voltagreentech.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 28 April 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.191 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod9-cph3.one.com, mx2.pub.mailpod9-cph3.one.com and 2 more. The zone is DNSSEC-signed but currently fails validation, has no DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 77.111.240.191 | 3600s | webcluster2.webpod11-cph3.one.com | AS51468 | One.com A/S | 77.111.240.0/22 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.pub.mailpod9-cph3.one.com | 185.164.14.118 | mx1.pub.mailpod9-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod9-cph3.one.com | 185.164.14.119 | mx2.pub.mailpod9-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod9-cph3.one.com | 185.164.14.120 | mx3.pub.mailpod9-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.pub.mailpod9-cph3.one.com | 185.164.14.124 | mx4.pub.mailpod9-cph3.one.com | AS51468 One.com A/S |
| www | 195.47.247.18 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod9-cph3.one.com | DANE-EE · SPKI · SHA-256 | 5D2162F5CED0ACD2C3D63E5582045A6C… |
| SMTP _25._tcp.mx2.pub.mailpod9-cph3.one.com | DANE-EE · SPKI · SHA-256 | 5D2162F5CED0ACD2C3D63E5582045A6C… |
| SMTP _25._tcp.mx3.pub.mailpod9-cph3.one.com | DANE-EE · SPKI · SHA-256 | 5D2162F5CED0ACD2C3D63E5582045A6C… |
| SMTP _25._tcp.mx4.pub.mailpod9-cph3.one.com | DANE-EE · SPKI · SHA-256 | 5D2162F5CED0ACD2C3D63E5582045A6C… |
| Check | Result |
|---|---|
| Validation Status | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | broken trust chain resolving 'voltagreentech.dk/DNSKEY/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2026060901 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 2026-04-28 |
| Expires | 2027-04-27 (191d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 09:08:56 | 449ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-22 19:03:50 | 662ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-09 09:43:21 | 816ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-08-27 06:41:13 | 9705ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-26 09:36:23 | 1499ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-25 15:06:51 | 1518ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-24 16:39:47 | 618ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-23 04:03:16 | 1145ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 10:19:03 shown | 849ms | 2 NS 1 A 4 MX | ⚠️ Bogus |
| 2026-06-18 01:35:56 | 891ms | 2 NS 1 A 4 MX | 🔓 Insecure |