fb-optiunit.dk
Last scanned: 2026-08-14 19:27:03  ·  2308ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   276ms
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   246ms
IPTTLPTRASNISP / OrgCIDRCountryCity
76.76.21.21 3600s — AS16509 Amazon.com, Inc. 76.76.21.0/24 🇺🇸 United States Walnut
📧 MX Records1 records   205ms
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)
🔐 DNSSEC304ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081401
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
276ms
A
246ms
MX
205ms
AAAA
196ms
TXT
362ms
CAA
259ms
HTTPS
265ms
TLSA
158ms
SOA
0ms
MTA-STS
280ms
DNSSEC
304ms
SRV
268ms
Total
2308ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-14 19:27:03 2308ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-21 22:18:41 4612ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-16 20:51:21 713ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-27 18:43:39 1038ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-22 12:00:39 2210ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-21 15:44:20 1111ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-21 10:35:43 397ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 09:18:31 985ms 2 NS 1 A 0 MX 🔒 Secure View
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