records 194ms

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

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.opas.dk	lVZiTeaQNGnK6TvkfcmP_jvShp1TtYRGpssUAjXg85c
TXT	_acme-challenge.opas.dk	vI9st4QEBpEflYj6mFXmnvGl93BXIFxR31Doy1sZDUs

🔗 TLSA / DANE#

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

🔐 DNSSEC#

96ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2412776618
Primary NS (MNAME)	barbara.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

41ms

36ms

39ms

AAAA

31ms

TXT

194ms

CAA

41ms

HTTPS

38ms

TLSA

766ms

SOA

0ms

MTA-STS

77ms

DNSSEC

96ms

SRV

66ms

Total

2283ms

🕐 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 shown	2283ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-19 17:25:25	1217ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 06:27:41	1237ms	2 NS 1 A 1 MX	🔒 Secure