jfkk.dk

📜 Historical scan 2026-06-17 13:29:02  ·  ← 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   2072ms

🌍 A Records#

1 records   2080ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.183.138.100 — — AS47292 Sentia Denmark A/S 46.183.138.0/23 🇩🇰 Denmark —

📧 MX Records#

3 records   333ms

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records   1184ms
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)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

206ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

86ms
FieldValue
Serial2026061203
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
2072ms
A
2080ms
MX
333ms
AAAA
75ms
TXT
1184ms
CAA
71ms
HTTPS
56ms
TLSA
192ms
SOA
86ms
MTA-STS
493ms
DNSSEC
206ms
SRV
0ms
Total
3804ms

🕐 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 1124ms 5 NS 1 A 3 MX 🔓 Insecure
2026-06-17 13:29:02 shown 3804ms 5 NS 1 A 3 MX 🔓 Insecure
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