a-knudsen.dk
Last scanned: 2026-08-25 22:37:37  ·  471ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   44ms
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   42ms
IPTTLPTRASNISP / OrgCIDRCountryCity
5.186.51.158 43200s 5.186.51.158.static.fibianet.dk AS44869 FIBIA P/S 5.186.0.0/16 🇩🇰 Denmark Aarhus
📧 MX Records1 records   47ms
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)
🔐 DNSSEC70ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081101
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
44ms
A
42ms
MX
47ms
AAAA
36ms
TXT
155ms
CAA
45ms
HTTPS
46ms
TLSA
55ms
SOA
0ms
MTA-STS
43ms
DNSSEC
70ms
SRV
56ms
Total
471ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-25 22:37:37 471ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-11 19:32:45 2455ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-25 18:10:20 4557ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-18 11:24:11 1014ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-12 07:56:37 541ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-25 19:22:27 603ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-24 10:43:20 572ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-22 13:09:00 507ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-21 11:16:09 389ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-16 12:36:55 430ms 2 NS 1 A 0 MX 🔒 Secure View
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