3dm.dk DNS records

🖥️ Nameservers2 records 57ms

Nameserver	IP addresses	PTR	ASN / ISP
chan.ns.cloudflare.com	—	—	—
hank.ns.cloudflare.com	—	—	—

🌍 A Records2 records 66ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.64.251	—	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.138.126	—	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records2 records 91ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	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	—	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 94ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:8a7e	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000::/42	—	—
2606:4700:3034::6815:40fb	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000::/42	—	—

🔐 HTTPS Records1 records 75ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.64.251,172.67.138.126 ech=AEX+DQBBzAAgACCRSl2GarTD7edzme/SRSjBGfCZcUyEhedgk/e1csdNQwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:8a7e,2606:4700:3034::6815:40fb

📝 TXT Records2 records 165ms

TXT Record
protonmail-verification=1d83715bc461572cf5e303a9ed99eb311ecddbbc
v=spf1 include:mailgun.org include:_spf.protonmail.ch ~all

✉️ SPF

Policy	Record (3dm.dk)
~all (soft fail)	v=spf1 include:mailgun.org include:_spf.protonmail.ch ~all

📨 DMARC

Policy	Record (_dmarc.3dm.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100; fo=1; ri=3600; rua=mailto:e0c60fd8@dmarc.mailgun.org,mailto:ce3e4d2e@inbox.ondmarc.com; ruf=mailto:e0c60fd8@dmarc.mailgun.org,mailto:ce3e4d2e@inbox.ondmarc.com;

📬 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 136ms

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…

🔐 DNSSEC232ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA65ms

Field	Value
Serial	2406291043
Primary NS (MNAME)	chan.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

57ms

A

66ms

MX

91ms

AAAA

94ms

TXT

165ms

CAA

51ms

HTTPS

75ms

TLSA

136ms

SOA

65ms

MTA-STS

134ms

DNSSEC

232ms

SRV

0ms

Total

2053ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-09 04:44:52	17259ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-07-27 18:12:15	65116ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-07-24 17:25:30	1360ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-27 07:48:19	2425ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-20 04:01:28	1693ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-16 12:51:17	2053ms	2 NS 2 A 2 MX	🔓 Insecure	View