nikolajjohansen.dk
Last scanned: 2026-08-18 21:22:01  ·  1304ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   84ms
🌍 A Records1 records   80ms
IPTTLPTRASNISP / OrgCIDRCountryCity
91.221.196.240 599s AS51468 One.com A/S 91.221.196.0/23 🇩🇰 Denmark Copenhagen
📧 MX Records1 records   92ms
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)
🔐 DNSSEC216ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081801
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
84ms
A
80ms
MX
92ms
AAAA
86ms
TXT
342ms
CAA
77ms
HTTPS
76ms
TLSA
130ms
SOA
0ms
MTA-STS
96ms
DNSSEC
216ms
SRV
190ms
Total
1304ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-18 21:22:01 1304ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-19 03:21:27 784ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-16 18:34:47 562ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-26 01:11:47 2499ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-18 16:34:17 824ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-17 13:41:45 1959ms 2 NS 1 A 4 MX 🔒 Secure View
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