s3server.dk is a .dk domain served by 3 nameservers (ns1.e-studio.dk, ns2.e-studio.dk, ns3.e-studio.dk). It was registered on 4 December 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 136.243.151.26 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by s3server.dk. The zone is of unknown DNSSEC status, 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 |
|---|---|---|---|---|---|---|---|
| 136.243.151.26 | 14400s | static.26.151.243.136.clients.your-server.de | AS24940 | Hetzner Online GmbH | 136.243.0.0/16 | 🇩🇪 Germany | Falkenstein |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 14400s | s3server.dk | 136.243.151.26 | static.26.151.243.136.clients.your-server.de | AS24940 Hetzner Online GmbH |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 195.242.131.71 |
| 🔶 Autoconfig | 195.242.131.71 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | cpanelemaildiscovery.cpanel.net |
| Policy | Record (_dmarc.s3server.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www CNAME | s3server.dk (all on s3server.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.
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.s3server.dk | bYnMlS8PMqgyhdYRQTTXPFNU3cY4ABc-sL8thywJKso |
| Check | Result |
|---|---|
| Validation Status | ❓ Unknown |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | broken trust chain resolving 's3server.dk/DNSKEY/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2026071706 |
| Primary NS (MNAME) | ns1.e-studio.dk |
| Responsible (RNAME) | hostmaster@mailrelay.e-studio.dk |
| Refresh | 3600s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2025-12-04 |
| Expires | 2026-12-03 (41d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-24 10:40:46 | 549ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-17 19:28:18 | 1379ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-31 15:13:10 | 582ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-25 11:12:50 | 482ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-18 01:07:23 shown | 16600ms | 3 NS 1 A 1 MX | ❓ Unknown |
| 2026-07-08 13:02:23 | 8941ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-20 03:56:58 | 676ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-18 07:50:37 | 683ms | 3 NS 1 A 1 MX | 🔓 Insecure |