klassebog.dk

📜 Historical scan 2026-09-01 03:43:22 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

klassebog.dk is a .dk domain served by 2 nameservers (aliza.ns.cloudflare.com, marty.ns.cloudflare.com). It was registered on 28 June 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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 31ms

Nameserver	IP addresses	PTR	ASN / ISP
aliza.ns.cloudflare.com	108.162.194.55 162.159.38.55 172.64.34.55 2606:4700:50::a29f:2637 2803:f800:50::6ca2:c237 2a06:98c1:50::ac40:2237	aliza.ns.cloudflare.com aliza.ns.cloudflare.com aliza.ns.cloudflare.com aliza.ns.cloudflare.com aliza.ns.cloudflare.com aliza.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
marty.ns.cloudflare.com	108.162.193.204 172.64.33.204 173.245.59.204 2606:4700:58::adf5:3bcc 2803:f800:50::6ca2:c1cc 2a06:98c1:50::ac40:21cc	marty.ns.cloudflare.com marty.ns.cloudflare.com marty.ns.cloudflare.com marty.ns.cloudflare.com marty.ns.cloudflare.com marty.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

🌍

No A records found

📧 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-24 14:25:25

www	Exists, no address
www vs bare domain	Neither resolves klassebog.dk: no address www.klassebog.dk: no address
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
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#

128ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

Key type	Algorithm	Public key
KSK	ECDSA P-256/SHA-256	mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopK…
ZSK	ECDSA P-256/SHA-256	oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XN…

🏷️ SOA#

6ms

Field	Value
Serial	2412097652
Primary NS (MNAME)	aliza.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-03 10:59:27

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2023-06-28
Expires	2027-06-27 (242d)

📋 WHOIS#

⏱️ Lookup Timing#

31ms

20ms

25ms

AAAA

17ms

TXT

59ms

CAA

12ms

HTTPS

24ms

TLSA

35ms

SOA

6ms

MTA-STS

9ms

DNSSEC

128ms

SRV

0ms

Total

1170ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-24 14:25:25	412ms	2 NS 0 A 0 MX	🔒 Secure
2026-10-04 07:51:37	409ms	2 NS 0 A 0 MX	🔒 Secure
2026-10-03 10:48:36	1178ms	2 NS 0 A 0 MX	🔒 Secure
2026-10-01 10:43:43	1053ms	2 NS 0 A 0 MX	🔒 Secure
2026-09-24 09:53:11	9435ms	2 NS 0 A 0 MX	🔒 Secure
2026-09-16 01:59:52	1124ms	2 NS 0 A 0 MX	🔒 Secure
2026-09-11 19:20:00	588ms	2 NS 0 A 0 MX	🔒 Secure
2026-09-01 03:43:22 shown	1170ms	2 NS 0 A 0 MX	🔒 Secure
2026-08-14 11:10:02	2864ms	2 NS 0 A 0 MX	🔒 Secure
2026-08-07 06:28:22	891ms	2 NS 0 A 0 MX	🔒 Secure
2026-07-21 13:25:52	781ms	2 NS 0 A 0 MX	🔒 Secure
2026-07-18 05:38:18	9701ms	2 NS 0 A 0 MX	🔒 Secure
2026-06-30 07:50:29	647ms	2 NS 0 A 0 MX	🔒 Secure
2026-06-19 19:29:53	2062ms	2 NS 0 A 0 MX	🔒 Secure
2026-06-17 12:55:15	1763ms	2 NS 0 A 0 MX	🔒 Secure