0404.dk
Last scanned: 2026-09-01 11:32:07  ·  6329ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   56ms
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   2054ms
IPTTLPTRASNISP / OrgCIDRCountryCity
195.47.247.18 3598s one.com.webforward.g1i.one AS51468 One.com A/S 195.47.247.0/24 — —
📧 MX Records1 records   39ms
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)
🔐 DNSSEC90ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA47ms
FieldValue
Serial2026082401
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
56ms
A
2054ms
MX
39ms
AAAA
52ms
TXT
182ms
CAA
64ms
HTTPS
46ms
TLSA
33ms
SOA
47ms
MTA-STS
58ms
DNSSEC
90ms
SRV
68ms
Total
6329ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-01 11:32:07 6329ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-25 21:03:14 534ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-25 05:51:58 2162ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-20 00:09:41 2127ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-24 17:59:23 730ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-01 07:25:43 501ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-27 16:29:57 625ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-22 18:51:48 545ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-22 05:24:39 1130ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-20 14:58:43 939ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-16 12:33:41 3752ms 2 NS 1 A 4 MX 🔒 Secure View
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