cefibu.dk DNS records

🖥️ Nameservers2 records 27ms

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 26ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.106.72	3600s	linux210.curanet.dk	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records1 records 26ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	cefibu-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::5 2a01:111:f403:ca04::c 2a01:111:f403:ca09::d 52.101.68.21 52.101.68.36 52.101.68.39 52.101.73.12	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56
🔶 Autoconfig	94.231.106.72

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 131ms

TXT Record
v=spf1 include:spf.protection.outlook.com include:spf.curanet.dk -all

✉️ SPF

Policy	Record (cefibu.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.curanet.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 / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC53ms

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

🏷️ SOA0ms

Field	Value
Serial	2026072002
Primary NS (MNAME)	ns1.curanet.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

27ms

A

26ms

MX

26ms

AAAA

26ms

TXT

131ms

CAA

26ms

HTTPS

26ms

TLSA

507ms

SOA

0ms

MTA-STS

35ms

DNSSEC

53ms

SRV

63ms

Total

1379ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-20 12:39:33	1379ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-14 18:10:19	3300ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-02 00:39:57	801ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 20:07:07	2209ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 20:04:13	61790ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 20:03:35	1519ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 20:00:21	1579ms	4 NS 1 A 1 MX	🔒 Secure	View