rhea.dk DNS records

🖥️ Nameservers2 records 141ms

Nameserver	IP addresses	PTR	ASN / ISP
apollo.ns.cloudflare.com	108.162.193.66 172.64.33.66 173.245.59.66 2606:4700:58::adf5:3b42 2803:f800:50::6ca2:c142 2a06:98c1:50::ac40:2142	apollo.ns.cloudflare.com apollo.ns.cloudflare.com apollo.ns.cloudflare.com apollo.ns.cloudflare.com apollo.ns.cloudflare.com apollo.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
colette.ns.cloudflare.com	108.162.194.28 162.159.38.28 172.64.34.28 2606:4700:50::a29f:261c 2803:f800:50::6ca2:c21c 2a06:98c1:50::ac40:221c	colette.ns.cloudflare.com colette.ns.cloudflare.com colette.ns.cloudflare.com colette.ns.cloudflare.com colette.ns.cloudflare.com colette.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 173ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.41.47	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.159.247	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records2 records 169ms

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 89ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:9ff7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:292f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 157ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.41.47,172.67.159.247 ech=AEX+DQBBzAAgACAk4nyNMFJkqTbDVZMhJN4r/CJw6FFBr3sQ0VUBjEVlDgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:9ff7,2606:4700:3036::6815:292f

📝 TXT Records2 records 458ms

TXT Record
protonmail-verification=b115455f0c8118f277b1d154ec8fc7e30ce12c15
v=spf1 include:_spf.protonmail.ch mx ~all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.rhea.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:99f146b1a8ec474bb6c2f488cfe529d7@dmarc-reports.cloudflare.net

📬 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.rhea.dk	D2RveTiijFQJnJq8Nvpid4G0DPR6RHd1DcpIyRPRiow
TXT	_acme-challenge.rhea.dk	gpF64swdLv0SiVxA5OlkX3wzd0fCeAi1k1DaVBMl3vo
TXT	_acme-challenge.rhea.dk	jc-occmYAKEgWZXl94AN2ElSIhgiwelHOSzIB7GU8bs

🔗 TLSA / DANE4 records 258ms

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

🔐 DNSSEC293ms

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

🏷️ SOA0ms

Field	Value
Serial	2413725031
Primary NS (MNAME)	apollo.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

141ms

A

173ms

MX

169ms

AAAA

89ms

TXT

458ms

CAA

160ms

HTTPS

157ms

TLSA

258ms

SOA

0ms

MTA-STS

193ms

DNSSEC

293ms

SRV

180ms

Total

2002ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 20:28:19	2002ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-26 06:49:11	817ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-25 15:46:14	890ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-06 14:46:59	1328ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-07-12 17:14:16	1493ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-07-07 07:07:42	1307ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-29 08:02:31	836ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-21 07:36:34	2831ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-17 11:39:13	1032ms	2 NS 2 A 2 MX	🔓 Insecure	View