og-optik.dk

Records from scan: 2026-10-03 00:03:35 · 396ms total · last checked 2026-10-23 08:26 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

og-optik.dk is a .dk domain served by 2 nameservers (ns1.kortermann-hosting.dk, ns2.kortermann-hosting.dk). It was registered on 30 October 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx1.onlinemail.io. The zone is not DNSSEC-signed, 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 25ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.kortermann-hosting.dk	94.231.105.180	vdom105.net.dk2.zitcom.dk	AS48854 team.blue Denmark A/S
ns2.kortermann-hosting.dk	94.231.105.146	—	AS48854 team.blue Denmark A/S

🌍 A Records#

🌍

No A records found

📧 MX Records#

1 records 24ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.onlinemail.io	185.21.42.12	mx1.onlinemail.io	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover-mf.onlinemail.io → 185.21.40.62
🔶 Autoconfig	autoconfig-mf.onlinemail.io → 185.21.40.62

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 161ms

TXT Record
v=spf1 +a +mx include:spf.securesmtp.dk include:spf.onlinemail.io -all

✉️ SPF#

Policy	Record (og-optik.dk)
-all (hard fail)	v=spf1 +a +mx include:spf.securesmtp.dk include:spf.onlinemail.io -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 2026-10-12 12:13:39

www CNAME	og-optik.dk (all on og-optik.dk)
www vs bare domain	Neither resolves og-optik.dk: no address www.og-optik.dk: no address
Wildcard	No

🔎 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#

106ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

44ms

Field	Value
Serial	2023022002
Primary NS (MNAME)	ns1.kortermann-hosting.dk
Responsible (RNAME)	hostmaster@kortermann-hosting.dk
Refresh	14400s
Retry	7200s
Expire	2419200s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-06 21:46:32

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2004-10-30
Expires	2026-10-31 (8d)

📋 WHOIS#

⏱️ Lookup Timing#

25ms

26ms

24ms

AAAA

39ms

TXT

161ms

CAA

25ms

HTTPS

36ms

TLSA

39ms

SOA

44ms

MTA-STS

69ms

DNSSEC

106ms

SRV

85ms

Total

396ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 00:03:35 shown	396ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-30 01:44:35	373ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-17 17:02:39	2527ms	2 NS 0 A 1 MX	🔓 Insecure