sindb.dk
📜 Historical scan 2026-06-20 17:58:44  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   87ms
🌍 A Records1 records   76ms
📧 MX Records5 records   82ms
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover193.200.90.180
🔶 Autoconfig193.200.90.180
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   165ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 cpanelemaildiscovery.cpanel.net
📝 TXT Records1 records   430ms
TXT Record
v=spf1 +a +mx +ip4:193.200.90.180 include:_spf.e-studio.dk ~all
✉️ SPF
PolicyRecord (sindb.dk)
~all (soft fail) v=spf1 +a +mx +ip4:193.200.90.180 include:_spf.e-studio.dk ~all
📨 DMARC
PolicyRecord (_dmarc.sindb.dk)
p=reject v=DMARC1;p=reject; sp=reject; 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
🔏 ACME Challenge
TypeNameValue
TXT _acme-challenge.sindb.dk RK_bihetEKd0wRVBXbWS-jQX9i1QlN-_DJY6WeRYVd8
🔗 TLSA / DANE4 records   126ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.spamfri.dk DANE-EE · SPKI · SHA-256 884451547A03D0AC2F628D943839BAA6…
SMTP _25._tcp.mx2.spamfri.dk DANE-EE · SPKI · SHA-256 6598C93F79B95376BB8099E9AC862167…
SMTP _25._tcp.mx3.spamfri.dk DANE-EE · SPKI · SHA-256 BBFB0694919290E5BC9D6E2C6F47D846…
SMTP _25._tcp.mx4.spamfri.dk DANE-EE · SPKI · SHA-256 4EE743A99328AEF5142706CA5FD3AD61…
🔐 DNSSEC299ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer
🏷️ SOA99ms
FieldValue
Serial2026052301
Primary NS (MNAME)ns1.e-studio.dk
Responsible (RNAME)hostmaster@mailrelay.e-studio.dk
Refresh3600s
Retry1800s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
87ms
A
76ms
MX
82ms
AAAA
100ms
TXT
430ms
CAA
84ms
HTTPS
80ms
TLSA
126ms
SOA
99ms
MTA-STS
115ms
DNSSEC
299ms
SRV
165ms
Total
1431ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-24 04:23:31 1481ms 3 NS 1 A 5 MX 🔓 Insecure View
2026-06-29 11:49:36 687ms 3 NS 1 A 5 MX 🔓 Insecure View
2026-06-26 20:35:47 1657ms 3 NS 1 A 0 MX ❓ Unknown View
2026-06-26 13:16:21 818ms 3 NS 1 A 5 MX 🔓 Insecure View
2026-06-20 17:58:44 1431ms 3 NS 1 A 5 MX 🔓 Insecure View
2026-06-17 22:10:19 920ms 3 NS 1 A 5 MX 🔓 Insecure View
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