c20.dk

📜 Historical scan 2026-09-30 15:40:27 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

c20.dk is a .dk domain served by 2 nameservers (alex.ns.cloudflare.com, cheryl.ns.cloudflare.com). It was registered on 21 April 2026 (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 44ms

Nameserver	IP addresses	PTR	ASN / ISP
alex.ns.cloudflare.com	108.162.193.100 172.64.33.100 173.245.59.100 2606:4700:58::adf5:3b64 2803:f800:50::6ca2:c164 2a06:98c1:50::ac40:2164	alex.ns.cloudflare.com alex.ns.cloudflare.com alex.ns.cloudflare.com alex.ns.cloudflare.com alex.ns.cloudflare.com alex.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
cheryl.ns.cloudflare.com	108.162.192.83 172.64.32.83 173.245.58.83 2606:4700:50::adf5:3a53 2803:f800:50::6ca2:c053 2a06:98c1:50::ac40:2053	cheryl.ns.cloudflare.com cheryl.ns.cloudflare.com cheryl.ns.cloudflare.com cheryl.ns.cloudflare.com cheryl.ns.cloudflare.com cheryl.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 2026-10-09 23:55:09

www	NXDOMAIN
www vs bare domain	Neither resolves c20.dk: no address www.c20.dk: no address
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

70ms

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#

41ms

Field	Value
Serial	2411943300
Primary NS (MNAME)	alex.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-15 05:38:50

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2026-04-21
Expires	2027-04-20 (184d)

📋 WHOIS#

⏱️ Lookup Timing#

44ms

38ms

33ms

AAAA

27ms

TXT

185ms

CAA

42ms

HTTPS

27ms

TLSA

38ms

SOA

41ms

MTA-STS

73ms

DNSSEC

70ms

SRV

60ms

Total

410ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 23:55:09	512ms	2 NS 0 A 0 MX	🔓 Insecure
2026-09-30 15:40:27 shown	410ms	2 NS 0 A 0 MX	🔓 Insecure
2026-09-29 20:39:20	329ms	2 NS 0 A 0 MX	🔓 Insecure
2026-09-15 20:57:58	447ms	2 NS 0 A 0 MX	🔓 Insecure
2026-09-06 01:32:02	486ms	2 NS 0 A 0 MX	🔓 Insecure
2026-08-12 01:06:55	720ms	2 NS 0 A 0 MX	🔓 Insecure
2026-06-28 00:26:40	661ms	2 NS 0 A 0 MX	🔓 Insecure
2026-06-24 04:23:21	628ms	2 NS 0 A 0 MX	🔓 Insecure
2026-06-23 21:47:12	1311ms	2 NS 0 A 0 MX	🔓 Insecure
2026-06-22 08:04:12	1176ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 18:44:50	248ms	2 NS 0 A 0 MX	🔓 Insecure
2026-06-16 18:40:38	290ms	2 NS 0 A 0 MX	🔓 Insecure