ckbo.dk DNS records

🖥️ Nameservers2 records 95ms

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 96ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
212.237.249.16	3600s	splash.curanet.dk	AS48854	team.blue Denmark A/S	212.237.248.0/23	🇩🇰 Denmark	—

📧 MX Records1 records 77ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	ckbo-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::5 2a01:111:f403:ca04::6 2a01:111:f403:ca09::e 52.101.68.21 52.101.68.39 52.101.73.12 52.101.73.22	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db4pr02cu00406.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-am7pr05cu00106.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 → 40.101.112.194
🔶 Autoconfig	212.237.249.16

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 550ms

TXT Record
MS=ms94393854
v=spf1 ip4:87.55.166.184 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (ckbo.dk)
-all (hard fail)	v=spf1 ip4:87.55.166.184 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.ckbo.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarcreport@ckbo.dk; ruf=mailto:dmarcreport@ckbo.dk; fo=0; adkim=r; aspf=r; pct=100; rf=afrf; ri=86400; sp=reject

📬 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)

🔐 DNSSEC191ms

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

🏷️ SOA88ms

Field	Value
Serial	2024112102
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

95ms

A

96ms

MX

77ms

AAAA

101ms

TXT

550ms

CAA

95ms

HTTPS

88ms

TLSA

153ms

SOA

88ms

MTA-STS

106ms

DNSSEC

191ms

SRV

201ms

Total

1028ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-19 22:18:36	1028ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 21:31:54	65535ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 21:16:51	2152ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 21:04:38	592ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 21:01:39	763ms	2 NS 1 A 1 MX	🔒 Secure	View