dns6k.dk

📜 Historical scan 2026-06-17 04:01:48 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dns6k.dk is a .dk domain served by 2 nameservers (davina.ns.cloudflare.com, matias.ns.cloudflare.com). It was registered on 25 September 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.17.220 is hosted by Cloudflare, Inc. (AS13335). The zone is DNSSEC-signed but currently fails validation, has no DMARC policy and is reachable over IPv6. 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 42ms

Nameserver	IP addresses	PTR	ASN / ISP
davina.ns.cloudflare.com	—	—	—
matias.ns.cloudflare.com	—	—	—

🌍 A Records#

2 records 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.17.220	—	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.178.154	—	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 49ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::6815:11dc	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:b29a	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 31ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.17.220,172.67.178.154 ech=AEX+DQBBbgAgACB4DR5gWJfMb8ThEudjXgbdGijjNCs106cx5Oz3+3/wBAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:11dc,2606:4700:3035::ac43:b29a

📝 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 04:23:33

www	104.21.17.220 172.67.178.154 2606:4700:3030::6815:11dc 2606:4700:3035::ac43:b29a (AS13335) (address records, no CNAME)
www vs bare domain	Same network dns6k.dk: 104.21.17.220 172.67.178.154 2606:4700:3030::6815:11dc 2606:4700:3035::ac43:b29a (AS13335) www.dns6k.dk: 104.21.17.220 172.67.178.154 2606:4700:3030::6815:11dc 2606:4700:3035::ac43:b29a (AS13335)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

63ms

Check	Result
Validation Status	⚠️ Bogus
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	broken trust chain resolving 'dns6k.dk/A/IN': 127.0.0.1#53

🏷️ SOA#

24ms

Field	Value
Serial	2406221321
Primary NS (MNAME)	davina.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-03 01:55:57

Field	Value
Registrar	Simply.com A/S
Registered	2025-09-25
Expires	2027-09-24 (341d)

📋 WHOIS#

⏱️ Lookup Timing#

42ms

35ms

32ms

AAAA

49ms

TXT

108ms

CAA

68ms

HTTPS

31ms

TLSA

50ms

SOA

24ms

MTA-STS

51ms

DNSSEC

63ms

SRV

0ms

Total

318ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 01:24:13	861ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-01 01:14:55	852ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-16 10:03:18	696ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-27 22:17:10	637ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-16 18:46:25	1208ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-07 06:26:35	1727ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-18 10:40:05	2666ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-25 10:45:17	1006ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 04:16:47	1313ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 04:16:14	8232ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 04:01:48 shown	318ms	2 NS 2 A 0 MX	⚠️ Bogus
2026-06-17 04:01:14	545ms	2 NS 2 A 0 MX	🔓 Insecure