optera.dk

Records from scan: 2026-09-30 16:15:16 · 1677ms total · last checked 2026-10-17 07:06 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

optera.dk is a .dk domain served by 2 nameservers (ram.ns.cloudflare.com, simone.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.13.78 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by optera-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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 77ms

Nameserver	IP addresses	PTR	ASN / ISP
ram.ns.cloudflare.com	108.162.193.225 172.64.33.225 173.245.59.225 2606:4700:58::adf5:3be1 2803:f800:50::6ca2:c1e1 2a06:98c1:50::ac40:21e1	ram.ns.cloudflare.com ram.ns.cloudflare.com ram.ns.cloudflare.com ram.ns.cloudflare.com ram.ns.cloudflare.com ram.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
simone.ns.cloudflare.com	108.162.194.26 162.159.38.26 172.64.34.26 2606:4700:50::a29f:261a 2803:f800:50::6ca2:c21a 2a06:98c1:50::ac40:221a	simone.ns.cloudflare.com simone.ns.cloudflare.com simone.ns.cloudflare.com simone.ns.cloudflare.com simone.ns.cloudflare.com simone.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 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.13.78	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.198.208	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 51ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	optera-dk.mail.protection.outlook.com	2a01:111:f403:c967:: 2a01:111:f403:c967::2 2a01:111:f403:c967::4 2a01:111:f403:c967::6 52.101.209.2 52.101.209.4 52.101.209.6 52.101.209.74	mail-cpcp307cu00400.inbound.protection.outlook.com mail-cpap307cu00402.inbound.protection.outlook.com mail-cpap307cu00204.inbound.protection.outlook.com mail-cpcp307cu00206.inbound.protection.outlook.com mail-cpap307cu00402.inbound.protection.outlook.com mail-cpap307cu00204.inbound.protection.outlook.com mail-cpcp307cu00206.inbound.protection.outlook.com mail-cpcp307cu00402.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 → 40.104.116.24

🔷 AAAA Records (IPv6)#

2 records 42ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:c6d0	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:d4e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 29ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.13.78,172.67.198.208 ech=AEX+DQBBfQAgACDNaAfAfAoQPHxoVrmj1DP8fqwD3X325HwHcrQv7Gf/CAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:c6d0,2606:4700:3035::6815:d4e

📝 TXT Records#

3 records 174ms

TXT Record
google-site-verification=iTmGfes0g_OQLem3gJ1BtPHM5IxAWZUuSgSQZwksLI4
MS=ms32346558
v=spf1 include:spf.protection.outlook.com include:spf-eu.emailsignatures365.com -all

✉️ SPF#

Policy	Record (optera.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf-eu.emailsignatures365.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#

checked 2026-10-07 18:00:52

www	NXDOMAIN
www vs bare domain	www does not resolve optera.dk: 104.21.13.78 172.67.198.208 2606:4700:3030::ac43:c6d0 2606:4700:3035::6815:d4e (AS13335) www.optera.dk: no address (all like this)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

66ms

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

🏷️ SOA#

43ms

Field	Value
Serial	2415587568
Primary NS (MNAME)	ram.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#

77ms

50ms

51ms

AAAA

42ms

TXT

174ms

CAA

41ms

HTTPS

29ms

TLSA

647ms

SOA

43ms

MTA-STS

55ms

DNSSEC

66ms

SRV

69ms

Total

1677ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 16:15:16 shown	1677ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-24 01:37:27	1004ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-19 07:12:48	3271ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-25 04:55:57	9542ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-30 03:51:20	791ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-27 11:51:18	938ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 12:54:34	2412ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 06:45:40	808ms	2 NS 1 A 1 MX	🔒 Secure