dudu.dk

📜 Historical scan 2026-08-22 11:42:33 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dudu.dk is a .dk domain served by 2 nameservers (ezra.ns.cloudflare.com, jewel.ns.cloudflare.com). It was registered on 14 June 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.62.38 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by _dc-mx.0379f7195d0d.dudu.dk. 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 18ms

Nameserver	IP addresses	PTR	ASN / ISP
ezra.ns.cloudflare.com	108.162.195.15 162.159.44.15 172.64.35.15 2606:4700:58::a29f:2c0f 2803:f800:50::6ca2:c30f 2a06:98c1:50::ac40:230f	ezra.ns.cloudflare.com ezra.ns.cloudflare.com ezra.ns.cloudflare.com ezra.ns.cloudflare.com ezra.ns.cloudflare.com ezra.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
jewel.ns.cloudflare.com	108.162.194.171 162.159.38.171 172.64.34.171 2606:4700:50::a29f:26ab 2803:f800:50::6ca2:c2ab 2a06:98c1:50::ac40:22ab	jewel.ns.cloudflare.com jewel.ns.cloudflare.com jewel.ns.cloudflare.com jewel.ns.cloudflare.com jewel.ns.cloudflare.com jewel.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 14ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.62.38	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.219.241	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 9ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	_dc-mx.0379f7195d0d.dudu.dk	195.242.130.226	sibba.euhosting.dk	AS62121 Christian Ebsen ApS

🔷 AAAA Records (IPv6)#

2 records 7ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:dbf1	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000::/42	—	—
2606:4700:3036::6815:3e26	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000::/42	—	—

🔐 HTTPS Records#

1 records 21ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.62.38,172.67.219.241 ech=AEX+DQBBFQAgACD6bnwLaSPZH4MTaMS4qqwJKHCqnhu/SRXFMNGnA1B3fAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:dbf1,2606:4700:3036::6815:3e26

📝 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 2026-10-12 21:05:53

www	104.21.62.38 172.67.219.241 2606:4700:3031::ac43:dbf1 2606:4700:3036::6815:3e26 (AS13335) (address records, no CNAME)
www vs bare domain	Same network dudu.dk: 104.21.62.38 172.67.219.241 2606:4700:3031::ac43:dbf1 2606:4700:3036::6815:3e26 (AS13335) www.dudu.dk: 104.21.62.38 172.67.219.241 2606:4700:3031::ac43:dbf1 2606:4700:3036::6815:3e26 (AS13335)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

119ms

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

🏷️ SOA#

6ms

Field	Value
Serial	2409094899
Primary NS (MNAME)	ezra.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-19 20:54:39

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2021-06-14
Expires	2027-06-30 (248d)

📋 WHOIS#

⏱️ Lookup Timing#

18ms

14ms

9ms

AAAA

7ms

TXT

48ms

CAA

8ms

HTTPS

21ms

TLSA

61ms

SOA

6ms

MTA-STS

9ms

DNSSEC

119ms

SRV

0ms

Total

7367ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 10:36:27	647ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-24 04:10:44	621ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-21 16:39:09	686ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-15 12:31:53	1888ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-08 10:02:31	1130ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-05 07:31:15	9502ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-04 03:03:11	1188ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-28 05:21:39	570ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-26 05:10:29	641ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-22 11:42:33 shown	7367ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-10 19:57:56	829ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 04:56:08	2395ms	2 NS 2 A 0 MX	🔓 Insecure