ai-masterclass.dk
Last scanned: 2026-08-29 12:27:53  ·  923ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   59ms
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   63ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.30.215.146 3600s webcluster1.webpod17-cph3.one.com AS51468 One.com A/S 46.30.208.0/21 🇩🇰 Denmark Copenhagen
📧 MX Records1 records   62ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)1 records   74ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:2350:5:106:91:ee59:97b8:17ba 3600s — AS51468 One.com A/S 2a02:2350:0:0:0:0:0:0/32 🇩🇰 Denmark Copenhagen
🔐 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)
🔐 DNSSEC199ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082901
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 RegistrationWHOIS fetched 2026-07-07 01:48:25
FieldValue
RegistrarONE.COM A/S
Registered2025-09-10
Expires2026-09-09 (7d)
📋 WHOIS
⏱️ Lookup Timing
NS
59ms
A
63ms
MX
62ms
AAAA
74ms
TXT
277ms
CAA
61ms
HTTPS
93ms
TLSA
112ms
SOA
0ms
MTA-STS
121ms
DNSSEC
199ms
SRV
123ms
Total
923ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-29 12:27:53 923ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-28 01:55:07 417ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-27 18:23:03 760ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-09 01:17:29 964ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-07 01:46:26 1736ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-04 23:52:03 788ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-03 18:09:38 478ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-02 13:58:48 1036ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-26 23:05:45 517ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-25 22:43:18 1258ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-25 22:14:00 442ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-22 22:50:55 609ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-22 00:17:33 2271ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-20 20:40:06 878ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-20 04:51:18 405ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-18 08:22:36 544ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-16 12:38:26 419ms 2 NS 1 A 0 MX 🔒 Secure View
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