classen.dk

📜 Historical scan 2026-10-04 04:52:20 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

classen.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.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 178.63.184.140 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 not DNSSEC-signed, 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#

3 records 26ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 25ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.63.184.140	600s	webhost-0002.icpcloud.dk	AS24940	Hetzner Online GmbH	178.63.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records#

6 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	aspmx.l.google.com	2a00:1450:4010:c0f::1a 2a00:1450:4010:c0f::1a 74.125.205.26	lt-in-f26.1e100.net lt-in-x1a.1e100.net le-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
20	43200s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	43200s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1b	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx2.googlemail.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx3.googlemail.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
100	43200s	generated-by-one-com-for-mx-100.classen.dk	—	—	—

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 117ms

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

www	178.63.184.140 46.30.211.38 (AS24940 AS51468) (address records, no CNAME)
www vs bare domain	Same network classen.dk: 178.63.184.140 (AS24940) www.classen.dk: 178.63.184.140 46.30.211.38 (AS24940 AS51468)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: 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#

72ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA#

46ms

Field	Value
Serial	2026100300
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-04 05:04:38

Field	Value
Registrar	Simply.com A/S
Registered	2000-05-23
Expires	2027-06-30 (252d)

📋 WHOIS#

⏱️ Lookup Timing#

26ms

25ms

33ms

AAAA

26ms

TXT

117ms

CAA

27ms

HTTPS

34ms

TLSA

112ms

SOA

46ms

MTA-STS

57ms

DNSSEC

72ms

SRV

54ms

Total

509ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 23:25:16	2193ms	3 NS 1 A 6 MX	🔓 Insecure
2026-10-04 04:52:20 shown	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	1350ms	2 NS 1 A 6 MX	🔒 Secure