jkmbyg.dk

📜 Historical scan 2026-09-17 22:02:56 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jkmbyg.dk is a .dk domain served by 2 nameservers (dns-c.duelhost.dk, dns-d.duelhost.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 142.132.130.246 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mail.jkmbyg.dk. 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#

2 records 191ms

Nameserver	IP addresses	PTR	ASN / ISP
dns-c.duelhost.dk	142.132.130.246	cde2.duelhost.dk	AS24940 Hetzner Online GmbH
dns-d.duelhost.dk	195.201.247.4	dns-d.duelhost.dk	AS24940 Hetzner Online GmbH

🌍 A Records#

1 records 188ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
142.132.130.246	300s	cde2.duelhost.dk	AS24940	Hetzner Online GmbH	142.132.128.0/17	🇩🇪 Germany	Falkenstein

📧 MX Records#

1 records 187ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.jkmbyg.dk	142.132.130.246	cde2.duelhost.dk	AS24940 Hetzner Online GmbH

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 483ms

TXT Record
v=spf1 a mx include:relay.mailchannels.net -all

✉️ SPF#

Policy	Record (jkmbyg.dk)
-all (hard fail)	v=spf1 a mx include:relay.mailchannels.net -all

📨 DMARC#

Policy	Record (_dmarc.jkmbyg.dk)
p=none (monitor only)	v=DMARC1; p=none; sp=none

📬 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 2026-10-07 15:19:57

www	195.242.131.100 (AS62121) (address records, no CNAME)
www vs bare domain	Same network jkmbyg.dk: 195.242.131.100 (AS62121) www.jkmbyg.dk: 195.242.131.100 (AS62121)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

250ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2026091303
Primary NS (MNAME)	dns-c.duelhost.dk
Responsible (RNAME)	hostmaster@jkmbyg.dk
Refresh	3600s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

191ms

188ms

187ms

AAAA

154ms

TXT

483ms

CAA

146ms

HTTPS

173ms

TLSA

143ms

SOA

0ms

MTA-STS

224ms

DNSSEC

250ms

SRV

271ms

Total

1038ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 15:19:57	524ms	5 NS 1 A 1 MX	🔓 Insecure
2026-09-24 05:05:55	563ms	5 NS 1 A 1 MX	🔓 Insecure
2026-09-17 22:02:56 shown	1038ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-28 09:05:28	748ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-03 18:21:23	734ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 13:07:16	1812ms	2 NS 1 A 1 MX	🔓 Insecure