linux-aarhus.dk is a .dk domain served by 5 nameservers (ns1pri.webhosting.dk, ns2.mywebtonet.com, ns2.webhosting.dk and 2 more). It was registered on 2 November 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.209.106.132 is hosted by FIBIA P/S (AS44869) in Denmark. Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. The zone is DNSSEC-signed and validates, publishes a 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 80.209.106.132 | 600s | 80.209.106.132.static.fibianet.dk | AS44869 | FIBIA P/S | 80.209.0.0/17 | 🇩🇰 Denmark | Tølløse |
| TXT Record |
|---|
| protonmail-verification=e03528afa03672ebcc58518f046ac5be1db73f00 |
| v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (linux-aarhus.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (_dmarc.linux-aarhus.dk) |
|---|---|
| no policy tag | v=DMARC1 |
| www CNAME | linux-aarhus.dk (all on linux-aarhus.dk) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 2/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| HTTPS _443._tcp.linux-aarhus.dk | DANE-EE · SPKI · SHA-256 | 6DBE132DF8465E1A92F7FB72181B2AEB… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 3401041055 |
| Primary NS (MNAME) | ns1pri.webhosting.dk |
| Responsible (RNAME) | hostmaster@webhosting.dk |
| Refresh | 21600s |
| Retry | 3600s |
| Expire | 14515200s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | WEBHOSTING A/S |
| Registered | 2017-11-02 |
| Expires | 2030-11-30 (1499d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-02 08:54:44 shown | 531ms | 5 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-23 12:59:00 | 9758ms | 5 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-09 12:18:38 | 9592ms | 5 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-14 21:01:09 | 1399ms | 5 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-30 14:36:56 | 4501ms | 5 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-22 06:06:14 | 1176ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 22:50:42 | 1791ms | 5 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 19:20:46 | 930ms | 5 NS 1 A 2 MX | 🔒 Secure |