cdcsim3.dk
Last scanned: 2026-08-28 17:37:30  ·  561ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   38ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S
🌍 A Records1 records   23ms
IPTTLPTRASNISP / OrgCIDRCountryCity
49.12.84.170 3600s cde4.duelhost.dk AS24940 Hetzner Online GmbH 49.12.0.0/15 🇩🇪 Germany Falkenstein
📧 MX Records4 records   30ms
PriorityTTLMail ServerIP addressesPTRASN
10 10800s mx1.pub.mailpod12-cph3.one.com 104.37.34.246 mx1.pub.mailpod12-cph3.one.com AS51468 One.com A/S
10 10800s mx2.pub.mailpod12-cph3.one.com 104.37.34.247 mx2.pub.mailpod12-cph3.one.com AS51468 One.com A/S
10 10800s mx3.pub.mailpod12-cph3.one.com 104.37.34.248 mx3.pub.mailpod12-cph3.one.com AS51468 One.com A/S
10 10800s mx4.pub.mailpod12-cph3.one.com 104.37.34.249 mx4.pub.mailpod12-cph3.one.com AS51468 One.com A/S
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 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
🔗 TLSA / DANE4 records   45ms
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…
🔐 DNSSEC89ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082801
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
38ms
A
23ms
MX
30ms
AAAA
30ms
TXT
96ms
CAA
26ms
HTTPS
31ms
TLSA
45ms
SOA
0ms
MTA-STS
39ms
DNSSEC
89ms
SRV
42ms
Total
561ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 17:37:30 561ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-26 15:33:37 4750ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-12 16:01:38 5905ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-29 17:10:31 650ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-19 19:30:39 8660ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-16 19:55:57 662ms 2 NS 1 A 4 MX 🔒 Secure View
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