preferos.dk

📜 Historical scan 2026-06-25 16:03:27 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

preferos.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 11 May 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.167.221.241 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by .. The zone is DNSSEC-signed and validates, 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#

2 records 135ms

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 145ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
80.167.221.241	900s	80-167-221-241-cable.dk.customer.tdc.net	AS3292	TDC Holding A/S	80.160.0.0/13	🇩🇰 Denmark	Aarhus

📧 MX Records#

1 records 180ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	. Null MX — domain accepts no email (RFC 7505)

🔷 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 2026-10-10 17:24:34

www	80.167.221.241 (AS3292) (address records, no CNAME)
www vs bare domain	Same network preferos.dk: 80.167.221.241 (AS3292) www.preferos.dk: 80.167.221.241 (AS3292)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

704ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

244ms

Field	Value
Serial	2026061001
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 2026-10-10 17:41:10

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2016-05-11
Expires	2027-05-31 (221d)

📋 WHOIS#

⏱️ Lookup Timing#

135ms

145ms

180ms

AAAA

191ms

TXT

710ms

CAA

348ms

HTTPS

402ms

TLSA

225ms

SOA

244ms

MTA-STS

343ms

DNSSEC

704ms

SRV

381ms

Total

2103ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 17:24:34	792ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 00:38:31	514ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 14:26:17	444ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-17 12:50:44	542ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-10 17:18:21	748ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-10 16:05:59	666ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-15 02:10:42	530ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-12 09:53:12	1340ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 16:03:27 shown	2103ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 04:30:17	1116ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 15:52:15	895ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 19:57:23	494ms	2 NS 1 A 0 MX	🔒 Secure