fp4.dk DNS records

🖥️ Nameservers2 records 244ms

Nameserver	IP addresses	PTR	ASN / ISP
dorthy.ns.cloudflare.com	108.162.192.249 172.64.32.249 173.245.58.249 2606:4700:50::adf5:3af9 2803:f800:50::6ca2:c0f9 2a06:98c1:50::ac40:20f9	dorthy.ns.cloudflare.com dorthy.ns.cloudflare.com dorthy.ns.cloudflare.com dorthy.ns.cloudflare.com dorthy.ns.cloudflare.com dorthy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
felicity.ns.cloudflare.com	108.162.195.212 162.159.44.212 172.64.35.212 2606:4700:58::a29f:2cd4 2803:f800:50::6ca2:c3d4 2a06:98c1:50::ac40:23d4	felicity.ns.cloudflare.com felicity.ns.cloudflare.com felicity.ns.cloudflare.com felicity.ns.cloudflare.com felicity.ns.cloudflare.com felicity.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records

🌍

No A records found

📧 MX Records2 records 264ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	60s	mail.protonmail.ch	176.119.200.128 185.205.70.128 185.70.42.128	mail.protonmail.ch mail.protonmail.ch mail.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG
20	60s	mailsec.protonmail.ch	176.119.200.129 185.205.70.129 185.70.42.129	mailsec.protonmail.ch mailsec.protonmail.ch mailsec.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 549ms

TXT Record
protonmail-verification=e296d95709caedd0e4f59ed74f4379d2925e0102
v=spf1 include:_spf.protonmail.ch ~all

✉️ SPF

Policy	Record (fp4.dk)
~all (soft fail)	v=spf1 include:_spf.protonmail.ch ~all

📨 DMARC

Policy	Record (_dmarc.fp4.dk)
p=quarantine	v=DMARC1; p=quarantine

📬 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 / DANE4 records 175ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…

🔐 DNSSEC486ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2412077247
Primary NS (MNAME)	dorthy.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

244ms

A

243ms

MX

264ms

AAAA

275ms

TXT

549ms

CAA

250ms

HTTPS

231ms

TLSA

175ms

SOA

0ms

MTA-STS

319ms

DNSSEC

486ms

SRV

275ms

Total

5199ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-14 12:00:32	5199ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-07-23 04:02:33	10788ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-06-25 14:13:01	4405ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-06-21 23:21:49	1174ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 06:53:17	569ms	2 NS 0 A 2 MX	⚠️ Bogus	View
2026-06-19 16:55:37	2883ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-06-17 10:49:46	9196ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-06-17 10:33:04	1161ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-06-17 10:25:37	676ms	2 NS 0 A 2 MX	🔓 Insecure	View