energy-cool.dk

📜 Historical scan 2026-06-17 07:32:42 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

energy-cool.dk is a .dk domain served by 2 nameservers (sandy.ns.cloudflare.com, zac.ns.cloudflare.com). It was registered on 10 September 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.73.53 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 162ms

Nameserver	IP addresses	PTR	ASN / ISP
sandy.ns.cloudflare.com	—	—	—
zac.ns.cloudflare.com	—	—	—

🌍 A Records#

2 records 153ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.73.53	—	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.158.65	—	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 128ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:9e41	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3031::6815:4935	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 126ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.73.53,172.67.158.65 ech=AEX+DQBBOgAgACAa0+y4n1KX4T2blpfoPVbwuK30TP7kG5m/OtVvcR6jfgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:9e41,2606:4700:3031::6815:4935

📝 TXT Records#

1 records 316ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (energy-cool.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.energy-cool.dk)
p=reject	v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s;

📬 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 2026-10-09 03:33:17

www	104.21.73.53 172.67.158.65 2606:4700:3033::ac43:9e41 2606:4700:3037::6815:4935 (AS13335) (address records, no CNAME)
www vs bare domain	Same network energy-cool.dk: 104.21.73.53 172.67.158.65 2606:4700:3033::ac43:9e41 2606:4700:3037::6815:4935 (AS13335) www.energy-cool.dk: 104.21.73.53 172.67.158.65 2606:4700:3033::ac43:9e41 2606:4700:3037::6815:4935 (AS13335)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

281ms

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

🏷️ SOA#

150ms

Field	Value
Serial	2406606234
Primary NS (MNAME)	sandy.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-09 03:52:07

Field	Value
Registrar	Simply.com A/S
Registered	2009-09-10
Expires	2027-09-30 (348d)

📋 WHOIS#

⏱️ Lookup Timing#

162ms

153ms

AAAA

128ms

TXT

316ms

CAA

140ms

HTTPS

126ms

TLSA

142ms

SOA

150ms

MTA-STS

149ms

DNSSEC

281ms

SRV

0ms

Total

1231ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 03:33:17	1880ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-30 01:31:07	733ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-18 16:02:33	2966ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-27 06:54:19	809ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-26 04:28:52	643ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-10 23:54:36	2953ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-03 03:14:54	8918ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-25 05:54:19	860ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-25 00:59:06	914ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 07:32:42 shown	1231ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 07:30:44	356ms	2 NS 2 A 0 MX	🔓 Insecure