ckff.dk

📜 Historical scan 2026-06-16 21:01:10 · ← 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 57ms

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

🌍 A Records#

1 records 85ms

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 58ms

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 190ms

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#

197ms

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

🏷️ SOA#

57ms

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#

57ms

85ms

58ms

AAAA

83ms

TXT

190ms

CAA

54ms

HTTPS

83ms

TLSA

54ms

SOA

57ms

MTA-STS

51ms

DNSSEC

197ms

SRV

0ms

Total

579ms

🕐 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	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 shown	579ms	2 NS 1 A 2 MX	🔒 Secure