heibergmadsen.dk DNS records

🖥️ Nameservers2 records 138ms

Nameserver	IP addresses	PTR	ASN / ISP
ezra.ns.cloudflare.com	108.162.195.15 162.159.44.15 172.64.35.15 2606:4700:58::a29f:2c0f 2803:f800:50::6ca2:c30f 2a06:98c1:50::ac40:230f	ezra.ns.cloudflare.com ezra.ns.cloudflare.com ezra.ns.cloudflare.com ezra.ns.cloudflare.com ezra.ns.cloudflare.com ezra.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
gloria.ns.cloudflare.com	108.162.194.16 162.159.38.16 172.64.34.16 2606:4700:50::a29f:2610 2803:f800:50::6ca2:c210 2a06:98c1:50::ac40:2210	gloria.ns.cloudflare.com gloria.ns.cloudflare.com gloria.ns.cloudflare.com gloria.ns.cloudflare.com gloria.ns.cloudflare.com gloria.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 151ms

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 393ms

TXT Record
protonmail-verification=448edd4bafad68fd9c435f14a0c1b6e6ee7772e6
v=spf1 include:_spf.protonmail.ch ~all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.heibergmadsen.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.heibergmadsen.dk	B7nzlEScW9h__1zABHmchE2KK7VKxwwuBqBbsl4HQR0
TXT	_acme-challenge.heibergmadsen.dk	VjwBICJZ2hlnMffH1Q9suaUWH1jIzmSzuh9POxMXwMM

🔗 TLSA / DANE4 records 232ms

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…

🔐 DNSSEC252ms

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	2413591677
Primary NS (MNAME)	ezra.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

138ms

A

97ms

MX

151ms

AAAA

76ms

TXT

393ms

CAA

94ms

HTTPS

120ms

TLSA

232ms

SOA

0ms

MTA-STS

163ms

DNSSEC

252ms

SRV

178ms

Total

2665ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 01:30:47	2665ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-08-29 21:13:17	1971ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-08-27 17:44:11	667ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-08-25 12:43:58	804ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-08-23 22:46:17	1150ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-08-22 22:33:18	1357ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-08-20 22:00:30	2298ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-08-18 16:40:44	10445ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-08-06 18:29:28	1536ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-07-13 03:47:57	1005ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-07-01 12:55:29	745ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-06-22 18:55:49	3144ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-06-20 22:16:35	1623ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-06-17 10:53:35	1012ms	2 NS 0 A 2 MX	🔒 Secure	View