opti-mal.dk

📜 Historical scan 2026-06-25 05:19:43 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

opti-mal.dk is a .dk domain served by 2 nameservers (ns1.aveo.dk, ns2.aveo.dk). It was registered on 10 July 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.246 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx1.onlinemail.io, mx2.onlinemail.io. 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 50ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.aveo.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.aveo.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 67ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.246	3600s	linux5.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

2 records 48ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	mx1.onlinemail.io	185.21.42.12	mx1.onlinemail.io	AS48854 team.blue Denmark A/S
20	600s	mx2.onlinemail.io	46.36.208.16	mx2.onlinemail.io	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	185.21.40.246
🔶 Autoconfig	185.21.40.246

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 239ms

TXT Record
v=spf1 include:spf.onlinemail.io include:spf.curanet.dk -all

✉️ SPF#

Policy	Record (opti-mal.dk)
-all (hard fail)	v=spf1 include:spf.onlinemail.io include:spf.curanet.dk -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 2026-10-09 20:23:13

www	185.21.40.246 (AS48854) (address records, no CNAME)
www vs bare domain	Same network opti-mal.dk: 185.21.40.246 (AS48854) www.opti-mal.dk: 185.21.40.246 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 6/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

78ms

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

🏷️ SOA#

42ms

Field	Value
Serial	2023022302
Primary NS (MNAME)	ns1.aveo.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-08 12:14:17

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2009-07-10
Expires	2027-07-31 (287d)

📋 WHOIS#

⏱️ Lookup Timing#

50ms

67ms

48ms

AAAA

30ms

TXT

239ms

CAA

33ms

HTTPS

30ms

TLSA

49ms

SOA

42ms

MTA-STS

30ms

DNSSEC

78ms

SRV

214ms

Total

620ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-25 11:30:00	525ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-26 13:31:20	892ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-07 15:38:23	723ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-05 08:28:01	973ms	1 NS 0 A 0 MX	❓ Unknown
2026-06-25 05:19:43 shown	620ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-18 06:58:26	605ms	2 NS 1 A 2 MX	🔒 Secure