a1investaps.dk
Last scanned: 2026-08-30 09:52:03  ·  390ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   30ms
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   25ms
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   31ms
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)
🔐 DNSSEC92ms
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
30ms
A
25ms
MX
31ms
AAAA
23ms
TXT
107ms
CAA
28ms
HTTPS
30ms
TLSA
33ms
SOA
0ms
MTA-STS
36ms
DNSSEC
92ms
SRV
34ms
Total
390ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-30 09:52:03 390ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-27 19:05:07 948ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-06 04:44:14 611ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-25 05:12:35 8534ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-02 02:12:26 1116ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-02 00:29:13 677ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-16 13:15:15 1057ms 2 NS 1 A 4 MX 🔒 Secure View
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