klassenskriver.dk

📜 Historical scan 2026-06-17 14:45:09 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

klassenskriver.dk is a .dk domain served by 2 nameservers (jobs.ns.cloudflare.com, liv.ns.cloudflare.com). It was registered on 2 October 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.48.187 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 35ms

Nameserver	IP addresses	PTR	ASN / ISP
jobs.ns.cloudflare.com	108.162.193.183 172.64.33.183 173.245.59.183 2606:4700:58::adf5:3bb7 2803:f800:50::6ca2:c1b7 2a06:98c1:50::ac40:21b7	jobs.ns.cloudflare.com jobs.ns.cloudflare.com jobs.ns.cloudflare.com jobs.ns.cloudflare.com jobs.ns.cloudflare.com jobs.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
liv.ns.cloudflare.com	108.162.192.188 172.64.32.188 173.245.58.188 2606:4700:50::adf5:3abc 2803:f800:50::6ca2:c0bc 2a06:98c1:50::ac40:20bc	liv.ns.cloudflare.com liv.ns.cloudflare.com liv.ns.cloudflare.com liv.ns.cloudflare.com liv.ns.cloudflare.com liv.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.48.187	—	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.187.196	—	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 32ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:30bb	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:bbc4	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 34ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.48.187,172.67.187.196 ech=AEX+DQBBOwAgACAG1eGjqSgaba5UXmh5eE84iX3ffsXq/5DpIUhEmpCbbQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:30bb,2606:4700:3033::ac43:bbc4

📝 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 2026-10-09 13:42:17

www	104.21.48.187 172.67.187.196 2606:4700:3033::ac43:bbc4 2606:4700:3036::6815:30bb (AS13335) (address records, no CNAME)
www vs bare domain	Same network klassenskriver.dk: 104.21.48.187 172.67.187.196 2606:4700:3033::ac43:bbc4 2606:4700:3036::6815:30bb (AS13335) www.klassenskriver.dk: 104.21.48.187 172.67.187.196 2606:4700:3033::ac43:bbc4 2606:4700:3036::6815:30bb (AS13335)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

144ms

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

🏷️ SOA#

36ms

Field	Value
Serial	2406357345
Primary NS (MNAME)	jobs.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-04 07:34:46

Field	Value
Registrar	ONE.COM A/S
Registered	2024-10-02
Expires	2027-10-01 (347d)

📋 WHOIS#

⏱️ Lookup Timing#

35ms

32ms

40ms

AAAA

32ms

TXT

114ms

CAA

34ms

HTTPS

34ms

TLSA

137ms

SOA

36ms

MTA-STS

90ms

DNSSEC

144ms

SRV

0ms

Total

1065ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 13:42:17	933ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-04 07:30:36	500ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-01 07:21:06	611ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-29 16:04:43	616ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-27 20:51:28	2393ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-17 06:41:07	1390ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-13 21:12:15	1419ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-05 19:25:42	1003ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-06 11:41:36	972ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-16 18:50:35	16787ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-27 13:01:01	798ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 14:45:09 shown	1065ms	2 NS 2 A 0 MX	🔓 Insecure