classen.dk

📜 Historical scan 2026-06-16 21:06:05  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

classen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 23 May 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 78.47.212.160 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 4 more. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   45ms
NameserverIP addressesPTRASN / ISP
ns01.one.com — — —
ns02.one.com — — —

🌍 A Records#

1 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 Records#

6 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 Records#

1 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-12 23:25:16
www178.63.184.140 46.30.211.38 (AS24940 AS51468) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceNSEC zone can be walked (all names enumerable)
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

109ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

43ms
FieldValue
Serial2026040401
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-04 05:04:38
FieldValue
RegistrarSimply.com A/S
Registered2000-05-23
Expires2027-06-30 (253d)
📋 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
2026-10-12 23:25:16 2193ms 3 NS 1 A 6 MX 🔓 Insecure
2026-10-04 04:52:20 509ms 3 NS 1 A 6 MX 🔓 Insecure
2026-10-01 04:45:59 773ms 3 NS 1 A 6 MX 🔓 Insecure
2026-06-30 13:04:52 756ms 3 NS 1 A 6 MX 🔓 Insecure
2026-06-16 21:06:05 shown 1350ms 2 NS 1 A 6 MX 🔒 Secure
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