2knowhow.dk
Last scanned: 2026-08-27 08:32:28  ·  757ms 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   53ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.30.211.38 600s domain-parking.one.com AS51468 One.com A/S 46.30.208.0/21 🇩🇰 Denmark Copenhagen
📧 MX Records1 records   101ms
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)
🔐 DNSSEC175ms
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
53ms
MX
101ms
AAAA
37ms
TXT
245ms
CAA
51ms
HTTPS
58ms
TLSA
79ms
SOA
0ms
MTA-STS
122ms
DNSSEC
175ms
SRV
112ms
Total
757ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 08:32:28 757ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-11 19:49:30 604ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-16 23:33:47 16323ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-14 11:02:07 4529ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-12 14:11:49 561ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-26 10:38:39 1074ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-19 04:52:37 7274ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-16 12:47:09 478ms 2 NS 1 A 0 MX 🔒 Secure View
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