cno3.dk

📜 Historical scan 2026-10-09 09:23:29 · ← Latest scan

🚫 Deactivated by the registry ⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cno3.dk is a .dk domain the registry has taken out of service: it is delegated to the registry's own sentinel nameservers (nonexistent.punktum.dk), so it does not resolve. It was registered on 22 September 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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#

1 records 50ms

Nameserver	IP addresses	PTR	ASN / ISP
nonexistent.punktum.dk	—	—	—

🌍 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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

161ms

Check	Result
Validation Status	❓ Unknown (the delegated nameservers don't answer)
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: failure

🏷️ SOA#

✗ No SOA record found

📋 Registration#

WHOIS fetched 2026-10-06 02:44:15

Field	Value
Registrar	Simply.com A/S
Registered	2025-09-22
Expires	2026-09-21 (expired)

📋 WHOIS#

⏱️ Lookup Timing#

50ms

41ms

42ms

AAAA

58ms

TXT

142ms

CAA

46ms

HTTPS

56ms

TLSA

37ms

SOA

28ms

MTA-STS

80ms

DNSSEC

161ms

SRV

65ms

Total

1146ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-23 10:54:33	634ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-22 08:26:50	331ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-21 07:20:14	136ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-20 01:30:33	211ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-19 00:48:37	124ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-18 00:27:08	328ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-16 23:41:14	206ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-15 21:44:32	100ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-14 20:22:02	347ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-13 19:45:08	229ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-12 19:03:29	324ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-11 16:40:47	152ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-10 12:41:42	202ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-09 10:29:53	658ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-09 09:23:29 shown	1146ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-08 09:16:56	814ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-07 09:05:46	212ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-06 06:45:59	141ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-05 06:14:39	237ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-04 06:00:48	292ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-03 05:59:59	231ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-02 05:58:55	236ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-01 05:50:43	250ms	1 NS 0 A 0 MX	❓ Unknown
2026-09-30 05:45:06	325ms	1 NS 0 A 0 MX	❓ Unknown
2026-09-29 05:38:25	205ms	1 NS 0 A 0 MX	❓ Unknown