czuba.dk

📜 Historical scan 2026-06-16 23:30:39 · ← 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 38ms

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

🌍 A Records#

2 records 36ms

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 37ms

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 36ms

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#

111ms

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

🏷️ SOA#

35ms

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#

38ms

36ms

35ms

AAAA

37ms

TXT

2122ms

CAA

36ms

HTTPS

36ms

TLSA

55ms

SOA

35ms

MTA-STS

48ms

DNSSEC

111ms

SRV

0ms

Total

2405ms

🕐 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	1320ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-16 23:30:39 shown	2405ms	2 NS 2 A 0 MX	🔓 Insecure