davidolsen.dk
Last scanned: 2026-08-11 08:04:22  ·  1968ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   248ms
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   252ms
IPTTLPTRASNISP / OrgCIDRCountryCity
76.76.21.21 3600s — AS16509 Amazon.com, Inc. 76.76.21.0/24 🇺🇸 United States Walnut
📧 MX Records1 records   239ms
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)
🔐 DNSSEC363ms
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
📋 RegistrationWHOIS fetched 2026-07-12 02:30:27
FieldValue
RegistrarONE.COM A/S
Registered2024-11-28
Expires2026-11-27 (82d)
📋 WHOIS
⏱️ Lookup Timing
NS
248ms
A
252ms
MX
239ms
AAAA
263ms
TXT
466ms
CAA
245ms
HTTPS
225ms
TLSA
171ms
SOA
0ms
MTA-STS
285ms
DNSSEC
363ms
SRV
261ms
Total
1968ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-11 08:04:22 1968ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-25 02:42:21 4550ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-12 02:29:41 560ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-26 17:33:06 395ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-24 10:09:11 1180ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-20 16:56:08 441ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 01:10:43 323ms 2 NS 1 A 0 MX 🔒 Secure View
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