brfrst.dk DNS records

🖥️ Nameservers2 records 136ms

Nameserver	IP addresses	PTR	ASN / ISP
ken.ns.cloudflare.com	—	—	—
may.ns.cloudflare.com	—	—	—

🌍 A Records2 records 129ms

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

📧 MX Records2 records 133ms

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 128ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:2b2b	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000::/42	—	—
2606:4700:3037::ac43:db30	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000::/42	—	—

🔐 HTTPS Records1 records 144ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.43.43,172.67.219.48 ech=AEX+DQBBdgAgACDwMdqHOich08t3ZLIr63XGzKBXh963Fm9Dq8c9t+DGZwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:2b2b,2606:4700:3037::ac43:db30

📝 TXT Records2 records 231ms

TXT Record
protonmail-verification=298ec737caef68f39c4b5faedf818a45bfce981a
v=spf1 include:_spf.protonmail.ch ~all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.brfrst.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 194ms

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…

🔐 DNSSEC229ms

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

🏷️ SOA139ms

Field	Value
Serial	2406984531
Primary NS (MNAME)	ken.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

136ms

A

129ms

MX

133ms

AAAA

128ms

TXT

231ms

CAA

138ms

HTTPS

144ms

TLSA

194ms

SOA

139ms

MTA-STS

141ms

DNSSEC

229ms

SRV

0ms

Total

1163ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 01:44:03	2589ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-23 09:50:24	3453ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-21 08:59:29	9146ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-13 18:39:15	2345ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-12 04:05:41	2258ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-10 07:14:21	2654ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-05 23:09:55	1836ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-07-22 23:37:24	3250ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-07-20 17:42:28	17890ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-07-17 02:44:47	10200ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-07-07 00:26:30	1549ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-27 09:17:40	873ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-19 16:31:03	3554ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-16 16:50:02	1163ms	2 NS 2 A 2 MX	🔓 Insecure	View