astrostudio.dk
Last scanned: 2026-08-28 09:48:56  ·  747ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   37ms
🌍 A Records1 records   43ms
📧 MX Records4 records   38ms
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover77.111.241.79
🔶 Autoconfig77.111.241.79
🔷 AAAA Records (IPv6)1 records   50ms
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   184ms
TXT Record
v=spf1 -all
v=spf1 include:_custspf.one.com ~all
✉️ SPF
⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)
PolicyRecord (astrostudio.dk)
-all (hard fail) v=spf1 -all
~all (soft fail) v=spf1 include:_custspf.one.com ~all
📨 DMARC
PolicyRecord (_dmarc.astrostudio.dk)
p=reject v=DMARC1; p=reject
📬 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 / DANE4 records   78ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.pub.mailpod12-cph3.one.com DANE-EE · SPKI · SHA-256 3E81C76D10E1A717F28178710EADCAA8…
SMTP _25._tcp.mx2.pub.mailpod12-cph3.one.com DANE-EE · SPKI · SHA-256 3E81C76D10E1A717F28178710EADCAA8…
SMTP _25._tcp.mx3.pub.mailpod12-cph3.one.com DANE-EE · SPKI · SHA-256 3E81C76D10E1A717F28178710EADCAA8…
SMTP _25._tcp.mx4.pub.mailpod12-cph3.one.com DANE-EE · SPKI · SHA-256 3E81C76D10E1A717F28178710EADCAA8…
🔐 DNSSEC82ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026043002
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
37ms
A
43ms
MX
38ms
AAAA
50ms
TXT
184ms
CAA
57ms
HTTPS
39ms
TLSA
78ms
SOA
0ms
MTA-STS
47ms
DNSSEC
82ms
SRV
71ms
Total
747ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 09:48:56 747ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-12 16:12:31 1144ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-02 03:58:59 8427ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-27 16:10:58 5348ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-22 10:21:49 872ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-16 13:54:57 1654ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-16 13:46:19 2995ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-16 13:46:17 801ms 2 NS 1 A 4 MX 🔒 Secure View
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