tech-forum.dk is a .dk domain served by 4 nameservers (ns1.nordicway.dk, ns2.nordicway.dk, ns3.nordicway.dk and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 142.132.143.218 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mail.tech-forum.dk. The zone is DNSSEC-signed and validates, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 142.132.143.218 | 3600s | cp13.nordicway.dk | AS24940 | Hetzner Online GmbH | 142.132.128.0/17 | 🇩🇪 Germany | Falkenstein |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 3600s | mail.tech-forum.dk | 142.132.143.218 | cp13.nordicway.dk | AS24940 Hetzner Online GmbH |
| TXT Record |
|---|
| v=spf1 +a +mx +ip4:142.132.143.218 include:relay.mailchannels.net ~all |
| Policy | Record (tech-forum.dk) |
|---|---|
| ~all (soft fail) | v=spf1 +a +mx +ip4:142.132.143.218 include:relay.mailchannels.net ~all |
| Policy | Record (_dmarc.tech-forum.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1;p=none;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400 |
| www CNAME | tech-forum.dk (all on tech-forum.dk) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 7 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | 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| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.tech-forum.dk | _STk-qbl7oK6PJ-gSZumyK3vhvJrx9e8xjL8rZ90s4M |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026051101 |
| Primary NS (MNAME) | ns1.nordicway.dk |
| Responsible (RNAME) | server@nordicway.dk |
| Refresh | 3600s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-11 16:31:48 | 786ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 23:02:18 | 992ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-12 21:15:42 | 9789ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-28 23:01:28 shown | 908ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 11:33:58 | 865ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 02:50:42 | 886ms | 4 NS 1 A 1 MX | 🔒 Secure |