f4udlejning.dk DNS records

🖥️ Nameservers2 records 28ms

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 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.42.112	3600s	prolinux102.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 54ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	f4udlejning-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca09::4 2a01:111:f403:ca48::a 2a01:111:f403:ca48::c 52.101.68.3 52.101.68.5 52.101.73.2 52.101.73.28	mail-du0pr03cu00102.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-db7pr03cu00403.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 → 40.104.116.56
🔶 Autoconfig	185.21.42.112

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 164ms

TXT Record
google-site-verification=1emUDgwloOQ0rMk-oZdWvk4r83WzK9RN_d8ljiUtfCM
MS=ms92042429
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (f4udlejning.dk)
-all (hard fail)	v=spf1 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)

🔐 DNSSEC88ms

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

🏷️ SOA0ms

Field	Value
Serial	2026070101
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

28ms

A

46ms

MX

54ms

AAAA

41ms

TXT

164ms

CAA

44ms

HTTPS

54ms

TLSA

595ms

SOA

0ms

MTA-STS

64ms

DNSSEC

88ms

SRV

65ms

Total

1170ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 10:24:50	1170ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 15:51:17	847ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-27 20:28:39	1479ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-25 17:43:18	847ms	2 NS 0 A 3 MX	🔒 Secure	View
2026-06-24 02:30:12	1203ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-23 22:45:51	942ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 06:36:21	762ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-17 09:10:34	1458ms	2 NS 1 A 3 MX	🔒 Secure	View