acongroup.dk
Last scanned: 2026-08-27 13:52:42  ·  1174ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   55ms
🌍 A Records1 records   58ms
📧 MX Records1 records   43ms
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.104.116.8
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   161ms
TXT Record
v=spf1 include:spf.protection.outlook.com include:spfcloud.letsignit.com include:_custspf.one.com -all
✉️ SPF
PolicyRecord (acongroup.dk)
-all (hard fail) v=spf1 include:spf.protection.outlook.com include:spfcloud.letsignit.com include:_custspf.one.com -all
📨 DMARC
PolicyRecord (_dmarc.acongroup.dk)
p=quarantine v=DMARC1; p=quarantine; pct=100;
📬 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)
🔐 DNSSEC83ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2023061601
Primary NS (MNAME)ns01.danskinternet.dk
Responsible (RNAME)hostmaster@curanet.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
55ms
A
58ms
MX
43ms
AAAA
45ms
TXT
161ms
CAA
40ms
HTTPS
41ms
TLSA
183ms
SOA
0ms
MTA-STS
60ms
DNSSEC
83ms
SRV
61ms
Total
1174ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 13:52:42 1174ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-24 10:57:47 2267ms 0 NS 1 A 1 MX 🔒 Secure View
2026-06-16 12:46:37 757ms 2 NS 1 A 1 MX 🔒 Secure View
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