c5.dk

📜 Historical scan 2026-06-16 18:40:20 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

c5.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 21 November 2024 (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#

3 records 59ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	—	—	—
ns2.simply.com	—	—	—
ns3.simply.com	—	—	—

🌍 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 2026-10-07 22:10:46

www	NXDOMAIN
www vs bare domain	Neither resolves c5.dk: no address www.c5.dk: no address
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

190ms

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

🏷️ SOA#

60ms

Field	Value
Serial	2024111901
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-12 15:42:31

Field	Value
Registrar	Simply.com A/S
Registered	2024-11-21
Expires	2026-11-20 (31d)

🔗 Same registrant#

3 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
gidex-vest.dk	Punktum dk A/S (direct)
skyfi.dk	Punktum dk A/S (direct)
unifoss.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

59ms

67ms

56ms

AAAA

57ms

TXT

2133ms

CAA

57ms

HTTPS

58ms

TLSA

62ms

SOA

60ms

MTA-STS

51ms

DNSSEC

190ms

SRV

0ms

Total

2342ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 21:11:36	523ms	3 NS 0 A 0 MX	🔓 Insecure
2026-09-25 19:53:46	375ms	3 NS 0 A 0 MX	🔓 Insecure
2026-06-20 07:10:03	1311ms	3 NS 0 A 0 MX	🔓 Insecure
2026-06-19 11:18:26	1086ms	3 NS 0 A 0 MX	🔓 Insecure
2026-06-16 18:42:35	264ms	3 NS 0 A 0 MX	🔓 Insecure
2026-06-16 18:40:20 shown	2342ms	3 NS 0 A 0 MX	🔓 Insecure