energy-cool.dk

📜 Historical scan 2026-06-25 00:59:06 · ← 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 41ms

Nameserver	IP addresses	PTR	ASN / ISP
sandy.ns.cloudflare.com	108.162.192.219 172.64.32.219 173.245.58.219 2606:4700:50::adf5:3adb 2803:f800:50::6ca2:c0db 2a06:98c1:50::ac40:20db	sandy.ns.cloudflare.com sandy.ns.cloudflare.com sandy.ns.cloudflare.com sandy.ns.cloudflare.com sandy.ns.cloudflare.com sandy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
zac.ns.cloudflare.com	108.162.195.178 162.159.44.178 172.64.35.178 2606:4700:58::a29f:2cb2 2803:f800:50::6ca2:c3b2 2a06:98c1:50::ac40:23b2	zac.ns.cloudflare.com zac.ns.cloudflare.com zac.ns.cloudflare.com zac.ns.cloudflare.com zac.ns.cloudflare.com zac.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.73.53	600s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.158.65	600s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	172.67.158.65
🔶 Autoconfig	104.21.73.53

🔷 AAAA Records (IPv6)#

2 records 61ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:9e41	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:4935	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 40ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.73.53,172.67.158.65 ech=AEX+DQBBawAgACAlqh8w/uLZKf7J65iNHYNnBIRbkc2pDrPvB/j5ugm0RAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:9e41,2606:4700:3037::6815:4935

📝 TXT Records#

1 records 194ms

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#

110ms

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

🏷️ SOA#

68ms

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 (342d)

📋 WHOIS#

⏱️ Lookup Timing#

41ms

49ms

40ms

AAAA

61ms

TXT

194ms

CAA

68ms

HTTPS

40ms

TLSA

99ms

SOA

68ms

MTA-STS

95ms

DNSSEC

110ms

SRV

72ms

Total

914ms

🕐 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 shown	914ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 07:32:42	1231ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 07:30:44	356ms	2 NS 2 A 0 MX	🔓 Insecure