koester.dk

📜 Historical scan 2026-06-17 13:11:11 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

koester.dk is a .dk domain served by 5 nameservers (auth1.dns.gobler.net, auth2.dns.gobler.net, auth3.dns.gobler.net and 2 more). It was registered on 22 December 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by smtp.gobler.net. 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#

5 records 310ms

Nameserver	IP addresses	PTR	ASN / ISP
auth1.dns.gobler.net	185.141.144.2 2a07:2500:1::53	auth1.dns.gobler.net auth1.dns.gobler.net	AS48374 MH HOLDING AF 1. JUNI 2009 ApS AS48374 MH HOLDING AF 1. JUNI 2009 ApS
auth2.dns.gobler.net	185.141.146.2 2a07:2500:2::53	auth2.dns.gobler.net auth2.dns.gobler.net	AS48374 MH HOLDING AF 1. JUNI 2009 ApS AS48374 MH HOLDING AF 1. JUNI 2009 ApS
auth3.dns.gobler.net	193.163.221.142	—	AS5491 Jan Olsson
auth4.dns.gobler.net	2001:19f0:5001:260::53 45.32.184.105	dantooine.gobler.net dantooine.gobler.net	AS20473 The Constant Company, LLC AS20473 The Constant Company, LLC
auth5.dns.gobler.net	2001:19f0:6c01:22::53 45.32.155.166	hoth.gobler.net hoth.gobler.net	AS20473 The Constant Company, LLC AS20473 The Constant Company, LLC

🌍 A Records#

🌍

No A records found

📧 MX Records#

1 records 102ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	smtp.gobler.net	185.141.144.41 2a07:2500:1:a::41	smtp.gobler.net smtp.gobler.net	AS48374 MH HOLDING AF 1. JUNI 2009 ApS AS48374 MH HOLDING AF 1. JUNI 2009 ApS

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 374ms

TXT Record
v=spf1 mx a:mail.gobler.net a:messenger.gobler.net ~all

✉️ SPF#

Policy	Record (koester.dk)
~all (soft fail)	v=spf1 mx a:mail.gobler.net a:messenger.gobler.net ~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 20:00:42

www	NXDOMAIN
www vs bare domain	Neither resolves koester.dk: no address www.koester.dk: no address
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

233ms

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#

112ms

Field	Value
Serial	2021122200
Primary NS (MNAME)	auth1.dns.gobler.net
Responsible (RNAME)	hostmaster@gobler.net
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-16 16:58:08

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1998-12-22
Expires	2035-12-31 (3362d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

310ms

115ms

102ms

AAAA

151ms

TXT

374ms

CAA

102ms

HTTPS

100ms

TLSA

287ms

SOA

112ms

MTA-STS

147ms

DNSSEC

233ms

SRV

0ms

Total

2906ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-27 05:17:19	2500ms	5 NS 0 A 1 MX	🔓 Insecure
2026-09-18 17:55:17	1455ms	5 NS 0 A 1 MX	🔓 Insecure
2026-06-24 00:42:06	1191ms	5 NS 0 A 1 MX	🔓 Insecure
2026-06-17 13:11:11 shown	2906ms	5 NS 0 A 1 MX	🔓 Insecure