dctrees.dk DNS records

🖥️ Nameservers2 records 56ms

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 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
212.97.141.27	14400s	web04.webtohosting.dk	AS48854	team.blue Denmark A/S	212.97.140.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	14400s	dctrees-dk.mail.eo.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca09::b 2a01:111:f403:ca48::a 2a01:111:f403:ca48::c 52.101.68.0 52.101.68.5 52.101.73.2 52.101.73.28	mail-db4pr02cu00406.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-am7pr05cu00204.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 → 40.104.116.24

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 149ms

TXT Record
v=spf1 ip4:198.57.165.129 ip4:2.106.220.63 a mx include:spf.protection.outlook.com ~all

✉️ SPF

Policy	Record (dctrees.dk)
~all (soft fail)	v=spf1 ip4:198.57.165.129 ip4:2.106.220.63 a mx include:spf.protection.outlook.com ~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)

🔐 DNSSEC113ms

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

🏷️ SOA0ms

Field	Value
Serial	2022111001
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

56ms

A

35ms

MX

30ms

AAAA

36ms

TXT

149ms

CAA

45ms

HTTPS

34ms

TLSA

1540ms

SOA

0ms

MTA-STS

97ms

DNSSEC

113ms

SRV

59ms

Total

2131ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 21:28:47	2131ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 16:04:47	1399ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 01:29:05	4481ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 01:20:22	2513ms	2 NS 1 A 1 MX	🔒 Secure	View