firkant.dk
Last scanned: 2026-08-28 19:49:21  ·  396ms 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   35ms
IPTTLPTRASNISP / OrgCIDRCountryCity
78.143.65.18 43200s 78.143.65.18.static.fibianet.dk AS44869 FIBIA P/S 78.143.64.0/18 🇩🇰 Denmark Farum
📧 MX Records
📧
No MX records found
🔷 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)
🔐 DNSSEC103ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082801
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
35ms
MX
36ms
AAAA
30ms
TXT
100ms
CAA
30ms
HTTPS
30ms
TLSA
74ms
SOA
0ms
MTA-STS
38ms
DNSSEC
103ms
SRV
36ms
Total
396ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 19:49:21 396ms 2 NS 1 A 0 MX 🔒 Secure View
2026-08-26 18:16:06 637ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-25 17:21:46 631ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-03 01:40:00 553ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-24 14:35:37 577ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 09:21:21 882ms 2 NS 1 A 0 MX 🔒 Secure View
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