mattssons.dk is a .dk domain served by 2 nameservers (ns1.jth.net, ns4.jth.net). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 128.76.129.238 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by mail.mattssons.dk.mattssons.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 |
|---|---|---|---|---|---|---|---|
| 128.76.129.238 | 600s | 128-76-129-238-static.dk.customer.tdc.net | AS3292 | TDC Holding A/S | 128.76.128.0/17 | 🇩🇰 Denmark | Vejle |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 28800s | mail.mattssons.dk.mattssons.dk | 128.76.129.238 | 128-76-129-238-static.dk.customer.tdc.net | AS3292 TDC Holding A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 128.76.129.238 |
| 🔶 Autoconfig | 128.76.129.238 |
| www | 128.76.129.238 (AS3292) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| 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 | 2015120808 |
| Primary NS (MNAME) | ns1.jth.net |
| Responsible (RNAME) | hostmaster@jth.net |
| Refresh | 86400s |
| Retry | 3600s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 180s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-26 13:06:02 | 8646ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-15 00:58:16 | 8658ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-02 19:59:34 | 8722ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-22 01:10:20 | 25139ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-21 01:05:18 | 65535ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-25 18:57:49 | 6346ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 19:35:29 shown | 6624ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-20 01:17:19 | 8498ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-18 02:24:43 | 5511ms | 2 NS 1 A 1 MX | ⚠️ Bogus |