opera.dk DNS records

🖥️ Nameservers2 records 38ms

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 Records2 records 42ms

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 Records1 records 48ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	opera-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca04::e 2a01:111:f403:ca09:: 2a01:111:f403:ca09::d 52.101.68.12 52.101.68.15 52.101.68.8 52.101.73.12	mail-db5pr02cu00100.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am4pr0401cu00104.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 → 52.98.149.136

🔷 AAAA Records (IPv6)2 records 33ms

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 Records1 records 41ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.22.242,172.67.207.221 ech=AEX+DQBBbQAgACC39mcBuptEpmUi/oaNB/rhy+0SvqHpaJEoLHeJJNDOWQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:16f2,2606:4700:3035::ac43:cfdd

📝 TXT Records1 records 238ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC136ms

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

🏷️ SOA0ms

Field	Value
Serial	2409105772
Primary NS (MNAME)	hans.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

38ms

A

42ms

MX

48ms

AAAA

33ms

TXT

238ms

CAA

39ms

HTTPS

41ms

TLSA

162ms

SOA

0ms

MTA-STS

73ms

DNSSEC

136ms

SRV

248ms

Total

1217ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-04 09:06:59	1739ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-11 19:02:38	1217ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-02 18:30:15	1512ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-19 23:25:57	716ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-19 14:11:45	1191ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 22:01:01	1169ms	2 NS 2 A 1 MX	🔓 Insecure	View