ferropermoptics.dk is a .dk domain served by 4 nameservers (ns1.nordicway.dk, ns2.nordicway.dk, ns3.nordicway.dk and 1 more). It was registered on 20 January 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 142.132.203.237 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by eu-esec-01.heimdalsecurity.com, eu-esec-02.heimdalsecurity.com. The zone is DNSSEC-signed but currently fails validation, publishes a 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.nordicway.dk | — | — | — |
| ns2.nordicway.dk | — | — | — |
| ns3.nordicway.dk | — | — | — |
| ns4.nordicway.dk | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 142.132.203.237 | — | cp08.nordicway.dk | AS24940 | Hetzner Online GmbH | 142.132.128.0/17 | 🇩🇪 Germany | Falkenstein |
| TXT Record |
|---|
| v=spf1 ip4:77.215.239.130 ip4:213.237.49.65 include:spf-esec.heimdalsecurity.com a mx -all |
| Policy | Record (ferropermoptics.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:77.215.239.130 ip4:213.237.49.65 include:spf-esec.heimdalsecurity.com a mx -all |
| Policy | Record (_dmarc.ferropermoptics.dk) |
|---|---|
| p=reject | v=DMARC1;p=reject;sp=none;adkim=r;aspf=r;pct=100;fo=1;rf=afrf;ri=86400;rua=mailto:8lqtz9ev@ag.eu.dmarcadvisor.com,mailto:cbj@optics.dk;ruf=mailto:cbj@optics.dk,mailto:8lqtz9ev@fr.eu.dmarcadvisor.com |
| www CNAME | ferropermoptics.dk (all on ferropermoptics.dk) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~2048 bit |
| dkim | — | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 3/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.eu-esec-01.heimdalsecurity.com | DANE-EE · SPKI · SHA-256 | 2E8933DD6DB99304A5A9D5C4ECDE7B8E… |
| SMTP _25._tcp.eu-esec-02.heimdalsecurity.com | DANE-EE · SPKI · SHA-256 | 2E8933DD6DB99304A5A9D5C4ECDE7B8E… |
| Check | Result |
|---|---|
| Validation Status | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | broken trust chain resolving 'ferropermoptics.dk/A/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2026060801 |
| Primary NS (MNAME) | ns1.nordicway.dk |
| Responsible (RNAME) | server@nordicway.dk |
| Refresh | 3600s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | nordicway ApS |
| Registered | 1999-01-20 |
| Expires | 2027-03-31 (156d) |
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).
| Domain | Registrar |
|---|---|
| optics.dk | nordicway ApS |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-22 02:37:17 | 895ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-28 21:01:20 | 741ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-27 16:09:53 | 2636ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-27 09:11:44 | 930ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-02 15:02:06 | 2136ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-25 11:23:19 | 1355ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-25 08:59:58 | 2616ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-23 09:40:55 | 1864ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-17 09:48:31 shown | 2794ms | 4 NS 1 A 2 MX | ⚠️ Bogus |