o-knudsen.dk
Last scanned: 2026-09-11 08:03:44  ·  592ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   35ms
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   33ms
IPTTLPTRASNISP / OrgCIDRCountryCity
87.52.104.247 43200s 0x573468f7.static.cust.fastspeed.dk AS3292 TDC Holding A/S 87.48.0.0/13 🇩🇰 Denmark Copenhagen
📧 MX Records1 records   37ms
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)
🔐 DNSSEC115ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026091001
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
35ms
A
33ms
MX
37ms
AAAA
26ms
TXT
122ms
CAA
41ms
HTTPS
36ms
TLSA
100ms
SOA
0ms
MTA-STS
52ms
DNSSEC
115ms
SRV
47ms
Total
592ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-11 08:03:44 592ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-27 21:42:47 686ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-26 01:51:04 611ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-11 22:35:53 2391ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-17 19:47:51 552ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-15 06:25:46 647ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-26 23:28:06 1284ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-25 16:43:15 4602ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-23 19:26:15 984ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-23 03:14:48 1107ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-20 04:15:29 2472ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-20 00:30:26 1507ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 11:53:58 2620ms 2 NS 1 A 0 MX 🔒 Secure View
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