aco.dk
Last scanned: 2026-07-22 23:29:05  ·  15795ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers5 records   53ms
🌍 A Records
🌍
No A records found
📧 MX Records2 records   2196ms
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.104.116.56
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   2229ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 autodiscover.outlook.com
📝 TXT Records4 records   2227ms
TXT Record
docusign=937ce1f8-e7c7-47d8-ac78-043a42737281
facebook-domain-verification=co1e08luug3psvk0j1ylt2kxqka01n
MS=ms28797950
v=spf1 include:spf.hornetsecurity.com include:spf.protection.outlook.com include:spf-de.emailsignatures365.com include:spf-00895801.pphosted.com ip4:94.135.234.34 ip4:88.79.109.4 include:spf.vhost.aco -all
✉️ SPF
📨 DMARC
PolicyRecord (_dmarc.aco.dk)
p=reject v=DMARC1; p=reject; pct=100; rua=mailto:dmarc@aco.com; adkim=s; aspf=s;
📬 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)
🔐 DNSSEC9070ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA2176ms
FieldValue
Serial1754044963
Primary NS (MNAME)ns1.lemarit.de
Responsible (RNAME)hostmaster@lemarit.com
Refresh43200s
Retry10800s
Expire2419200s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
53ms
A
4027ms
MX
2196ms
AAAA
2200ms
TXT
2227ms
CAA
2050ms
HTTPS
2044ms
TLSA
584ms
SOA
2176ms
MTA-STS
2081ms
DNSSEC
9070ms
SRV
2229ms
Total
15795ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-22 23:29:05 15795ms 5 NS 0 A 2 MX 🔓 Insecure View
2026-06-22 16:21:54 1756ms 5 NS 1 A 2 MX 🔓 Insecure View
2026-06-16 12:56:36 1922ms 5 NS 1 A 2 MX 🔓 Insecure View
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