czuba.dk

📜 Historical scan 2026-06-16 23:55:29 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

czuba.dk is a .dk domain served by 2 nameservers (darwin.ns.cloudflare.com, fish.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.16.133 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 189ms

Nameserver	IP addresses	PTR	ASN / ISP
darwin.ns.cloudflare.com	—	—	—
fish.ns.cloudflare.com	—	—	—

🌍 A Records#

2 records 133ms

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

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 155ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::ac43:d4ba	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:1085	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 167ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.16.133,172.67.212.186 ech=AEX+DQBBxAAgACDj7TsM1XQ2Je0M+m3yUJPxgZYPa5bYDBn/ZlIFcoqSfQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:d4ba,2606:4700:3036::6815:1085

📝 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 2026-10-10 15:31:04

www	NXDOMAIN
www vs bare domain	www does not resolve czuba.dk: 104.21.16.133 172.67.212.186 2606:4700:3033::6815:1085 2606:4700:3033::ac43:d4ba (AS13335) www.czuba.dk: no address (all like this)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

305ms

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

🏷️ SOA#

191ms

Field	Value
Serial	2405319937
Primary NS (MNAME)	darwin.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

189ms

133ms

132ms

AAAA

155ms

TXT

299ms

CAA

173ms

HTTPS

167ms

TLSA

155ms

SOA

191ms

MTA-STS

182ms

DNSSEC

305ms

SRV

0ms

Total

1320ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-25 00:17:16	2370ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-23 14:51:31	609ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-27 21:04:55	498ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-25 01:51:04	9914ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-29 02:47:01	938ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-27 14:43:21	767ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-24 22:14:24	2238ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-16 23:55:29 shown	1320ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-16 23:30:39	2405ms	2 NS 2 A 0 MX	🔓 Insecure