sysa.dk DNS records

🖥️ Nameservers3 records 45ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.efif.dk	195.254.168.23	ns.efif.dk	AS51073 Aarhus Business College
ns2.efif.dk	195.254.168.12	ns2.efif.dk	AS51073 Aarhus Business College
ns3.efif.dk	20.23.170.35	—	AS8075 Microsoft Corporation

🌍 A Records

🌍

No A records found

📧 MX Records1 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	sysa-dk.mail.protection.outlook.com	2a01:111:f403:ca09::5 2a01:111:f403:ca09::9 2a01:111:f403:ca09::d 2a01:111:f403:ca09::e 52.101.68.12 52.101.68.32 52.101.73.126 52.101.73.153	mail-am1pr04cu00105.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-as8pr05cu00401.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 Records3 records 133ms

TXT Record
AABC
MS=ms36440840
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (sysa.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)

🔐 DNSSEC89ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2023100513
Primary NS (MNAME)	ns.efif.dk
Responsible (RNAME)	dns-zc@efif.dk
Refresh	14400s
Retry	3600s
Expire	2419200s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

45ms

A

46ms

MX

42ms

AAAA

41ms

TXT

133ms

CAA

42ms

HTTPS

31ms

TLSA

790ms

SOA

0ms

MTA-STS

66ms

DNSSEC

89ms

SRV

55ms

Total

1291ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 12:04:49	1291ms	3 NS 0 A 1 MX	🔓 Insecure	View
2026-08-27 02:22:01	2879ms	3 NS 0 A 1 MX	🔓 Insecure	View
2026-07-18 15:42:13	5572ms	3 NS 0 A 1 MX	🔓 Insecure	View
2026-07-01 14:51:16	788ms	3 NS 0 A 1 MX	🔓 Insecure	View
2026-06-27 07:15:38	6170ms	3 NS 0 A 1 MX	🔓 Insecure	View
2026-06-21 11:35:33	1184ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 06:59:11	4814ms	3 NS 0 A 1 MX	🔓 Insecure	View