maritimecourses.dk
Last scanned: 2026-08-07 00:27:03  ·  8907ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   49ms
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   55ms
IPTTLPTRASNISP / OrgCIDRCountryCity
77.66.124.110 600s web10.redhost.dk AS47292 Sentia Denmark A/S 77.66.124.0/23 🇩🇰 Denmark —
📧 MX Records1 records   55ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s web10.redhost.dk 77.66.124.110 web10.redhost.dk AS47292 Sentia Denmark A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover77.66.124.110
🔶 Autoconfig77.66.124.110
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   8339ms
TXT Record
v=spf1 a mx ptr ip4:77.66.124.110 ~all
✉️ SPF
PolicyRecord (maritimecourses.dk)
~all (soft fail) v=spf1 a mx ptr ip4:77.66.124.110 ~all
📨 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 / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC218ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026080301
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
49ms
A
55ms
MX
55ms
AAAA
48ms
TXT
8339ms
CAA
69ms
HTTPS
68ms
TLSA
160ms
SOA
0ms
MTA-STS
57ms
DNSSEC
218ms
SRV
8083ms
Total
8907ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-07 00:27:03 8907ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-02 23:25:23 8632ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-03 19:06:36 703ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 23:35:38 504ms 2 NS 1 A 1 MX 🔒 Secure View
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