lectioultimate.dk
Last scanned: 2026-08-30 16:56:36  ·  899ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   32ms
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   26ms
IPTTLPTRASNISP / OrgCIDRCountryCity
5.253.247.37 3600s 37.247.253.5.in-addr.arpa AS58087 Florian Kolb 5.253.247.0/24 🇩🇪 Germany —
📧 MX Records1 records   29ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
🔷 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)
🔐 DNSSEC97ms
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
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
32ms
A
26ms
MX
29ms
AAAA
30ms
TXT
103ms
CAA
31ms
HTTPS
24ms
TLSA
570ms
SOA
0ms
MTA-STS
36ms
DNSSEC
97ms
SRV
32ms
Total
899ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-30 16:56:36 899ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-28 02:33:19 786ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-19 20:55:53 4686ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-13 20:31:52 24521ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-06 06:21:18 775ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-04 08:14:19 4596ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-30 12:15:58 633ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-28 23:19:13 472ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-26 06:58:54 1486ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-26 04:45:08 627ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-24 08:35:05 899ms 0 NS 0 A 0 MX ❓ Unknown View
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