sleftersyn.dk DNS records

🖥️ Nameservers2 records 65ms

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 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.109.73	60s	web13.curanet.dk	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records1 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	sleftersyn-dk.mail.protection.outlook.com	2a01:111:f403:ca04::d 2a01:111:f403:ca09::24 2a01:111:f403:ca09::3 2a01:111:f403:ca09::7 52.101.68.27 52.101.68.3 52.101.73.145 52.101.73.19	mail-db6pr03cu00105.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-am6pr02cu00301.inbound.protection.outlook.com mail-as8pr04cu00803.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	94.231.109.73

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 185ms

TXT Record
MS=ms11491846
v=spf1 include:spf.curanet.dk include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (sleftersyn.dk)
-all (hard fail)	v=spf1 include:spf.curanet.dk 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)

🔐 DNSSEC111ms

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

🏷️ SOA0ms

Field	Value
Serial	2022020702
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

65ms

A

50ms

MX

50ms

AAAA

56ms

TXT

185ms

CAA

43ms

HTTPS

69ms

TLSA

378ms

SOA

0ms

MTA-STS

79ms

DNSSEC

111ms

SRV

79ms

Total

1073ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 14:18:45	1073ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 01:56:24	569ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 22:59:10	1869ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 17:14:06	998ms	2 NS 1 A 1 MX	🔒 Secure	View