cooltronic.dk

📜 Historical scan 2026-09-08 10:38:45 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cooltronic.dk is a .dk domain served by 2 nameservers (iris.ns.cloudflare.com, phil.ns.cloudflare.com). It was registered on 19 February 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 116.202.102.102 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mx1.forwardemail.net, mx2.forwardemail.net. 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 120ms

Nameserver	IP addresses	PTR	ASN / ISP
iris.ns.cloudflare.com	108.162.192.118 172.64.32.118 173.245.58.118 2606:4700:50::adf5:3a76 2803:f800:50::6ca2:c076 2a06:98c1:50::ac40:2076	iris.ns.cloudflare.com iris.ns.cloudflare.com iris.ns.cloudflare.com iris.ns.cloudflare.com iris.ns.cloudflare.com iris.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
phil.ns.cloudflare.com	108.162.193.137 172.64.33.137 173.245.59.137 2606:4700:58::adf5:3b89 2803:f800:50::6ca2:c189 2a06:98c1:50::ac40:2189	phil.ns.cloudflare.com phil.ns.cloudflare.com phil.ns.cloudflare.com phil.ns.cloudflare.com phil.ns.cloudflare.com phil.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 107ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
116.202.102.102	300s	vpn.jumpbox.dk	AS24940	Hetzner Online GmbH	116.202.0.0/15	🇩🇪 Germany	Falkenstein

📧 MX Records#

2 records 135ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.forwardemail.net	121.127.44.56 138.197.213.185 2604:a880:2:d0::306:1 2a02:6ea0:d71e::2	mx1.forwardemail.net mx1.forwardemail.net mx1.forwardemail.net mx1.forwardemail.net	AS60068 Datacamp Limited AS14061 DigitalOcean, LLC AS14061 DigitalOcean, LLC AS60068 Datacamp Limited
10	3600s	mx2.forwardemail.net	104.248.224.170 121.127.44.59 2604:a880:400:d1::cd:9001 2a02:6ea0:d71e::1	mx2.forwardemail.net mx2.forwardemail.net mx2.forwardemail.net mx2.forwardemail.net	AS14061 DigitalOcean, LLC AS60068 Datacamp Limited AS14061 DigitalOcean, LLC AS60068 Datacamp Limited

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.forwardemail.net → 121.127.44.69
🔶 Autoconfig	autoconfig.forwardemail.net → 121.127.44.69

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 262ms

TXT Record
forward-email-site-verification=Ug6t0Pryar
v=spf1 include:spf.forwardemail.net -all

✉️ SPF#

Policy	Record (cooltronic.dk)
-all (hard fail)	v=spf1 include:spf.forwardemail.net -all

📨 DMARC#

Policy	Record (_dmarc.cooltronic.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc-660701b324943282a5784b23@forwardemail.net;

📬 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 2026-10-11 09:57:25

www	104.21.38.217 172.67.139.82 2606:4700:3030::ac43:8b52 2606:4700:3033::6815:26d9 (AS13335) (address records, no CNAME)
www vs bare domain	Same network cooltronic.dk: 104.21.38.217 172.67.139.82 2606:4700:3030::ac43:8b52 2606:4700:3033::6815:26d9 (AS13335) www.cooltronic.dk: 104.21.38.217 172.67.139.82 2606:4700:3030::ac43:8b52 2606:4700:3033::6815:26d9 (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.cooltronic.dk	B0YA69MC1OTnlrNiGZrLS9v1ohxAgqQxUi7U_igpZDo
TXT	_acme-challenge.cooltronic.dk	Q853BoTsiRXaKdnRws0cnJ85ED21U2F3GRdRuewHO6s

🔗 TLSA / DANE#

4 records 59ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.forwardemail.net	DANE-EE · SPKI · SHA-256	321F694EAD3A2E733D857FD7E79D811F…
SMTP _25._tcp.mx1.forwardemail.net	DANE-EE · SPKI · SHA-256	5E81DA1AF16DF20B13E667AD6D9C2B65…
SMTP _25._tcp.mx2.forwardemail.net	DANE-EE · SPKI · SHA-256	321F694EAD3A2E733D857FD7E79D811F…
SMTP _25._tcp.mx2.forwardemail.net	DANE-EE · SPKI · SHA-256	5E81DA1AF16DF20B13E667AD6D9C2B65…

🔐 DNSSEC#

158ms

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	2414093580
Primary NS (MNAME)	iris.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-13 22:55:27

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2004-02-19
Expires	2034-08-31 (2872d)

🔗 Same registrant#

4 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).

Domain	Registrar
coolvpn.dk	Punktum dk A/S (direct)
mizi.dk	Domeneshop AS
parstronic.dk	Punktum dk A/S (direct)
raspberry-pi.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

120ms

107ms

135ms

AAAA

140ms

TXT

262ms

CAA

120ms

HTTPS

122ms

TLSA

59ms

SOA

0ms

MTA-STS

109ms

DNSSEC

158ms

SRV

268ms

Total

1950ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 22:00:38	646ms	2 NS 2 A 2 MX	🔒 Secure
2026-10-01 03:39:14	854ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-30 00:56:56	2342ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-17 03:55:52	1754ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-15 12:42:42	1621ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-08 10:38:45 shown	1950ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-24 21:46:17	1533ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-04 23:11:19	2222ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-29 10:11:21	1052ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-23 15:15:55	3236ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-16 22:16:14	712ms	2 NS 1 A 2 MX	🔓 Insecure