master-host.dk DNS records

🖥️ Nameservers2 records 28ms

Nameserver	IP addresses	PTR	ASN / ISP
liz.ns.cloudflare.com	108.162.192.189 172.64.32.189 173.245.58.189 2606:4700:50::adf5:3abd 2803:f800:50::6ca2:c0bd 2a06:98c1:50::ac40:20bd	liz.ns.cloudflare.com liz.ns.cloudflare.com liz.ns.cloudflare.com liz.ns.cloudflare.com liz.ns.cloudflare.com liz.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
tony.ns.cloudflare.com	108.162.193.240 172.64.33.240 173.245.59.240 2606:4700:58::adf5:3bf0 2803:f800:50::6ca2:c1f0 2a06:98c1:50::ac40:21f0	tony.ns.cloudflare.com tony.ns.cloudflare.com tony.ns.cloudflare.com tony.ns.cloudflare.com tony.ns.cloudflare.com tony.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 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	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	300s	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 160ms

TXT Record
protonmail-verification=93c41c21f7a58f0ca89626efbde1bb850faab01f
v=spf1 include:_spf.protonmail.ch mx ~all

✉️ SPF

Policy	Record (master-host.dk)
~all (soft fail)	v=spf1 include:_spf.protonmail.ch mx ~all

📨 DMARC

Policy	Record (_dmarc.master-host.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:th3r0@protonmail.ch

📬 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
TXT	_acme-challenge.master-host.dk	Yu6oRCavk66LaaJoopxb8KNv-bPsaW2_OwyaLxC9kwA

🔗 TLSA / DANE4 records 56ms

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

🔐 DNSSEC98ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2413349042
Primary NS (MNAME)	liz.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

28ms

A

29ms

MX

33ms

AAAA

33ms

TXT

160ms

CAA

33ms

HTTPS

26ms

TLSA

56ms

SOA

0ms

MTA-STS

50ms

DNSSEC

98ms

SRV

55ms

Total

563ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 23:07:27	563ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-08-04 12:41:11	2829ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-07-24 16:03:30	9340ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-07-21 04:57:09	1310ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-07-12 03:11:47	3310ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-07-01 05:00:03	1115ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-06-26 05:07:52	1141ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-06-20 20:39:58	1064ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-06-20 19:59:28	1117ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 06:02:10	968ms	2 NS 0 A 2 MX	🔒 Secure	View