cassandrabrandt.dk DNS records

🖥️ Nameservers2 records 25ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records1 records 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
45.76.135.235	43200s	45.76.135.235.vultrusercontent.com	AS20473	The Constant Company, LLC	45.76.0.0/15	🇬🇧 United Kingdom	Canary Wharf

📧 MX Records4 records 23ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.pub.mailpod11-cph3.one.com	104.37.34.230	mx1.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	10800s	mx2.pub.mailpod11-cph3.one.com	104.37.34.231	mx2.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	10800s	mx3.pub.mailpod11-cph3.one.com	104.37.34.232	mx3.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	10800s	mx4.pub.mailpod11-cph3.one.com	104.37.34.233	mx4.pub.mailpod11-cph3.one.com	AS51468 One.com A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	cassandrabrandt.dk → 45.76.135.235
🔶 Autoconfig	cassandrabrandt.dk → 45.76.135.235

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 102ms

TXT Record
v=spf1 include:_custspf.one.com ~all

✉️ SPF

Policy	Record (cassandrabrandt.dk)
~all (soft fail)	v=spf1 include:_custspf.one.com ~all

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 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.cassandrabrandt.dk	cassandrabrandt.dk

🔗 TLSA / DANE4 records 40ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	068A81EDC98C58D5D494EDF2924D5F50…
SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	068A81EDC98C58D5D494EDF2924D5F50…
SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	068A81EDC98C58D5D494EDF2924D5F50…
SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	068A81EDC98C58D5D494EDF2924D5F50…

🔐 DNSSEC99ms

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

🏷️ SOA0ms

Field	Value
Serial	2026083001
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

25ms

A

31ms

MX

23ms

AAAA

27ms

TXT

102ms

CAA

33ms

HTTPS

35ms

TLSA

40ms

SOA

0ms

MTA-STS

37ms

DNSSEC

99ms

SRV

41ms

Total

628ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 00:57:19	628ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-28 09:32:30	1132ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-27 03:34:18	1637ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-03 11:15:08	5190ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-01 23:07:44	3043ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-02 18:08:21	1126ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-20 02:42:09	833ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-16 19:45:15	897ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-16 19:41:10	783ms	2 NS 1 A 4 MX	🔒 Secure	View