r4.dk

📜 Historical scan 2026-09-09 09:38:05 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

r4.dk is a .dk domain served by 2 nameservers (serenity.ns.cloudflare.com, vicky.ns.cloudflare.com). It was registered on 24 November 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. 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 59ms

Nameserver	IP addresses	PTR	ASN / ISP
serenity.ns.cloudflare.com	108.162.194.108 162.159.38.108 172.64.34.108 2606:4700:50::a29f:266c 2803:f800:50::6ca2:c26c 2a06:98c1:50::ac40:226c	serenity.ns.cloudflare.com serenity.ns.cloudflare.com serenity.ns.cloudflare.com serenity.ns.cloudflare.com serenity.ns.cloudflare.com serenity.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
vicky.ns.cloudflare.com	108.162.195.69 162.159.44.69 172.64.35.69 2606:4700:58::a29f:2c45 2803:f800:50::6ca2:c345 2a06:98c1:50::ac40:2345	vicky.ns.cloudflare.com vicky.ns.cloudflare.com vicky.ns.cloudflare.com vicky.ns.cloudflare.com vicky.ns.cloudflare.com vicky.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

🌍

No A records found

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 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 18:26:31

www	NXDOMAIN
www vs bare domain	Neither resolves r4.dk: no address www.r4.dk: no address
Wildcard	No

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.r4.dk	2j_RlZrC09ur0RSyvHt-5QZ3Bu__bb6cx2s6tBidnEM
TXT	_acme-challenge.r4.dk	Qz3Lm0gtHAEci7xZtwSv0-xrJUYTZUhM2XmB4blaomc

🔗 TLSA / DANE#

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

🔐 DNSSEC#

9069ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

0ms

Field	Value
Serial	2412010398
Primary NS (MNAME)	serenity.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-10 18:42:28

Field	Value
Registrar	Simply.com A/S
Registered	2023-11-24
Expires	2026-11-23 (34d)

📋 WHOIS#

⏱️ Lookup Timing#

59ms

65ms

64ms

AAAA

58ms

TXT

301ms

CAA

45ms

HTTPS

40ms

TLSA

56ms

SOA

0ms

MTA-STS

81ms

DNSSEC

9069ms

SRV

98ms

Total

9808ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 18:26:30	1925ms	2 NS 0 A 0 MX	🔓 Insecure
2026-10-02 14:34:04	413ms	2 NS 0 A 0 MX	🔓 Insecure
2026-09-21 15:22:23	1058ms	2 NS 0 A 0 MX	🔓 Insecure
2026-09-14 20:39:33	7325ms	2 NS 0 A 0 MX	🔓 Insecure
2026-09-09 09:38:05 shown	9808ms	2 NS 0 A 0 MX	🔓 Insecure
2026-08-12 23:18:23	8692ms	2 NS 0 A 0 MX	🔓 Insecure
2026-07-22 20:41:24	8619ms	2 NS 0 A 0 MX	🔓 Insecure
2026-07-06 17:54:31	2136ms	2 NS 0 A 0 MX	🔓 Insecure
2026-06-18 07:28:18	658ms	2 NS 1 A 0 MX	🔓 Insecure