koldsoe.dk

📜 Historical scan 2026-06-17 12:08:14 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

koldsoe.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 31 March 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 85.184.166.133 is hosted by AURA Fiber A/S (AS204274) in Denmark. Mail is handled by mail.koldsoe.dk. The zone is not DNSSEC-signed, publishes a 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 96ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 89ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
85.184.166.133	—	mail.nldtech.com	AS204274	AURA Fiber A/S	85.184.128.0/18	🇩🇰 Denmark	Viby J

📧 MX Records#

1 records 95ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mail.koldsoe.dk	85.184.166.133	mail.nldtech.com	AS204274 AURA Fiber A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 209ms

TXT Record
v=spf1 include:nldtech.com -all

✉️ SPF#

Policy	Record (koldsoe.dk)
-all (hard fail)	v=spf1 include:nldtech.com -all

📨 DMARC#

Policy	Record (_dmarc.koldsoe.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc-feedback@koldsoe.dk

📬 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 2026-10-13 00:32:53

www	85.184.166.133 (AS204274) (address records, no CNAME)
www vs bare domain	Same network koldsoe.dk: 85.184.166.133 (AS204274) www.koldsoe.dk: 85.184.166.133 (AS204274)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

116ms

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

🏷️ SOA#

43ms

Field	Value
Serial	2026032401
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-13 00:50:11

Field	Value
Registrar	DANDOMAIN A/S
Registered	2024-03-31
Expires	2027-03-30 (163d)

🔗 Same registrant#

1 domain

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).

Domain	Registrar
koldso.dk	DANDOMAIN A/S

📋 WHOIS#

⏱️ Lookup Timing#

96ms

89ms

95ms

AAAA

39ms

TXT

209ms

CAA

71ms

HTTPS

39ms

TLSA

78ms

SOA

43ms

MTA-STS

125ms

DNSSEC

116ms

SRV

0ms

Total

576ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 00:32:53	624ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-22 05:23:29	645ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-18 18:15:02	603ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-04 15:39:59	13527ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-30 03:13:18	610ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-21 11:00:55	859ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-20 21:37:51	1125ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 12:08:14 shown	576ms	2 NS 1 A 1 MX	🔓 Insecure