prefix.dk DNS records

🖥️ Nameservers2 records 51ms

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 Records1 records 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
49.13.4.218	60s	mail.prefix.dk	AS24940	Hetzner Online GmbH	49.12.0.0/15	🇩🇪 Germany	Falkenstein

📧 MX Records2 records 51ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	60s	heracles.mxrouting.net	65.109.144.50	static.50.144.109.65.clients.your-server.de	AS24940 Hetzner Online GmbH
20	60s	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 Records1 records 152ms

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

🔏 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)

🔐 DNSSEC85ms

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	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

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

51ms

A

50ms

MX

51ms

AAAA

43ms

TXT

152ms

CAA

63ms

HTTPS

44ms

TLSA

404ms

SOA

0ms

MTA-STS

68ms

DNSSEC

85ms

SRV

64ms

Total

987ms

🕐 Scan History

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