claesbrandt.dk DNS records

🖥️ Nameservers2 records 74ms

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 50ms

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 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.mailpod16-cph3.g1i.one.com	5.249.232.33	mx1.mailpod16-cph3.g1i.one.com	AS51468 One.com A/S
10	10800s	mx2.mailpod16-cph3.g1i.one.com	5.249.232.34	mx2.mailpod16-cph3.g1i.one.com	AS51468 One.com A/S
10	10800s	mx3.mailpod16-cph3.g1i.one.com	5.249.232.35	mx3.mailpod16-cph3.g1i.one.com	AS51468 One.com A/S
10	10800s	mx4.mailpod16-cph3.g1i.one.com	5.249.232.36	mx4.mailpod16-cph3.g1i.one.com	AS51468 One.com A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	claesbrandt.dk → 45.76.135.235
🔶 Autoconfig	claesbrandt.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 Records2 records 211ms

TXT Record
google-site-verification=Ijb3NFXWQgY7B53zgR7ES2tOpeJh87OTuPoej6ZYzI8
v=spf1 include:_custspf.one.com ~all

✉️ SPF

Policy	Record (claesbrandt.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.claesbrandt.dk	claesbrandt.dk

🔗 TLSA / DANE4 records 1392ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.mailpod16-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	24689A1B29BE70163B6DCF262497B6EC…
SMTP _25._tcp.mx2.mailpod16-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	24689A1B29BE70163B6DCF262497B6EC…
SMTP _25._tcp.mx3.mailpod16-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	24689A1B29BE70163B6DCF262497B6EC…
SMTP _25._tcp.mx4.mailpod16-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	24689A1B29BE70163B6DCF262497B6EC…

🔐 DNSSEC144ms

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

🏷️ SOA0ms

Field	Value
Serial	2026073001
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

74ms

A

50ms

MX

50ms

AAAA

87ms

TXT

211ms

CAA

113ms

HTTPS

86ms

TLSA

1392ms

SOA

0ms

MTA-STS

114ms

DNSSEC

144ms

SRV

126ms

Total

2335ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 19:21:52	2335ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-02 05:35:54	1033ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-15 07:11:27	9152ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-29 22:48:15	913ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-25 07:03:57	927ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-24 17:41:13	1104ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-23 18:51:24	1199ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-16 21:05:50	2758ms	2 NS 1 A 4 MX	🔒 Secure	View