jaco.dk
Last scanned: 2026-06-24 08:50:37  ·  735ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   42ms
NameserverIP addressesPTRASN / ISP
a.portsdns.se 2607:f740:e009::1
45.54.35.101		 a.portsdns.se
a.portsdns.se		 AS63911 NetActuate, Inc
AS63911 NetActuate, Inc
b.portsdns.net 2a00:11c0:3d::1
94.16.23.1		 b.portsdns.net
b.portsdns.net		 AS42354 Anexia Cloud Solutions GmbH
AS42354 Anexia Cloud Solutions GmbH
🌍 A Records1 records   68ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.21.40.19 900s linux12.curanet.dk AS48854 team.blue Denmark A/S 185.21.40.0/22 🇩🇰 Denmark —
📧 MX Records
📧
No MX records found
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverjaco.dk → 185.21.40.19
🔶 Autoconfigjaco.dk → 185.21.40.19
🔷 AAAA Records (IPv6)1 records   62ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2001:67c:3c0:12::53 28800s — AS51468 One.com A/S 2001:67c:3c0:0:0:0:0:0/48 🇩🇰 Denmark —
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records
📝
No TXT records found
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 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
🔏 ACME Challenge
TypeNameValue
CNAME _acme-challenge.jaco.dk jaco.dk
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC127ms
CheckResult
Validation Status❓ Unknown
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsbroken trust chain resolving 'jaco.dk/DS/IN': 127.0.0.1#53
🏷️ SOA88ms
FieldValue
Serial2023111300
Primary NS (MNAME)a.portsdns.se
Responsible (RNAME)registry@ports.net
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)28800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
42ms
A
68ms
MX
56ms
AAAA
62ms
TXT
251ms
CAA
61ms
HTTPS
56ms
TLSA
128ms
SOA
88ms
MTA-STS
64ms
DNSSEC
127ms
SRV
156ms
Total
735ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-24 08:50:37 735ms 2 NS 1 A 0 MX ❓ Unknown View
2026-06-21 13:28:54 645ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-06-21 10:39:35 826ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-06-18 07:04:28 675ms 2 NS 1 A 0 MX 🔓 Insecure View
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