nsk-erhverv.dk is a .dk domain served by 3 nameservers (helium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 35.158.87.123 is hosted by Amazon.com, Inc. (AS16509) in Germany. Mail is handled by www643.your-server.de. 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 |
|---|---|---|---|---|---|---|---|
| 35.158.87.123 | 3600s | ec2-35-158-87-123.eu-central-1.compute.amazonaws.com | AS16509 | Amazon.com, Inc. | 35.156.0.0/14 | 🇩🇪 Germany | Frankfurt am Main |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | www643.your-server.de | 188.40.219.135 2a01:4f8:1061:1547::2 |
www643.your-server.de www643.your-server.de |
AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH |
| Service | CNAME / IP |
|---|---|
| 🔶 Autoconfig | mail.your-server.de → 78.46.5.205 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| ::ffff:35.158.87.123 | 3600s | — | AS16509 | Amazon.com, Inc. | — | 🇩🇪 Germany | Frankfurt am Main |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 100 | 443 | mail.your-server.de |
| _imaps._tcp | 0 | 100 | 993 | mail.your-server.de |
| TXT Record |
|---|
| v=spf1 +a +mx ?all |
| Policy | Record (nsk-erhverv.dk) |
|---|---|
| ?all (neutral) | v=spf1 +a +mx ?all |
| Policy | Record (_dmarc.nsk-erhverv.dk) |
|---|---|
| p=quarantine | v=DMARC1;p=quarantine;sp=quarantine;pct=50;adkim=r;aspf=r; |
| www | 35.158.87.123 ::ffff:35.158.87.123 (AS16509) (address records, no CNAME) |
| www vs bare domain | Same network nsk-erhverv.dk: 35.158.87.123 ::ffff:35.158.87.123 (AS16509) www.nsk-erhverv.dk: 35.158.87.123 ::ffff:35.158.87.123 (AS16509) |
| Wildcard | No |
DNS lookups: 2/10 · policy: ?all
| 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 | 2025121100 |
| Primary NS (MNAME) | oxygen.ns.hetzner.com |
| Responsible (RNAME) | postmaster@your-server.de |
| Refresh | 86400s |
| Retry | 10800s |
| Expire | 3600000s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 02:17:36 | 1047ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-28 00:36:53 shown | 1017ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-26 03:04:12 | 1040ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 10:31:49 | 1195ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 17:57:36 | 1155ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-20 15:31:45 | 1233ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-18 01:22:53 | 1189ms | 3 NS 1 A 1 MX | 🔓 Insecure |