duna.dk DNS records

🖥️ Nameservers2 records 40ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records1 records 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
89.233.5.166	3600s	—	AS3308	Norlys Telco A/S	89.233.0.0/18	🇩🇰 Denmark	Copenhagen

📧 MX Records3 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1-dk.centerasecurity.dk	128.76.60.167 128.76.60.187 89.233.19.127 89.233.19.127 89.233.19.188 89.233.19.188	mx6.centerasecurity.dk mx6.centerasecurity.dk 127.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk 188.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk	AS3292 TDC Holding A/S AS3292 TDC Holding A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S
10	3600s	mx2-dk.centerasecurity.dk	128.76.60.168 128.76.60.169 89.233.19.128 89.233.19.128 89.233.19.129 89.233.19.129	mx6.centerasecurity.dk mx6.centerasecurity.dk 128.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk 129.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk	AS3292 TDC Holding A/S AS3292 TDC Holding A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S
10	3600s	mx3-dk.centerasecurity.dk	128.76.60.187 89.233.19.129 89.233.19.129	mx6.centerasecurity.dk 129.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk	AS3292 TDC Holding A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	89.233.5.166
🔶 Autoconfig	89.233.5.166

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 160ms

TXT Record
MS=ms73881173
v=spf1 +mx include:_spf.centerasecurity.dk include:spf.protection.outlook.com +a:asterix.pixact.dk +a:obelix.pixact.dk +ip4:83.89.250.87 -all

✉️ SPF

Policy	Record (duna.dk)
-all (hard fail)	v=spf1 +mx include:_spf.centerasecurity.dk include:spf.protection.outlook.com +a:asterix.pixact.dk +a:obelix.pixact.dk +ip4:83.89.250.87 -all

📨 DMARC

Policy	Record (_dmarc.duna.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:66eae496ee390@dmarc-dk.centerasecurity.com;

📬 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 / DANE6 records 73ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	D4C349E7B72F5CF4A9CEA358F98947C2…
SMTP _25._tcp.mx1-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx2-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	D4C349E7B72F5CF4A9CEA358F98947C2…
SMTP _25._tcp.mx2-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx3-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	D4C349E7B72F5CF4A9CEA358F98947C2…
SMTP _25._tcp.mx3-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	56315B43B892E9AEE184919EC6A5821C…

🔐 DNSSEC100ms

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

🏷️ SOA0ms

Field	Value
Serial	2025071702
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

40ms

A

40ms

MX

40ms

AAAA

54ms

TXT

160ms

CAA

35ms

HTTPS

42ms

TLSA

73ms

SOA

0ms

MTA-STS

72ms

DNSSEC

100ms

SRV

79ms

Total

746ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 12:21:00	746ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-25 10:22:27	1116ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-23 15:35:32	796ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-21 07:01:39	650ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-21 01:22:30	698ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-17 05:14:19	3046ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-17 05:11:58	34504ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-17 05:01:44	955ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-17 05:01:12	994ms	2 NS 1 A 3 MX	🔒 Secure	View