ckaarhus.dk DNS records

🖥️ Nameservers2 records 128ms

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 139ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
109.71.60.25	3600s	webserver.klub-modul.dk	AS48854	team.blue Denmark A/S	109.71.56.0/21	🇩🇰 Denmark	—

📧 MX Records4 records 162ms

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	109.71.60.25
🔶 Autoconfig	109.71.60.25

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 368ms

TXT Record
v=spf1 mx a include:_custspf.one.com a:mail2.klubmodul.dk -all

✉️ SPF

Policy	Record (ckaarhus.dk)
-all (hard fail)	v=spf1 mx a include:_custspf.one.com a:mail2.klubmodul.dk -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

🔗 TLSA / DANE4 records 185ms

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…

🔐 DNSSEC226ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082905
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

128ms

A

139ms

MX

162ms

AAAA

145ms

TXT

368ms

CAA

132ms

HTTPS

123ms

TLSA

185ms

SOA

0ms

MTA-STS

160ms

DNSSEC

226ms

SRV

175ms

Total

1689ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 11:36:27	1689ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-29 06:33:44	1557ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-25 01:29:07	723ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-07 17:05:59	954ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-02 02:38:46	1848ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-24 16:25:18	947ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-02 13:22:59	1179ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-22 04:09:25	759ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-21 11:28:04	1137ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 21:26:05	65535ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-16 21:18:04	2116ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-16 21:09:21	452ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-16 21:01:25	588ms	2 NS 1 A 3 MX	🔒 Secure	View