classen.dk
📜 Historical scan 2026-06-16 21:06:05  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   45ms
NameserverIP addressesPTRASN / ISP
ns01.one.com — — —
ns02.one.com — — —
🌍 A Records1 records   42ms
IPTTLPTRASNISP / OrgCIDRCountryCity
78.47.212.160 — static.160.212.47.78.clients.your-server.de AS24940 Hetzner Online GmbH 78.46.0.0/15 🇩🇪 Germany Falkenstein
📧 MX Records6 records   48ms
PriorityTTLMail ServerIP addressesPTRASN
10 — aspmx.l.google.com 64.233.161.27 lh-in-f27.1e100.net AS15169 Google LLC
20 — alt1.aspmx.l.google.com 192.178.158.26 lcdels-in-f26.1e100.net AS15169 Google LLC
20 — alt2.aspmx.l.google.com 192.178.158.27 lcdels-in-f27.1e100.net AS15169 Google LLC
30 — aspmx2.googlemail.com 192.178.211.26 lcbomp-in-f26.1e100.net AS15169 Google LLC
30 — aspmx3.googlemail.com 142.250.147.27 rd-in-f27.1e100.net AS15169 Google LLC
100 — generated-by-one-com-for-mx-100.classen.dk 85.129.0.226 cpe.ge-9-1-2-698.hlnqe10.dk.customer.tdc.net AS3292 TDC Holding A/S
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   216ms
TXT Record
google-site-verification=igNwJmfPH1sbzPgz82HzoSACWDR4s-ei6X-2z99HXyM
✉️ 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)
🔐 DNSSEC109ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA43ms
FieldValue
Serial2026040401
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
45ms
A
42ms
MX
48ms
AAAA
43ms
TXT
216ms
CAA
40ms
HTTPS
43ms
TLSA
124ms
SOA
43ms
MTA-STS
33ms
DNSSEC
109ms
SRV
0ms
Total
1350ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-30 13:04:52 756ms 3 NS 1 A 6 MX 🔓 Insecure View
2026-06-16 21:06:05 1350ms 2 NS 1 A 6 MX 🔒 Secure View
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