tauzn.dk DNS records

🖥️ Nameservers2 records 40ms

Nameserver	IP addresses	PTR	ASN / ISP
meadow.ns.cloudflare.com	108.162.194.51 162.159.38.51 172.64.34.51 2606:4700:50::a29f:2633 2803:f800:50::6ca2:c233 2a06:98c1:50::ac40:2233	meadow.ns.cloudflare.com meadow.ns.cloudflare.com meadow.ns.cloudflare.com meadow.ns.cloudflare.com meadow.ns.cloudflare.com meadow.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
oswald.ns.cloudflare.com	108.162.193.218 172.64.33.218 173.245.59.218 2606:4700:58::adf5:3bda 2803:f800:50::6ca2:c1da 2a06:98c1:50::ac40:21da	oswald.ns.cloudflare.com oswald.ns.cloudflare.com oswald.ns.cloudflare.com oswald.ns.cloudflare.com oswald.ns.cloudflare.com oswald.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 58ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.61.130	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.210.137	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records2 records 52ms

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	104.21.61.130
🔶 Autoconfig	104.21.61.130

🔷 AAAA Records (IPv6)2 records 43ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:d289	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::6815:3d82	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 56ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.61.130,172.67.210.137 ech=AEX+DQBBywAgACC+r27rvQ2ITTeAhRa19al8UU/bGo3esajfWq8tG/qeIAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:d289,2606:4700:3033::6815:3d82

📝 TXT Records2 records 219ms

TXT Record
protonmail-verification=e520f09d664841ae2668a4679c835e1fb50e28b8
v=spf1 include:_spf.protonmail.ch ~all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.tauzn.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 69ms

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	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…

🔐 DNSSEC2051ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2412814778
Primary NS (MNAME)	meadow.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

40ms

A

58ms

MX

52ms

AAAA

43ms

TXT

219ms

CAA

43ms

HTTPS

56ms

TLSA

69ms

SOA

0ms

MTA-STS

51ms

DNSSEC

2051ms

SRV

75ms

Total

2609ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 11:27:55	2609ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-08-21 18:29:50	9764ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-08-12 00:32:11	3628ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-07-28 11:15:03	4418ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-07-17 01:47:17	17304ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-06-23 20:19:13	4737ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-06-22 11:40:05	1157ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 07:14:12	1390ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-06-17 13:18:45	922ms	2 NS 2 A 2 MX	🔒 Secure	View