koeler.dk

📜 Historical scan 2026-09-11 13:46:52 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

koeler.dk is a .dk domain served by 3 nameservers (dns1.rackhosting.com, dns2.rackhosting.com, dns3.rackhosting.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.247.78.2 is hosted by Rackhosting.com ApS (AS31590) in Denmark. Mail is handled by mail.koeler.dk. The zone is not DNSSEC-signed, 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#

3 records 34ms

Nameserver	IP addresses	PTR	ASN / ISP
dns1.rackhosting.com	77.247.69.212	dns1.rackhosting.com	AS31590 Rackhosting.com ApS
dns2.rackhosting.com	45.32.187.211	dns2.rackhosting.com	AS20473 The Constant Company, LLC
dns3.rackhosting.com	77.247.69.213	dns3.rackhosting.com	AS31590 Rackhosting.com ApS

🌍 A Records#

1 records 2043ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.247.78.2	86398s	vps189.rackhosting.com	AS31590	Rackhosting.com ApS	77.247.64.0/20	🇩🇰 Denmark	—

📧 MX Records#

1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	86400s	mail.koeler.dk	77.247.78.2	vps189.rackhosting.com	AS31590 Rackhosting.com ApS

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-10-11 15:32:47

www CNAME	koeler.dk (all on koeler.dk) → 77.247.78.2 (AS31590)
www vs bare domain	Same network koeler.dk: 77.247.78.2 (AS31590) www.koeler.dk: 77.247.78.2 (AS31590)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔗 TLSA / DANE#

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

🔐 DNSSEC#

83ms

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

🏷️ SOA#

0ms

Field	Value
Serial	1785669835
Primary NS (MNAME)	dns1.rackhosting.com
Responsible (RNAME)	kontakt@certa-web.com
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	10800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

34ms

2043ms

35ms

AAAA

47ms

TXT

224ms

CAA

50ms

HTTPS

46ms

TLSA

61ms

SOA

0ms

MTA-STS

55ms

DNSSEC

83ms

SRV

74ms

Total

2446ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 21:51:45	1651ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-20 23:38:49	9461ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-11 13:46:52 shown	2446ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-25 11:28:19	741ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-07 07:23:05	737ms	3 NS 1 A 1 MX	❓ Unknown
2026-06-19 21:38:05	2106ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-18 06:07:07	746ms	3 NS 1 A 1 MX	🔓 Insecure