headenergygroup.dk

📜 Historical scan 2026-09-15 01:59:17  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

headenergygroup.dk is a .dk domain served by 2 nameservers (jack.ns.cloudflare.com, luciana.ns.cloudflare.com). It was registered on 3 October 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.74.214 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by .. The zone is DNSSEC-signed and validates, has no 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   80ms
NameserverIP addressesPTRASN / ISP
jack.ns.cloudflare.com 108.162.193.121
172.64.33.121
173.245.59.121
2606:4700:58::adf5:3b79
2803:f800:50::6ca2:c179
2a06:98c1:50::ac40:2179		 jack.ns.cloudflare.com
jack.ns.cloudflare.com
jack.ns.cloudflare.com
jack.ns.cloudflare.com
jack.ns.cloudflare.com
jack.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
luciana.ns.cloudflare.com 108.162.194.131
162.159.38.131
172.64.34.131
2606:4700:50::a29f:2683
2803:f800:50::6ca2:c283
2a06:98c1:50::ac40:2283		 luciana.ns.cloudflare.com
luciana.ns.cloudflare.com
luciana.ns.cloudflare.com
luciana.ns.cloudflare.com
luciana.ns.cloudflare.com
luciana.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   122ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.74.214 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.163.103 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   105ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)#

2 records   138ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3035::ac43:a367 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3037::6815:4ad6 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   103ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.74.214,172.67.163.103 ech=AEX+DQBBHgAgACCQf5j8xscZYn965kA2AQtmlKJfS0Qj9J/E4yS5lLy7KQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:a367,2606:4700:3037::6815:4ad6

📝 TXT Records#

1 records   330ms
TXT Record
v=spf1 -all

✉️ SPF#

PolicyRecord (headenergygroup.dk)
-all (hard fail) v=spf1 -all

📨 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 2026-10-23 10:43:39
www104.21.74.214 172.67.163.103 2606:4700:3035::ac43:a367 2606:4700:3037::6815:4ad6 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.headenergygroup.dk 5hFkzhfrgezA8WgDlIijZPdAPFx7jy1ByaI3Crl0PXE
TXT _acme-challenge.headenergygroup.dk tmDiqBtgW1jzu_k18K3KO2NqTVyHm0AYepCgG_CI3j0

🔗 TLSA / DANE#

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

🔐 DNSSEC#

274ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2414734373
Primary NS (MNAME)jack.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-23 11:00:28
FieldValue
RegistrarDomeneshop AS
Registered2023-10-03
Expires2027-10-02 (343d)

🔗 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#

NS
80ms
A
122ms
MX
105ms
AAAA
138ms
TXT
330ms
CAA
90ms
HTTPS
103ms
TLSA
692ms
SOA
0ms
MTA-STS
99ms
DNSSEC
274ms
SRV
196ms
Total
1365ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-23 10:43:39 2775ms 2 NS 2 A 1 MX 🔒 Secure
2026-10-19 12:09:17 653ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-25 09:56:18 667ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-24 09:49:33 1153ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-18 23:59:23 1159ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-15 01:59:17 shown 1365ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-07 23:37:13 603ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-07 02:04:59 1525ms 2 NS 2 A 1 MX 🔒 Secure
2026-08-27 11:57:12 801ms 2 NS 2 A 1 MX 🔒 Secure
2026-08-08 12:42:21 880ms 2 NS 2 A 1 MX 🔒 Secure
2026-07-14 22:37:44 819ms 2 NS 2 A 1 MX 🔒 Secure
2026-07-13 14:59:05 1542ms 3 NS 1 A 1 MX 🔒 Secure
2026-06-26 14:17:32 799ms 3 NS 1 A 1 MX 🔒 Secure
2026-06-22 10:56:51 1131ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-21 20:33:48 489ms 3 NS 1 A 1 MX 🔒 Secure
2026-06-21 11:38:32 452ms 3 NS 1 A 1 MX 🔒 Secure
2026-06-20 21:12:12 742ms 3 NS 1 A 1 MX 🔒 Secure
2026-06-17 11:08:26 485ms 3 NS 1 A 0 MX 🔒 Secure
2026-06-17 11:05:27 652ms 3 NS 1 A 0 MX 🔒 Secure
2026-06-17 11:01:36 776ms 3 NS 1 A 0 MX 🔒 Secure
2026-06-17 10:56:52 2904ms 3 NS 1 A 0 MX 🔒 Secure
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