windfeldtschmidt.dk DNS records

🖥️ Nameservers2 records 35ms

Nameserver	IP addresses	PTR	ASN / ISP
jobs.ns.cloudflare.com	108.162.193.183 172.64.33.183 173.245.59.183 2606:4700:58::adf5:3bb7 2803:f800:50::6ca2:c1b7 2a06:98c1:50::ac40:21b7	jobs.ns.cloudflare.com jobs.ns.cloudflare.com jobs.ns.cloudflare.com jobs.ns.cloudflare.com jobs.ns.cloudflare.com jobs.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
melany.ns.cloudflare.com	108.162.194.138 162.159.38.138 172.64.34.138 2606:4700:50::a29f:268a 2803:f800:50::6ca2:c28a 2a06:98c1:50::ac40:228a	melany.ns.cloudflare.com melany.ns.cloudflare.com melany.ns.cloudflare.com melany.ns.cloudflare.com melany.ns.cloudflare.com melany.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.37.232	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.214.175	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records2 records 73ms

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

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	172.67.214.175
🔶 Autoconfig	172.67.214.175

🔷 AAAA Records (IPv6)2 records 35ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:25e8	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:d6af	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 49ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.37.232,172.67.214.175 ech=AEX+DQBBTwAgACAOmWlPq4z5qUDpGw2hdQCkGJB2jlJGHIBUXoIPWZLTWQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:25e8,2606:4700:3033::ac43:d6af

📝 TXT Records2 records 282ms

TXT Record
protonmail-verification=16f7410c2012b273c6a543aba99213b3c3812820
v=spf1 include:_spf.protonmail.ch include:_spf.google.com ~all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.windfeldtschmidt.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:2330ce6399b547818c2b603bd382c2a1@dmarc-reports.cloudflare.net

📬 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.windfeldtschmidt.dk	DVkXdijzLtbM916yWe8uXvrj1kHeicJ_umWz9CHb-cQ
TXT	_acme-challenge.windfeldtschmidt.dk	fi0LCeQGKxRi9TUJldsDOTMDQKoIKDqnVRF3qI37a4A

🔗 TLSA / DANE4 records 108ms

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…

🔐 DNSSEC72ms

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	2413177889
Primary NS (MNAME)	jobs.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

35ms

A

41ms

MX

73ms

AAAA

35ms

TXT

282ms

CAA

53ms

HTTPS

49ms

TLSA

108ms

SOA

0ms

MTA-STS

57ms

DNSSEC

72ms

SRV

95ms

Total

886ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 20:16:17	886ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-28 00:54:39	2623ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-26 15:46:33	1475ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-25 11:09:56	958ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-08-25 08:27:21	8911ms	2 NS 2 A 3 MX	❓ Unknown	View
2026-06-18 04:44:22	997ms	4 NS 1 A 1 MX	🔒 Secure	View