jfkk.dk

📜 Historical scan 2026-06-19 08:33:34  ·  ← 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 46.183.138.100 is hosted by Sentia Denmark A/S (AS47292) 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   82ms

🌍 A Records#

1 records   54ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.183.138.100 3600s — AS47292 Sentia Denmark A/S 46.183.138.0/23 🇩🇰 Denmark —

📧 MX Records#

3 records   369ms

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverjfkk.dk → 46.183.138.100
🔶 Autoconfigjfkk.dk → 46.183.138.100

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records   612ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 autodiscover.gigahost.dk

📝 TXT Records#

3 records   647ms
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#

195ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2026061801
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
82ms
A
54ms
MX
369ms
AAAA
199ms
TXT
647ms
CAA
94ms
HTTPS
52ms
TLSA
60ms
SOA
0ms
MTA-STS
119ms
DNSSEC
195ms
SRV
612ms
Total
1124ms

🕐 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 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 shown 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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