jfkk.dk

📜 Historical scan 2026-08-21 00:37:09  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jfkk.dk is a .dk domain served by 5 nameservers (ns1.gigahost.dk, ns2.gigahost.dk, ns3.gigahost.dk and 2 more). It was registered on 11 April 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.109.37 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx1.gigahost.dk, mx2.gigahost.dk and 1 more. The zone is not DNSSEC-signed, 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#

5 records   245ms

🌍 A Records#

1 records   269ms

📧 MX Records#

3 records   287ms

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverjfkk.dk → 94.231.109.37
🔶 Autoconfigjfkk.dk → 94.231.109.37

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records   318ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 autodiscover.gigahost.dk

📝 TXT Records#

3 records   861ms
TXT Record
spf2.0/pra
v=spf1 mx include:spf.gigahost.dk -all
v=spf1 mx include:spf.gigahost.dk ~all

✉️ SPF#

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)
PolicyRecord (jfkk.dk)
-all (hard fail) v=spf1 mx include:spf.gigahost.dk -all
~all (soft fail) v=spf1 mx include:spf.gigahost.dk ~all

📨 DMARC#

PolicyRecord (_dmarc.jfkk.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 2026-10-15 09:28:33
www CNAMEjfkk.dk (all on jfkk.dk)
www vs bare domainSame network
jfkk.dk: 94.231.109.37 (AS48854)
www.jfkk.dk: 94.231.109.37 (AS48854)
WildcardYes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

  • error 2 SPF records: receivers must treat that as a permanent error (RFC 7208 §4.5)

🔏 ACME Challenge#

TypeNameValue
CNAME _acme-challenge.jfkk.dk jfkk.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

529ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2026082001
Primary NS (MNAME)ns1.gigahost.dk
Responsible (RNAME)hostmaster@jfkk.dk
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-08 21:40:23
FieldValue
RegistrarGIGAHOST ApS
Registered2002-04-11
Expires2027-06-30 (255d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
245ms
A
269ms
MX
287ms
AAAA
273ms
TXT
861ms
CAA
259ms
HTTPS
389ms
TLSA
348ms
SOA
0ms
MTA-STS
357ms
DNSSEC
529ms
SRV
318ms
Total
5719ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-15 09:28:33 990ms 5 NS 1 A 3 MX 🔓 Insecure
2026-10-08 21:29:10 1005ms 5 NS 1 A 3 MX 🔓 Insecure
2026-10-01 20:39:56 735ms 5 NS 1 A 3 MX 🔓 Insecure
2026-09-24 19:20:29 912ms 5 NS 1 A 3 MX 🔓 Insecure
2026-09-19 16:02:45 890ms 5 NS 1 A 3 MX 🔓 Insecure
2026-09-12 14:53:17 1202ms 5 NS 1 A 3 MX 🔓 Insecure
2026-09-08 23:24:37 809ms 5 NS 1 A 3 MX 🔓 Insecure
2026-09-03 10:35:07 1279ms 5 NS 1 A 3 MX 🔓 Insecure
2026-08-27 02:27:27 964ms 5 NS 1 A 3 MX 🔓 Insecure
2026-08-21 00:37:09 shown 5719ms 5 NS 1 A 3 MX 🔓 Insecure
2026-08-13 04:45:06 3282ms 5 NS 1 A 3 MX 🔓 Insecure
2026-08-06 16:00:08 1946ms 5 NS 1 A 3 MX 🔓 Insecure
2026-08-02 14:28:23 1482ms 5 NS 1 A 3 MX 🔓 Insecure
2026-07-23 19:12:20 939ms 5 NS 1 A 3 MX 🔓 Insecure
2026-07-17 06:25:15 1600ms 5 NS 1 A 3 MX 🔓 Insecure
2026-07-15 16:52:35 1054ms 5 NS 1 A 3 MX 🔓 Insecure
2026-07-03 21:22:12 1146ms 5 NS 1 A 3 MX 🔓 Insecure
2026-06-26 20:44:29 893ms 5 NS 1 A 3 MX 🔓 Insecure
2026-06-24 16:11:48 721ms 5 NS 1 A 3 MX 🔓 Insecure
2026-06-21 19:58:43 629ms 5 NS 1 A 3 MX 🔓 Insecure
2026-06-19 08:33:34 1124ms 5 NS 1 A 3 MX 🔓 Insecure
2026-06-17 13:29:02 3804ms 5 NS 1 A 3 MX 🔓 Insecure
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