tec-kursus.dk
Last scanned: 2026-08-26 15:20:42  ·  717ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   71ms
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   54ms
IPTTLPTRASNISP / OrgCIDRCountryCity
94.18.211.51 43200s — AS31027 GlobalConnect A/S 94.18.0.0/16 🇩🇰 Denmark Herlev
📧 MX Records1 records   62ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s post.tec-kursus.dk 94.18.211.51 — AS31027 GlobalConnect 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 / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC103ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081001
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
71ms
A
54ms
MX
62ms
AAAA
89ms
TXT
161ms
CAA
79ms
HTTPS
56ms
TLSA
75ms
SOA
0ms
MTA-STS
68ms
DNSSEC
103ms
SRV
92ms
Total
717ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 15:20:42 717ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-13 00:26:35 2234ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-18 09:26:22 800ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-12 06:02:40 16611ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 17:45:55 724ms 2 NS 1 A 1 MX 🔒 Secure View
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