preotec.dk

Records from scan: 2026-10-12 19:46:54 · 595ms total · last checked 2026-10-20 02:12 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

preotec.dk is a .dk domain served by 2 nameservers (martin.ns.cloudflare.com, rosalyn.ns.cloudflare.com). It was registered on 21 April 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.17.49 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 30ms

Nameserver	IP addresses	PTR	ASN / ISP
martin.ns.cloudflare.com	108.162.195.87 162.159.44.87 172.64.35.87 2606:4700:58::a29f:2c57 2803:f800:50::6ca2:c357 2a06:98c1:50::ac40:2357	martin.ns.cloudflare.com martin.ns.cloudflare.com martin.ns.cloudflare.com martin.ns.cloudflare.com martin.ns.cloudflare.com martin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
rosalyn.ns.cloudflare.com	108.162.194.59 162.159.38.59 172.64.34.59 2606:4700:50::a29f:263b 2803:f800:50::6ca2:c23b 2a06:98c1:50::ac40:223b	rosalyn.ns.cloudflare.com rosalyn.ns.cloudflare.com rosalyn.ns.cloudflare.com rosalyn.ns.cloudflare.com rosalyn.ns.cloudflare.com rosalyn.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.17.49	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.222.79	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 47ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::6815:1131	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:de4f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 34ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.17.49,172.67.222.79 ech=AEX+DQBBuQAgACBJd9yXs07dlRnZ68LhTwNCPlph9bOtO6ibiePn44zcaAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:1131,2606:4700:3034::ac43:de4f

📝 TXT Records#

1 records 162ms

TXT Record
v=spf1 mx -all

✉️ SPF#

Policy	Record (preotec.dk)
-all (hard fail)	v=spf1 mx -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#

checked 2026-10-12 19:46:54

www	104.21.17.49 172.67.222.79 2606:4700:3034::6815:1131 2606:4700:3034::ac43:de4f (AS13335) (address records, no CNAME)
www vs bare domain	Same network preotec.dk: 104.21.17.49 172.67.222.79 2606:4700:3034::6815:1131 2606:4700:3034::ac43:de4f (AS13335) www.preotec.dk: 104.21.17.49 172.67.222.79 2606:4700:3034::6815:1131 2606:4700:3034::ac43:de4f (AS13335)
Wildcard	No

🔎 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#

129ms

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

🏷️ SOA#

37ms

Field	Value
Serial	2417287999
Primary NS (MNAME)	martin.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-11 08:29:19

Field	Value
Registrar	united-domains GmbH
Registered	2022-04-21
Expires	2027-04-20 (181d)

📋 WHOIS#

⏱️ Lookup Timing#

30ms

42ms

41ms

AAAA

47ms

TXT

162ms

CAA

39ms

HTTPS

34ms

TLSA

51ms

SOA

37ms

MTA-STS

74ms

DNSSEC

129ms

SRV

60ms

Total

595ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 19:46:54 shown	595ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-06 10:13:34	10314ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-24 16:44:00	568ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-23 11:36:38	870ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-15 00:37:09	3077ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-29 00:37:19	694ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-25 04:44:17	700ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-23 13:42:03	1158ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-21 09:44:48	1171ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-19 04:47:53	3521ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 12:55:04	2725ms	2 NS 2 A 0 MX	🔓 Insecure