ckfix.dk

📜 Historical scan 2026-08-28 04:00:11 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ckfix.dk is a .dk domain served by 2 nameservers (duke.ns.cloudflare.com, kiki.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.90.180 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, publishes a 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 29ms

Nameserver	IP addresses	PTR	ASN / ISP
duke.ns.cloudflare.com	108.162.193.110 172.64.33.110 173.245.59.110 2606:4700:58::adf5:3b6e 2803:f800:50::6ca2:c16e 2a06:98c1:50::ac40:216e	duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
kiki.ns.cloudflare.com	108.162.192.180 172.64.32.180 173.245.58.180 2606:4700:50::adf5:3ab4 2803:f800:50::6ca2:c0b4 2a06:98c1:50::ac40:20b4	kiki.ns.cloudflare.com kiki.ns.cloudflare.com kiki.ns.cloudflare.com kiki.ns.cloudflare.com kiki.ns.cloudflare.com kiki.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 27ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.90.180	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.203.92	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 31ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:cb5c	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:5ab4	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 29ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.90.180,172.67.203.92 ech=AEX+DQBBzwAgACBTSB3apXixaEI71fZoMKUzij6ilRhhH7A4KRauzohfNQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:cb5c,2606:4700:3037::6815:5ab4

📝 TXT Records#

1 records 129ms

TXT Record
v=spf1 mx a ip4:84.19.174.8 ~all

✉️ SPF#

Policy	Record (ckfix.dk)
~all (soft fail)	v=spf1 mx a ip4:84.19.174.8 ~all

📨 DMARC#

Policy	Record (_dmarc.ckfix.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:martin@zakobo.dk; ruf=mailto:martin@zakobo.dk; fo=0:1:d:s; adkim=s; aspf=s; rf=afrf:iodef

📬 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 2026-10-08 07:52:44

www	104.21.90.180 172.67.203.92 2606:4700:3033::ac43:cb5c 2606:4700:3037::6815:5ab4 (AS13335) (address records, no CNAME)
www vs bare domain	Same network ckfix.dk: 104.21.90.180 172.67.203.92 2606:4700:3033::ac43:cb5c 2606:4700:3037::6815:5ab4 (AS13335) www.ckfix.dk: 104.21.90.180 172.67.203.92 2606:4700:3033::ac43:cb5c 2606:4700:3037::6815:5ab4 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

96ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2413346639
Primary NS (MNAME)	duke.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

29ms

27ms

23ms

AAAA

31ms

TXT

129ms

CAA

34ms

HTTPS

29ms

TLSA

38ms

SOA

0ms

MTA-STS

53ms

DNSSEC

96ms

SRV

42ms

Total

514ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-26 03:56:25	587ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-28 04:00:11 shown	514ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-27 01:57:39	509ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-15 18:19:44	923ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-05 05:32:34	1368ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-01 08:14:12	974ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-25 15:28:51	1211ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-16 21:23:17	40083ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-16 21:11:04	577ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-16 21:09:45	1598ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-16 21:00:21	603ms	2 NS 1 A 1 MX	🔓 Insecure