ckff.dk

📜 Historical scan 2026-06-16 22:51:28 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ckff.dk is a .dk domain served by 2 nameservers (dns1.cscdns.net, dns2.cscdns.net). It was registered on 14 August 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 128.0.75.219 is hosted by Region Hovedstaden (AS198631) in Denmark. Mail is handled by smtp1.speednames.com, smtp2.speednames.com. The zone is DNSSEC-signed and validates, publishes a 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 1102ms

Nameserver	IP addresses	PTR	ASN / ISP
dns1.cscdns.net	—	—	—
dns2.cscdns.net	—	—	—

🌍 A Records#

1 records 479ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
128.0.75.219	—	—	AS198631	Region Hovedstaden	128.0.72.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records#

2 records 1032ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	smtp1.speednames.com	185.26.230.84	mxa.speednames.com	—
20	—	smtp2.speednames.com	185.26.230.90	mxb.speednames.com	—

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 6843ms

TXT Record
v=spf1 -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.ckff.dk)
p=reject	v=DMARC1; p=reject;

📬 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 2026-10-11 00:14:04

www	128.0.75.219 (AS198631) (address records, no CNAME)
www vs bare domain	Same network ckff.dk: 128.0.75.219 (AS198631) www.ckff.dk: 128.0.75.219 (AS198631)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
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#

7538ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

1096ms

Field	Value
Serial	2018080815
Primary NS (MNAME)	dns1.cscdns.net
Responsible (RNAME)	hostmaster@cscdns.net
Refresh	10800s
Retry	1800s
Expire	3600000s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-11 08:02:33

Field	Value
Registrar	CSC Digital Brand Service, Inc
Registered	2018-08-14
Expires	2027-08-31 (318d)

📋 WHOIS#

⏱️ Lookup Timing#

1102ms

479ms

1032ms

AAAA

807ms

TXT

6843ms

CAA

994ms

HTTPS

200ms

TLSA

6584ms

SOA

1096ms

MTA-STS

1008ms

DNSSEC

7538ms

SRV

0ms

Total

65535ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-02 00:38:55	733ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-31 13:32:04	2716ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-27 23:52:07	741ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-20 05:05:55	799ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-16 22:51:28 shown	65535ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-16 21:11:06	493ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-16 21:11:02	1921ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-16 21:01:10	579ms	2 NS 1 A 2 MX	🔒 Secure