b33r.dk DNS records

🖥️ Nameservers2 records 36ms

Nameserver	IP addresses	PTR	ASN / ISP
alla.ns.cloudflare.com	108.162.192.62 172.64.32.62 173.245.58.62 2606:4700:50::adf5:3a3e 2803:f800:50::6ca2:c03e 2a06:98c1:50::ac40:203e	alla.ns.cloudflare.com alla.ns.cloudflare.com alla.ns.cloudflare.com alla.ns.cloudflare.com alla.ns.cloudflare.com alla.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
charles.ns.cloudflare.com	108.162.193.83 172.64.33.83 173.245.59.83 2606:4700:58::adf5:3b53 2803:f800:50::6ca2:c153 2a06:98c1:50::ac40:2153	charles.ns.cloudflare.com charles.ns.cloudflare.com charles.ns.cloudflare.com charles.ns.cloudflare.com charles.ns.cloudflare.com charles.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
37.139.21.73	300s	—	AS14061	DigitalOcean, LLC	37.139.0.0/19	🇳🇱 The Netherlands	Amsterdam

📧 MX Records2 records 33ms

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

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	b33r.dk → 37.139.21.73
🔶 Autoconfig	b33r.dk → 37.139.21.73

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 142ms

TXT Record
protonmail-verification=f56f9f440b122dd740352d1fd8b6481571e603f4
v=spf1 include:_spf.protonmail.ch mx ~all

✉️ SPF

Policy	Record (b33r.dk)
~all (soft fail)	v=spf1 include:_spf.protonmail.ch mx ~all

📨 DMARC

Policy	Record (_dmarc.b33r.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100; rua=mailto:postmaster@b33r.dk

📬 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
CNAME	_acme-challenge.b33r.dk	b33r.dk
TXT	b33r.dk	protonmail-verification=f56f9f440b122dd740352d1fd8b6481571e603f4

🔗 TLSA / DANE4 records 141ms

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…

🔐 DNSSEC103ms

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

🏷️ SOA0ms

Field	Value
Serial	2413362813
Primary NS (MNAME)	alla.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

36ms

A

31ms

MX

33ms

AAAA

28ms

TXT

142ms

CAA

33ms

HTTPS

32ms

TLSA

141ms

SOA

0ms

MTA-STS

44ms

DNSSEC

103ms

SRV

53ms

Total

918ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 16:42:23	918ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-27 15:04:54	1926ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-26 14:22:13	932ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-16 11:04:08	4994ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-06 13:24:25	1649ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-20 13:08:46	1370ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-12 13:13:30	1308ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-24 17:49:00	1019ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-21 15:17:19	1178ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 13:14:11	6801ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-16 13:57:06	849ms	2 NS 1 A 2 MX	🔒 Secure	View