sidc.dk
Last scanned: 2026-08-26 19:58:09  ·  577ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   33ms
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   40ms
IPTTLPTRASNISP / OrgCIDRCountryCity
176.9.33.165 3600s hetz.101-odense.dk AS24940 Hetzner Online GmbH 176.9.0.0/16 🇩🇪 Germany Falkenstein
📧 MX Records1 records   43ms
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)
🔐 DNSSEC80ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081201
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
33ms
A
40ms
MX
43ms
AAAA
50ms
TXT
150ms
CAA
41ms
HTTPS
53ms
TLSA
82ms
SOA
0ms
MTA-STS
74ms
DNSSEC
80ms
SRV
63ms
Total
577ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 19:58:09 577ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-12 13:01:25 904ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-19 03:16:37 8500ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-14 07:30:27 2605ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-03 02:14:49 977ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 19:56:18 818ms 2 NS 1 A 0 MX 🔒 Secure View
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