siewertsen.dk DNS records

🖥️ Nameservers2 records 31ms

Nameserver	IP addresses	PTR	ASN / ISP
randall.ns.cloudflare.com	108.162.195.235 162.159.44.235 172.64.35.235 2606:4700:58::a29f:2ceb 2803:f800:50::6ca2:c3eb 2a06:98c1:50::ac40:23eb	randall.ns.cloudflare.com randall.ns.cloudflare.com randall.ns.cloudflare.com randall.ns.cloudflare.com randall.ns.cloudflare.com randall.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sandra.ns.cloudflare.com	108.162.194.34 162.159.38.34 172.64.34.34 2606:4700:50::a29f:2622 2803:f800:50::6ca2:c222 2a06:98c1:50::ac40:2222	sandra.ns.cloudflare.com sandra.ns.cloudflare.com sandra.ns.cloudflare.com sandra.ns.cloudflare.com sandra.ns.cloudflare.com sandra.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 28ms

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 143ms

TXT Record
protonmail-verification=cdd77f364dd0c6e151b91330a747f370cd4212dd
v=spf1 include:_spf.protonmail.ch ~all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.siewertsen.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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.siewertsen.dk	Nx8-0A2fV4j8370qKRPeAqF4ec6KtjoRECmrJI3aHR4
TXT	_acme-challenge.siewertsen.dk	cPROQ1RU_pM1tbqXS1UmwzgXAcV-NKQM9AZ91as4beY

🔗 TLSA / DANE4 records 58ms

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

🔐 DNSSEC103ms

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	2413201308
Primary NS (MNAME)	randall.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

31ms

A

37ms

MX

28ms

AAAA

41ms

TXT

143ms

CAA

40ms

HTTPS

25ms

TLSA

58ms

SOA

0ms

MTA-STS

58ms

DNSSEC

103ms

SRV

56ms

Total

1054ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 01:45:05	1054ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-08-24 03:19:41	4646ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-08-22 02:38:34	2637ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-07-22 01:04:54	3256ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-06-26 04:15:30	1015ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-06-24 04:11:02	1058ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-06-23 13:08:47	1169ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 04:30:06	3031ms	2 NS 0 A 2 MX	🔓 Insecure	View