opti-mal.dk

Records from scan: 2026-09-25 11:30:00 · 525ms total · last checked 2026-10-16 07:36 (unchanged)

⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 73ms

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 41ms

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 57ms

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 139ms

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#

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#

96ms

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

🏷️ SOA#

0ms

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#

73ms

41ms

57ms

AAAA

45ms

TXT

139ms

CAA

38ms

HTTPS

52ms

TLSA

66ms

SOA

0ms

MTA-STS

78ms

DNSSEC

96ms

SRV

88ms

Total

525ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-25 11:30:00 shown	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	620ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-18 06:58:26	605ms	2 NS 1 A 2 MX	🔒 Secure