h1.linuxhus.dk - robtex.com
h1.linuxhus.dk
| DNSSEC | ⚠️ Not signed | ||||||
| A | 37.128.222.26🇩🇰 Sinal-AS37.128.208.0/20 STOFA A/S | ||||||
| PTR | h1.linuxhus.dk | ||||||
| MX | mx.mailsec.dk ⭐ | ||||||
| A | 37.128.222.5🇩🇰 Sinal-AS37.128.208.0/20 STOFA A/S | ||||||
| PTR | mx.mailsec.dk | ||||||
| MX | h1.linuxhus.dk(10) | ||||||
| A | 37.128.222.26🇩🇰 Sinal-AS37.128.208.0/20 STOFA A/S | ||||||
| PTR | h1.linuxhus.dk | ||||||
| TXT | v=spf1 a mx a:h1.linuxhus.dk ip4:37.128.222.26 ip4:37.128.222.26 ?all | ||||||
linuxhus.dk
| DNSSEC | ⚠️ Not signed | ||||||
| A | 37.128.222.26🇩🇰 Sinal-AS37.128.208.0/20 STOFA A/S | ||||||
| NS | ns1.linuxhus.dk ⭐ | ||||||
| NS | ns2.linuxhus.dk | ||||||
| NS | ns3.linuxhus.dk | ||||||
| TXT | v=spf1 a mx a:linuxhus.dk a:h1.linuxhus.dk a:h2.linuxhus.dk a:mailsec.linuxhu... | ||||||
| SOA | ns1.linuxhus.dkroot@ns1.linuxhus.dk 2026-07-23 #3 | ||||||
PTR for
MX for
Same first word
Similar names
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DNS History
3 records (3 active, 0 former)
●MXh1.linuxhus.dk2026-02-19 → 2026-07-25 · 4 obs
○ 2026-07-22 11:32:34
● 2026-07-22 21:42:44
● 2026-07-25 12:27:18
●MXmx.mailsec.dk2026-02-19 → 2026-07-25 · 4 obs
○ 2026-07-22 11:32:34
● 2026-07-22 21:42:44
● 2026-07-25 12:27:18
●A37.128.222.262026-02-19 → 2026-07-25 · 4 obs
○ 2026-07-22 11:32:34
● 2026-07-22 21:42:44
● 2026-07-25 12:27:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | s.nic.dk, h.nic.dk, c.nic.dk, b.nic.dk... | - |
| linuxhus.dk | ns1.linuxhus.dk, ns2.linuxhus.dk, ns3.linuxhus.dk | 3 records |
✅ Authoritative Response
Server:37.128.222.20
NS records: ns1.linuxhus.dk, ns2.linuxhus.dk, ns3.linuxhus.dk
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 381ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.128.222.26 |
| MX | 2 | mx.mailsec.dk (pri: 5), h1.linuxhus.dk (pri: 10) |
| TXT | 1 | v=spf1 a mx a:h1.linuxhus.dk ip4:37.128. |
📌 Glue Records Collected
Total: 3
In-bailiwick: 3 (ns1.linuxhus.dk, ns2.linuxhus.dk, ns3.linuxhus.dk)
Analysis
Mail Server Role
Mail for linux-hus.dk, h1.linuxhus.dk and 144.dk is handled by h1.linuxhus.dk.
As mail servers, mx.mailsec.dk and h1.linuxhus.dk are regularly found together.
IP Addresses
h1.linuxhus.dk has exactly one IP address — 37.128.222.26.
mailsec.dk, linuxhus.dk, 2580de1a.rev.sefiber.dk plus two other host names have IP numbers in common with h1.linuxhus.dk.
Mail Servers
The domain h1.linuxhus.dk has two mail servers: h1.linuxhus.dk and mx.mailsec.dk.
Like linux-hus.dk and 144.dk, h1.linuxhus.dk has the same mail server arrangement as several other domains.
h1.linuxhus.dk and other domains — mailsec.dk for instance — share at least some mail servers.
h1.linuxhus.dk → 37.128.222.26 and mx.mailsec.dk → 37.128.222.5: one IP number per host name.