tackmann.dk is a .dk domain served by 2 nameservers (authns1.ngdc.net, authns2.ngdc.net). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.116.238.10 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by mail.tackmann.dk. The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 217.116.238.10 | 86400s | — | AS47292 | Sentia Denmark A/S | 217.116.224.0/20 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 5 | 21600s | mail.tackmann.dk | 217.116.238.10 | — | AS47292 Sentia Denmark A/S |
| www CNAME | tackmann.dk (all on tackmann.dk) |
| www vs bare domain | Same network |
| Wildcard | No |
| 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 | 2006013017 |
| Primary NS (MNAME) | authns1.ngdc.net |
| Responsible (RNAME) | hostmaster@ngdc.net |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 07:09:00 | 4596ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-25 05:34:30 | 879ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-18 08:34:47 | 8666ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 14:26:45 shown | 1010ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-22 16:57:52 | 621ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-21 06:05:15 | 915ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 00:25:44 | 862ms | 2 NS 1 A 1 MX | 🔓 Insecure |