energisystem.dk is a .dk domain served by 2 nameservers (randall.ns.cloudflare.com, zoe.ns.cloudflare.com). It was registered on 12 April 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.37.221 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by blarke.net. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.37.221 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.213.233 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | blarke.net | 193.181.212.191 | blarke.net | AS44803 Webdock.io ApS |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | energisystem.dk → 193.181.212.191 |
| 🔶 Autoconfig | energisystem.dk → 193.181.212.191 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::ac43:d5e9 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::6815:25dd | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.37.221,172.67.213.233 ech=AEX+DQBB+wAgACCx9hEFPeyumjZ4BbRGdK4KPzZKxLkKj7wnGup8Lg1GfwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:d5e9,2606:4700:3036::6815:25dd |
| TXT Record |
|---|
| v=spf1 mx:energisystem.dk ~all |
| Policy | Record (energisystem.dk) |
|---|---|
| ~all (soft fail) | v=spf1 mx:energisystem.dk ~all |
| Policy | Record (_dmarc.energisystem.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:info@blarke.net |
| www CNAME | energisystem.dk (all on energisystem.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 1/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.energisystem.dk | energisystem.dk |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2407895832 |
| Primary NS (MNAME) | randall.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2013-04-12 |
| Expires | 2027-07-31 (285d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 14:13:55 | 869ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-26 07:01:21 | 2568ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-23 20:44:05 | 1122ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-16 05:22:07 | 1582ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-28 09:53:48 | 9771ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-26 03:46:46 | 1071ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-25 11:22:54 | 798ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-06 23:42:21 | 995ms | 2 NS 1 A 1 MX | ❓ Unknown |
| 2026-07-24 05:26:06 | 1531ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-19 04:55:43 | 963ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-17 18:55:31 | 1284ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-09 01:56:36 | 1262ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-02 13:30:06 | 10147ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-26 17:17:13 shown | 1027ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-21 01:30:11 | 703ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 07:33:37 | 1798ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 07:30:55 | 412ms | 2 NS 1 A 1 MX | 🔓 Insecure |