4security.dk

📜 Historical scan 2026-09-03 21:31:25 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

4security.dk is a .dk domain served by 2 nameservers (brynne.ns.cloudflare.com, woz.ns.cloudflare.com). It was registered on 25 August 2026 (WHOIS) and first appeared in the .dk zone on 26 August 2026. Its website address 104.21.58.242 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 40ms

Nameserver	IP addresses	PTR	ASN / ISP
brynne.ns.cloudflare.com	108.162.194.65 162.159.38.65 172.64.34.65 2606:4700:50::a29f:2641 2803:f800:50::6ca2:c241 2a06:98c1:50::ac40:2241	brynne.ns.cloudflare.com brynne.ns.cloudflare.com brynne.ns.cloudflare.com brynne.ns.cloudflare.com brynne.ns.cloudflare.com brynne.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
woz.ns.cloudflare.com	108.162.193.150 172.64.33.150 173.245.59.150 2606:4700:58::adf5:3b96 2803:f800:50::6ca2:c196 2a06:98c1:50::ac40:2196	woz.ns.cloudflare.com woz.ns.cloudflare.com woz.ns.cloudflare.com woz.ns.cloudflare.com woz.ns.cloudflare.com woz.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 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.58.242	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.166.71	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 32ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:3af2	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:a647	300s	—	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=104.21.58.242,172.67.166.71 ech=AEX+DQBBlwAgACCtFqwRJUzoqdAUv75f2pNyS4oUoT4EB7sVsTUXlEeocQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:3af2,2606:4700:3037::ac43:a647

📝 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 09:10:29

www	104.21.58.242 172.67.166.71 2606:4700:3030::6815:3af2 2606:4700:3037::ac43:a647 (AS13335) (address records, no CNAME)
www vs bare domain	Same network 4security.dk: 104.21.58.242 172.67.166.71 2606:4700:3030::6815:3af2 2606:4700:3037::ac43:a647 (AS13335) www.4security.dk: 104.21.58.242 172.67.166.71 2606:4700:3030::6815:3af2 2606:4700:3037::ac43:a647 (AS13335)
Wildcard	No

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.4security.dk	JFAR6YqIlWtybkieP1YIJlOcc-sS84ibQ-ns8jWEOgM
TXT	_acme-challenge.4security.dk	au-cKvOBrMl5wc8OHKmXN5e0-Wxn-1AvFr4OfUUUwsk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

110ms

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	2413730982
Primary NS (MNAME)	brynne.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-08-31 02:52:34

Field	Value
Registrar	Openprovider
Registered	2026-08-25
Expires	2027-08-24 (311d)

📋 WHOIS#

⏱️ Lookup Timing#

40ms

35ms

33ms

AAAA

32ms

TXT

154ms

CAA

41ms

HTTPS

36ms

TLSA

40ms

SOA

0ms

MTA-STS

53ms

DNSSEC

110ms

SRV

54ms

Total

513ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-09 17:36:13	1380ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-03 21:31:25 shown	513ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-31 02:52:02	1482ms	2 NS 0 A 0 MX	🔓 Insecure
2026-08-28 03:56:55	2397ms	2 NS 0 A 0 MX	🔓 Insecure
2026-08-26 08:34:58	374ms	2 NS 0 A 0 MX	🔓 Insecure