præfa.dk xn--prfa-woa.dk
Last scanned: 2026-08-09 20:38:13  ·  702ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   88ms
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   85ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.183.139.239 21600s — AS47292 Sentia Denmark A/S 46.183.138.0/23 🇩🇰 Denmark —
📧 MX Records1 records   89ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover46.183.139.239
🔶 Autoconfig46.183.139.239
🔷 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)
🔐 DNSSEC186ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026080801
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
88ms
A
85ms
MX
89ms
AAAA
72ms
TXT
284ms
CAA
85ms
HTTPS
71ms
TLSA
61ms
SOA
0ms
MTA-STS
153ms
DNSSEC
186ms
SRV
96ms
Total
702ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-09 20:38:13 702ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-10 09:34:07 601ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-28 00:07:05 738ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-23 04:21:15 558ms 2 NS 1 A 1 MX ⚠️ Bogus View
2026-06-18 02:13:41 824ms 2 NS 1 A 0 MX 🔒 Secure View
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