opera.dk

📜 Historical scan 2026-08-04 09:06:59 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

opera.dk is a .dk domain served by 2 nameservers (hans.ns.cloudflare.com, lia.ns.cloudflare.com). It was registered on 3 May 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.22.242 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by opera-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a 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 71ms

Nameserver	IP addresses	PTR	ASN / ISP
hans.ns.cloudflare.com	108.162.193.175 172.64.33.175 173.245.59.175 2606:4700:58::adf5:3baf 2803:f800:50::6ca2:c1af 2a06:98c1:50::ac40:21af	hans.ns.cloudflare.com hans.ns.cloudflare.com hans.ns.cloudflare.com hans.ns.cloudflare.com hans.ns.cloudflare.com hans.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
lia.ns.cloudflare.com	108.162.192.185 172.64.32.185 173.245.58.185 2606:4700:50::adf5:3ab9 2803:f800:50::6ca2:c0b9 2a06:98c1:50::ac40:20b9	lia.ns.cloudflare.com lia.ns.cloudflare.com lia.ns.cloudflare.com lia.ns.cloudflare.com lia.ns.cloudflare.com lia.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 84ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.22.242	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.207.221	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 119ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	opera-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca09::6 2a01:111:f403:ca09::c 2a01:111:f403:ca09::d 52.101.68.0 52.101.68.25 52.101.68.32 52.101.73.2	mail-dbapr03cu00100.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-as9pr07cu00302.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 → 52.98.213.184

🔷 AAAA Records (IPv6)#

2 records 127ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:16f2	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:cfdd	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 138ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.22.242,172.67.207.221 ech=AEX+DQBBFwAgACC4Zd2nIv9I6R2RJeQjEKsbB3GMnpVjZAZPuSRhhe0RDAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:16f2,2606:4700:3035::ac43:cfdd

📝 TXT Records#

1 records 316ms

TXT Record
v=spf1 a:brcjnqcksvkcstp.directoryup.com include:sendgrid.net include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (opera.dk)
-all (hard fail)	v=spf1 a:brcjnqcksvkcstp.directoryup.com include:sendgrid.net include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.opera.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:1cdc4736f9dc4769a71e33c46c5215e0@dmarc-reports.cloudflare.net

📬 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 2026-10-05 19:15:33

www	Address record (no CNAME)
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-opera-dk._domainkey.tdchosting1016295.y-v1.dkim.mail.microsoft	RSA · ~2048 bit
selector2	selector2-opera-dk._domainkey.tdchosting1016295.y-v1.dkim.mail.microsoft	RSA · ~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: 4/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

202ms

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	2410936414
Primary NS (MNAME)	hans.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-04 19:39:28

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2002-05-03
Expires	2027-06-30 (254d)

📋 WHOIS#

⏱️ Lookup Timing#

71ms

84ms

119ms

AAAA

127ms

TXT

316ms

CAA

118ms

HTTPS

138ms

TLSA

277ms

SOA

0ms

MTA-STS

169ms

DNSSEC

202ms

SRV

208ms

Total

1739ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-05 19:15:33	1239ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-04 19:10:39	1653ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 18:52:16	850ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-24 03:30:18	874ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-08 00:11:26	1025ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-04 09:06:59 shown	1739ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-11 19:02:38	1217ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-02 18:30:15	1512ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-19 23:25:57	716ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-19 14:11:45	1191ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 22:01:01	1169ms	2 NS 2 A 1 MX	🔓 Insecure