prefix.dk

📜 Historical scan 2026-06-25 02:39:09 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

prefix.dk is a .dk domain served by 2 nameservers (brad.ns.cloudflare.com, melody.ns.cloudflare.com). It was registered on 23 March 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 49.13.4.218 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by heracles.mxrouting.net, heracles-relay.mxrouting.net. The zone is not DNSSEC-signed, 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 25ms

Nameserver	IP addresses	PTR	ASN / ISP
brad.ns.cloudflare.com	108.162.193.105 172.64.33.105 173.245.59.105 2606:4700:58::adf5:3b69 2803:f800:50::6ca2:c169 2a06:98c1:50::ac40:2169	brad.ns.cloudflare.com brad.ns.cloudflare.com brad.ns.cloudflare.com brad.ns.cloudflare.com brad.ns.cloudflare.com brad.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
melody.ns.cloudflare.com	108.162.194.250 162.159.38.250 172.64.34.250 2606:4700:50::a29f:26fa 2803:f800:50::6ca2:c2fa 2a06:98c1:50::ac40:22fa	melody.ns.cloudflare.com melody.ns.cloudflare.com melody.ns.cloudflare.com melody.ns.cloudflare.com melody.ns.cloudflare.com melody.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
49.13.4.218	600s	mail.prefix.dk	AS24940	Hetzner Online GmbH	49.12.0.0/15	🇩🇪 Germany	Falkenstein

📧 MX Records#

2 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	heracles.mxrouting.net	65.109.144.50	static.50.144.109.65.clients.your-server.de	AS24940 Hetzner Online GmbH
20	600s	heracles-relay.mxrouting.net	65.109.144.50	static.50.144.109.65.clients.your-server.de	AS24940 Hetzner Online GmbH

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	prefix.dk → 49.13.4.218
🔶 Autoconfig	prefix.dk → 49.13.4.218

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 212ms

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

✉️ SPF#

Policy	Record (prefix.dk)
-all (hard fail)	v=spf1 include:mxroute.com -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#

latest probe, not this scan · checked 2026-10-08 09:57:46

www CNAME	prefix.dk (all on prefix.dk) → 49.13.4.218 (AS24940)
www vs bare domain	Same network prefix.dk: 49.13.4.218 (AS24940) www.prefix.dk: 49.13.4.218 (AS24940)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.prefix.dk	prefix.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

82ms

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

🏷️ SOA#

31ms

Field	Value
Serial	2400213406
Primary NS (MNAME)	brad.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-10 21:00:46

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2005-03-23
Expires	2027-03-31 (164d)

📋 WHOIS#

⏱️ Lookup Timing#

25ms

35ms

AAAA

35ms

TXT

212ms

CAA

75ms

HTTPS

34ms

TLSA

253ms

SOA

31ms

MTA-STS

53ms

DNSSEC

82ms

SRV

91ms

Total

1269ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-01 10:17:46	987ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-25 02:39:09 shown	1269ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-17 23:51:19	895ms	2 NS 1 A 2 MX	🔓 Insecure