f-tronic.dk

📜 Historical scan 2026-06-20 19:06:58 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

f-tronic.dk is a .dk domain served by 2 nameservers (ns01.kraemer-it.cloud, ns02.kraemer-it.cloud). It was registered on 3 March 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 136.243.84.72 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mx.kraemer-it.de. The zone is not DNSSEC-signed, has no 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 248ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.kraemer-it.cloud	185.168.141.42	ns01.kraemer-it.cloud	AS9063 VSE NET GmbH
ns02.kraemer-it.cloud	157.90.239.155	ns02.kraemer-it.cloud	AS24940 Hetzner Online GmbH

🌍 A Records#

1 records 309ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
136.243.84.72	300s	k51g57.meinserver.io	AS24940	Hetzner Online GmbH	136.243.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records#

1 records 269ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx.kraemer-it.de	185.168.141.45	mail01.kraemer-it.cloud	AS9063 VSE NET GmbH

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	136.243.84.72
🔶 Autoconfig	136.243.84.72

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-08 14:42:39

www	136.243.84.72 (AS24940) (address records, no CNAME)
www vs bare domain	Same network f-tronic.dk: 136.243.84.72 (AS24940) www.f-tronic.dk: 136.243.84.72 (AS24940)
Wildcard	Yes: any name under the zone resolves

🔗 TLSA / DANE#

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

🔐 DNSSEC#

440ms

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

🏷️ SOA#

216ms

Field	Value
Serial	2024020701
Primary NS (MNAME)	ns01.kraemer-it.cloud
Responsible (RNAME)	rechnung@f-tronic.de
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	38400s

📋 Registration#

WHOIS fetched 2026-10-11 18:27:45

Field	Value
Registrar	InterNetX GmbH
Registered	2010-03-03
Expires	2027-03-31 (157d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

248ms

309ms

269ms

AAAA

312ms

TXT

669ms

CAA

300ms

HTTPS

283ms

TLSA

248ms

SOA

216ms

MTA-STS

289ms

DNSSEC

440ms

SRV

339ms

Total

2302ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 01:15:50	1208ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-08 08:49:23	10339ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-02 13:47:03	3002ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-25 01:17:22	2712ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-21 02:40:36	1965ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-20 19:06:58 shown	2302ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-20 08:50:43	7992ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 09:10:18	1234ms	2 NS 1 A 1 MX	🔓 Insecure