doktorhammer.dk is a .dk domain served by 3 nameservers (ns1.regzone.cz, ns1.regzone.de, ns1.regzone.info). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by relay.zoner.com, 10mx.zoner.com and 1 more. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 1 | 3600s | relay.zoner.com | 217.198.120.100 | relay.zoner.com | AS34222 ZONER a.s. |
| 10 | 3600s | 10mx.zoner.com | 217.198.120.36 | 10mx.zoner.com | AS34222 ZONER a.s. |
| 15 | 3600s | 15mx.zoner.com | 81.0.233.6 | 15mx.zoner.com | AS15685 CASABLANCA INT a.s. |
| Service | CNAME / IP |
|---|---|
| 🔶 Autoconfig | autoconfig.zoner.com → 217.198.120.6 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 5 | 0 | 443 | autodiscover.zoner.com |
| TXT Record |
|---|
| v=spf1 include:spf-zoner-zmail.zoner.com ~all |
| Policy | Record (doktorhammer.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:spf-zoner-zmail.zoner.com ~all |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves doktorhammer.dk: no address www.doktorhammer.dk: no address |
| Wildcard | No |
DNS lookups: 1/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.10mx.zoner.com | DANE-EE · SPKI · SHA-256 | F96123C7DB7D78911B30B987C7532971… |
| SMTP _25._tcp.10mx.zoner.com | DANE-EE · SPKI · SHA-256 | 23F07A1B7C42C6295E57980E7782EC91… |
| SMTP _25._tcp.10mx.zoner.com | DANE-EE · SPKI · SHA-256 | A79E173CF63911361C0E67DDB7DB2976… |
| SMTP _25._tcp.15mx.zoner.com | DANE-EE · SPKI · SHA-256 | 202DFEC5BE48540EBD00A576DD6F5B95… |
| SMTP _25._tcp.15mx.zoner.com | DANE-EE · SPKI · SHA-256 | 63078E07543F2B4348AFD3B5618407DC… |
| SMTP _25._tcp.15mx.zoner.com | DANE-EE · SPKI · SHA-256 | F96123C7DB7D78911B30B987C7532971… |
| SMTP _25._tcp.relay.zoner.com | DANE-EE · SPKI · SHA-256 | 0572C051FD7792B3218B9BD6EB1DEAEB… |
| SMTP _25._tcp.relay.zoner.com | DANE-EE · SPKI · SHA-256 | 8BB6191E823587A7FB210B5E686BA5C1… |
| SMTP _25._tcp.relay.zoner.com | DANE-EE · SPKI · SHA-256 | F96123C7DB7D78911B30B987C7532971… |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026083102 |
| Primary NS (MNAME) | ns1.regzone.cz |
| Responsible (RNAME) | administrator@czechia.cz |
| Refresh | 10800s |
| Retry | 1800s |
| Expire | 1814400s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 13:01:48 shown | 2544ms | 3 NS 0 A 3 MX | 🔓 Insecure |
| 2026-10-01 07:58:06 | 1785ms | 3 NS 0 A 3 MX | 🔓 Insecure |
| 2026-09-27 03:34:45 | 3000ms | 3 NS 0 A 3 MX | 🔓 Insecure |
| 2026-09-01 11:24:15 | 1675ms | 3 NS 0 A 3 MX | 🔓 Insecure |
| 2026-08-14 15:56:31 | 4888ms | 3 NS 0 A 3 MX | 🔓 Insecure |
| 2026-07-02 01:17:33 | 1550ms | 3 NS 0 A 3 MX | 🔓 Insecure |
| 2026-06-17 04:05:42 | 2920ms | 3 NS 0 A 3 MX | 🔓 Insecure |