preotec.dk DNS records

🖥️ Nameservers2 records 62ms

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 Records2 records 71ms

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 59ms

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 Records1 records 72ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.17.49,172.67.222.79 ech=AEX+DQBBRAAgACDYnv9+PL+keWv1TnVKLsI702zL/ow2lTFJ+sEJmsd5OwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:1131,2606:4700:3034::ac43:de4f

📝 TXT Records1 records 199ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC109ms

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

🏷️ SOA0ms

Field	Value
Serial	2413014959
Primary NS (MNAME)	martin.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

62ms

A

71ms

MX

86ms

AAAA

59ms

TXT

199ms

CAA

71ms

HTTPS

72ms

TLSA

67ms

SOA

0ms

MTA-STS

86ms

DNSSEC

109ms

SRV

91ms

Total

568ms

🕐 Scan History

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