madssigurd.dk DNS records

🖥️ Nameservers2 records 51ms

Nameserver	IP addresses	PTR	ASN / ISP
aria.ns.cloudflare.com	108.162.192.68 172.64.32.68 173.245.58.68 2606:4700:50::adf5:3a44 2803:f800:50::6ca2:c044 2a06:98c1:50::ac40:2044	aria.ns.cloudflare.com aria.ns.cloudflare.com aria.ns.cloudflare.com aria.ns.cloudflare.com aria.ns.cloudflare.com aria.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
odin.ns.cloudflare.com	108.162.195.208 162.159.44.208 172.64.35.208 2606:4700:58::a29f:2cd0 2803:f800:50::6ca2:c3d0 2a06:98c1:50::ac40:23d0	odin.ns.cloudflare.com odin.ns.cloudflare.com odin.ns.cloudflare.com odin.ns.cloudflare.com odin.ns.cloudflare.com odin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.16.248	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.217.85	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records2 records 41ms

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)2 records 54ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:d955	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:10f8	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 51ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.16.248,172.67.217.85 ech=AEX+DQBBBQAgACDIc47FNn1DFIo7jILHeQRw/eMZGsbn1CcU+FUzRuDhFAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:d955,2606:4700:3036::6815:10f8

📝 TXT Records2 records 317ms

TXT Record
protonmail-verification=455ca077b669a2c0efd1cc07f623cf62ed31bf0a
v=spf1 include:_spf.protonmail.ch ~all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.madssigurd.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 157ms

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…

🔐 DNSSEC75ms

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

🏷️ SOA0ms

Field	Value
Serial	2411762130
Primary NS (MNAME)	aria.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

51ms

A

42ms

MX

41ms

AAAA

54ms

TXT

317ms

CAA

48ms

HTTPS

51ms

TLSA

157ms

SOA

0ms

MTA-STS

69ms

DNSSEC

75ms

SRV

85ms

Total

1635ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-10 04:57:30	1635ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-08-03 10:25:15	1559ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-07-17 10:17:39	1352ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-07-04 20:25:59	7002ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-06-26 05:03:55	1126ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-06-23 15:51:02	2439ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-06-23 12:53:26	958ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 15:27:13	1311ms	2 NS 2 A 2 MX	🔒 Secure	View