koldso.dk

Records from scan: 2026-09-30 10:32:49 · 577ms total · last checked 2026-10-16 02:48 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

koldso.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It 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.koldso.dk. The zone is not DNSSEC-signed, publishes a 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 36ms

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 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
85.184.166.133	43200s	mail.nldtech.com	AS204274	AURA Fiber A/S	85.184.128.0/18	🇩🇰 Denmark	Brabrand

📧 MX Records#

1 records 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	mail.koldso.dk	85.184.166.133	mail.nldtech.com	AS204274 AURA Fiber A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	mail.nldtech.com → 85.184.166.133
🔶 Autoconfig	85.184.166.133

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 189ms

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

✉️ SPF#

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

📨 DMARC#

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

checked 2026-10-11 19:46:10

www	85.184.166.133 (AS204274) (address records, no CNAME)
www vs bare domain	Same network koldso.dk: 85.184.166.133 (AS204274) www.koldso.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#

78ms

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

🏷️ SOA#

48ms

Field	Value
Serial	2026092001
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

36ms

35ms

30ms

AAAA

34ms

TXT

189ms

CAA

37ms

HTTPS

45ms

TLSA

82ms

SOA

48ms

MTA-STS

63ms

DNSSEC

78ms

SRV

69ms

Total

577ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 10:32:49 shown	577ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-27 20:50:45	9467ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-21 07:33:57	9492ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-08 10:19:58	1261ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-28 09:44:39	863ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-25 18:06:57	2191ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-24 14:27:02	4334ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-24 00:06:13	1175ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-22 09:51:03	701ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-20 17:38:14	446ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 12:12:00	570ms	2 NS 1 A 1 MX	🔓 Insecure