sikkerteori.dk
Last scanned: 2026-09-04 11:04:55  ·  749ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   32ms
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   28ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.61.154.22 3600s host66-5.registrar-servers.com AS22612 Namecheap, Inc. 185.61.152.0/22 🇬🇧 United Kingdom —
📧 MX Records1 records   26ms
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)
🔐 DNSSEC99ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026083001
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
32ms
A
28ms
MX
26ms
AAAA
31ms
TXT
96ms
CAA
21ms
HTTPS
27ms
TLSA
405ms
SOA
0ms
MTA-STS
37ms
DNSSEC
99ms
SRV
31ms
Total
749ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-04 11:04:55 749ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-28 11:25:06 571ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-26 22:16:15 537ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-31 22:13:48 4549ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-26 22:58:01 730ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-20 00:02:43 4651ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-14 20:30:03 6012ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-25 20:55:20 604ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 22:06:07 475ms 2 NS 1 A 0 MX ⚠️ Bogus View
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