csb.dk DNS records

🖥️ Nameservers2 records 42ms

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 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.106.67	3600s	linux207.curanet.dk	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records1 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	csb-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca04::b 2a01:111:f403:ca09::5 2a01:111:f403:ca09::8 52.101.103.137 52.101.103.36 52.101.68.25 52.101.68.3	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-miypr05cu00104.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-db7pr03cu00403.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 → 40.104.116.40
🔶 Autoconfig	94.231.106.67

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 64ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records2 records 244ms

TXT Record
MS=ms20812909
v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net ip4:212.112.156.136/32 ip4:46.32.35.60/32 ip4:95.154.48.234/32 -all

✉️ SPF

Policy	Record (csb.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net ip4:212.112.156.136/32 ip4:46.32.35.60/32 ip4:95.154.48.234/32 -all

📨 DMARC

Policy	Record (_dmarc.csb.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:rgl4v3e5q6@rua.dmarc.bluebyte.dk; ruf=mailto:rgl4v3e5q6@ruf.dmarc.bluebyte.dk; fo=0; t=n;

📬 MTA-STS348ms

Check	Result
Status	🧪 Testing
TXT record (_mta-sts)	✓ Found
HTTPS policy	✓ Valid
Mode	testing
Policy ID	20240613085803121150
max_age	86400s
Policy MX	csb-dk.mail.protection.outlook.com

📈 TLSRPT

Status	Report address (rua)
✓ Enabled	mailto:rgl4v3e5q6@tls.dmarc.bluebyte.dk

📜 CAA Records

✗ No CAA records — any CA may issue certificates

🔗 TLSA / DANE

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

🔐 DNSSEC81ms

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

🏷️ SOA0ms

Field	Value
Serial	2026042701
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

42ms

A

43ms

MX

45ms

AAAA

37ms

TXT

244ms

CAA

36ms

HTTPS

54ms

TLSA

615ms

SOA

0ms

MTA-STS

348ms

DNSSEC

81ms

SRV

64ms

Total

1373ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 17:24:17	1373ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-28 01:17:08	1098ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 02:08:48	1069ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 05:10:42	1176ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 16:02:26	1143ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 17:16:40	994ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 23:06:41	1908ms	2 NS 1 A 1 MX	🔒 Secure	View