df-extension.dk

📜 Historical scan 2026-08-20 08:48:45 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

df-extension.dk is a .dk domain served by 2 nameservers (aliza.ns.cloudflare.com, pranab.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.32.142 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 215ms

Nameserver	IP addresses	PTR	ASN / ISP
aliza.ns.cloudflare.com	108.162.194.55 162.159.38.55 172.64.34.55 2606:4700:50::a29f:2637 2803:f800:50::6ca2:c237 2a06:98c1:50::ac40:2237	aliza.ns.cloudflare.com aliza.ns.cloudflare.com aliza.ns.cloudflare.com aliza.ns.cloudflare.com aliza.ns.cloudflare.com aliza.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
pranab.ns.cloudflare.com	108.162.195.199 162.159.44.199 172.64.35.199 2606:4700:58::a29f:2cc7 2803:f800:50::6ca2:c3c7 2a06:98c1:50::ac40:23c7	pranab.ns.cloudflare.com pranab.ns.cloudflare.com pranab.ns.cloudflare.com pranab.ns.cloudflare.com pranab.ns.cloudflare.com pranab.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 355ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.32.142	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.152.98	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 281ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:9862	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::6815:208e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 179ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.32.142,172.67.152.98 ech=AEX+DQBBaQAgACBl1OZ+7gMKOQQvXVP5MhMvRI+X8kaVpG7CeXENKXfZIQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:9862,2606:4700:3034::6815:208e

📝 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 22:03:30

www	104.21.32.142 172.67.152.98 2606:4700:3033::ac43:9862 2606:4700:3034::6815:208e (AS13335) (address records, no CNAME)
www vs bare domain	Same network df-extension.dk: 104.21.32.142 172.67.152.98 2606:4700:3033::ac43:9862 2606:4700:3034::6815:208e (AS13335) www.df-extension.dk: 104.21.32.142 172.67.152.98 2606:4700:3033::ac43:9862 2606:4700:3034::6815:208e (AS13335)
Wildcard	No

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.df-extension.dk	KU-z064mEQ1TIQ7REfGgaycUkkVDSJ3ln4HvP07OJ7w
TXT	_acme-challenge.df-extension.dk	UocilZ5_lk8v43PkuczcBwBHZEwYOW-eKabvqNe5IiA

🔗 TLSA / DANE#

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

🔐 DNSSEC#

782ms

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	2412692070
Primary NS (MNAME)	aliza.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#

215ms

355ms

290ms

AAAA

281ms

TXT

993ms

CAA

223ms

HTTPS

179ms

TLSA

700ms

SOA

0ms

MTA-STS

440ms

DNSSEC

782ms

SRV

508ms

Total

10722ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-27 05:39:01	522ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-26 21:48:35	623ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-25 21:38:40	548ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-28 06:57:16	2472ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-27 03:40:19	795ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-22 10:54:48	8799ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-20 08:48:45 shown	10722ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-31 17:59:45	821ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-19 22:00:32	2554ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 02:50:54	1246ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 02:30:14	459ms	2 NS 2 A 0 MX	🔓 Insecure