dudu.dk

📜 Historical scan 2026-09-15 12:31:53 · ← 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). 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 106ms

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 130ms

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#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 150ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:dbf1	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:3e26	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 135ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.62.38,172.67.219.241 ech=AEX+DQBBmQAgACAng2YnjG0J4utJNven/M2FNJ1NThjAJXgPh4QV32b2PAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= 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

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.dudu.dk	Hy9Kjcc2AFFOTrD2Dsh8tzeV4LxhPllXzJ7LcdzZKwQ
TXT	_acme-challenge.dudu.dk	QhL69cMTxvsCu5bzM_ZwfsHHkb3dkU2kHMjzR-xB3Qo

🔗 TLSA / DANE#

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

🔐 DNSSEC#

201ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2414844687
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#

106ms

130ms

139ms

AAAA

150ms

TXT

274ms

CAA

133ms

HTTPS

135ms

TLSA

399ms

SOA

0ms

MTA-STS

119ms

DNSSEC

201ms

SRV

136ms

Total

1888ms

🕐 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 shown	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	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