linuxpert.dk is a .dk domain served by 3 nameservers (a.ns.netic.dk, b.ns.netic.dk, c.ns.netic.dk). It was registered on 12 April 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.243.49.112 is hosted by Netic A/S (AS42697) in Denmark. Mail is handled by mxfilter01.netic.dk, mxfilter02.netic.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 |
|---|---|---|---|---|---|---|---|
| 77.243.49.112 | 28800s | — | AS42697 | Netic A/S | 77.243.48.0/20 | 🇩🇰 Denmark | Aalborg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 28800s | mxfilter01.netic.dk | 2a03:dc80:0:f136::207 77.243.50.207 |
mxfilter01.netic.dk mxfilter01.netic.dk |
AS42697 Netic A/S AS42697 Netic A/S |
| 10 | 28800s | mxfilter02.netic.dk | 2a03:dc80:0:f136::213 77.243.50.213 |
mxfilter02.netic.dk mxfilter02.netic.dk |
AS42697 Netic A/S AS42697 Netic A/S |
| TXT Record |
|---|
| _globalsign-domain-verification=A16YR94wLhjy8-A5y8woVaF8_Me-iC4uFJ5vqmyFHu |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | globalsign.com |
| www | 77.243.49.112 (AS42697) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mxfilter01.netic.dk | DANE-EE · SPKI · SHA-256 | 9C88565DA92996EEE441AC9CED4B3F5C… |
| SMTP _25._tcp.mxfilter02.netic.dk | DANE-EE · SPKI · SHA-256 | 9C88565DA92996EEE441AC9CED4B3F5C… |
| 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 | 2392 |
| Primary NS (MNAME) | a.ns.netic.dk |
| Responsible (RNAME) | hostmaster@netic.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 60s |
| Field | Value |
|---|---|
| Registrar | NETIC A/S |
| Registered | 2000-04-12 |
| Expires | 2027-06-30 (255d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 01:19:38 | 2388ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-10-01 04:26:20 | 1940ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-30 04:18:00 | 1606ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-29 04:07:29 shown | 1422ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-03 11:34:10 | 1755ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-18 03:13:07 | 4524ms | 3 NS 1 A 2 MX | 🔓 Insecure |