concordia.dk DNS records

🖥️ Nameservers2 records 43ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records1 records 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
13.69.68.81	3600s	—	AS8075	Microsoft Corporation	13.64.0.0/11	🇳🇱 The Netherlands	Amsterdam

📧 MX Records3 records 45ms

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
20	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	autodiscover.outlook.com → 40.104.116.40
🔶 Autoconfig	dns.umbraco.io → 172.66.0.125

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 168ms

TXT Record
MS=ms30044423
v=spf1 ip4:212.130.176.115 ip4:212.130.48.38 ip4:80.63.86.234 ip4:77.233.255.52 include:_spf.centerasecurity.dk include:spf.mandrillapp.com include:_spf.centerasecurity.dk include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (concordia.dk)
-all (hard fail)	v=spf1 ip4:212.130.176.115 ip4:212.130.48.38 ip4:80.63.86.234 ip4:77.233.255.52 include:_spf.centerasecurity.dk include:spf.mandrillapp.com include:_spf.centerasecurity.dk include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.concordia.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:60588f9fa7455@dmarc.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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.concordia.dk	dns.umbraco.io

🔗 TLSA / DANE6 records 80ms

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

🔐 DNSSEC86ms

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

🏷️ SOA0ms

Field	Value
Serial	2026041701
Primary NS (MNAME)	ns1.123hotel.dk
Responsible (RNAME)	hostmaster@curanet.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

43ms

A

41ms

MX

45ms

AAAA

49ms

TXT

168ms

CAA

39ms

HTTPS

46ms

TLSA

80ms

SOA

0ms

MTA-STS

84ms

DNSSEC

86ms

SRV

205ms

Total

929ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 02:31:59	929ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-02 00:34:42	951ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-16 23:42:23	65535ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-16 22:02:27	2938ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-16 22:01:34	3005ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-16 22:01:05	796ms	2 NS 1 A 3 MX	🔒 Secure	View