cø.dk xn--c-5ga.dk

📜 Historical scan 2026-09-19 08:46:21 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cø.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 1 September 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is DNSSEC-signed and validates, 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 30ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 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#

1 records 125ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (cø.dk)
-all (hard fail)	v=spf1 -all

📨 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 2026-10-01 01:05:16

www	NXDOMAIN
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

119ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

0ms

Field	Value
Serial	2026091801
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-03 01:36:10

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2020-09-01
Expires	2026-09-30 (expired)

📋 WHOIS#

⏱️ Lookup Timing#

30ms

38ms

AAAA

35ms

TXT

125ms

CAA

36ms

HTTPS

32ms

TLSA

25ms

SOA

0ms

MTA-STS

45ms

DNSSEC

119ms

SRV

44ms

Total

458ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-22 02:03:40	299ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-19 11:25:46	95ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-18 11:17:27	334ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-17 10:53:55	229ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-15 07:44:32	120ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-14 06:23:22	412ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-12 17:46:43	122ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-11 16:43:17	104ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-10 16:04:02	320ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-09 02:19:06	262ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-08 02:16:27	228ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-06 01:29:56	105ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-05 01:28:50	238ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-04 01:11:35	145ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-03 01:10:52	312ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-02 01:09:48	936ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-01 01:05:16	358ms	2 NS 0 A 0 MX	🔒 Secure
2026-09-30 06:04:32	479ms	2 NS 0 A 0 MX	🔒 Secure
2026-09-28 05:22:17	408ms	2 NS 0 A 0 MX	🔒 Secure
2026-09-27 05:08:33	417ms	2 NS 0 A 0 MX	🔒 Secure
2026-09-26 04:59:57	428ms	2 NS 0 A 0 MX	🔒 Secure
2026-09-25 04:28:18	436ms	2 NS 0 A 0 MX	🔒 Secure
2026-09-24 04:02:24	482ms	2 NS 0 A 0 MX	🔒 Secure
2026-09-23 00:16:35	418ms	2 NS 0 A 0 MX	🔒 Secure
2026-09-19 08:46:21 shown	458ms	2 NS 0 A 0 MX	🔒 Secure