energiselskaber.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 29 October 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 157.250.161.236 is hosted by Cibicom A/S (AS3342) in Denmark. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 157.250.161.236 | 2194s | — | AS3342 | Cibicom A/S | 157.250.160.0/20 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | energiselskaber.dk → 157.250.161.236 |
| 🔶 Autoconfig | energiselskaber.dk → 157.250.161.236 |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (energiselskaber.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.energiselskaber.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; pct=100; rua=mailto:655df7a368382@dmarc.centerasecurity.com; |
| www | 157.250.161.236 (AS3342) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 0/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.energiselskaber.dk | energiselskaber.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026100100 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2021-10-29 |
| Expires | 2026-10-28 (3d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-02 03:16:02 shown | 456ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-01 03:09:14 | 603ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-25 12:35:00 | 628ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-18 14:51:12 | 610ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-01 10:37:51 | 728ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-26 23:49:12 | 604ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-17 15:12:55 | 674ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-02 00:52:41 | 530ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-17 07:36:32 | 1138ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-17 07:30:53 | 395ms | 4 NS 1 A 0 MX | 🔒 Secure |