cooltux.net - robtex.com
cooltux.net
| DNSSEC | ⚠️ Not signed | ||||||
| NS | hydrogen.ns.hetzner.com ⭐ | ||||||
| A | 2a01:4f8:0:1::add:1098🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | hydrogen.ns.hetzner.com | ||||||
| A | 213.133.100.98🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1 | ||||||
| PTR | hydrogen.ns.hetzner.com | ||||||
| NS | helium.ns.hetzner.de | ||||||
| A | 2001:67c:192c::add:5🇩🇪 NORIS-NETWORK2001:67c:192c::/48 | ||||||
| PTR | helium.ns.hetzner.de | ||||||
| A | 193.47.99.5🇩🇪 NORIS-NETWORK193.47.99.0/24 | ||||||
| PTR | helium.ns.hetzner.de | ||||||
| NS | oxygen.ns.hetzner.com | ||||||
| A | 2a01:4f8:0:1::add:2992🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | oxygen.ns.hetzner.com | ||||||
| A | 88.198.229.192🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4 | ||||||
| PTR | oxygen.ns.hetzner.com | ||||||
| MX | mail.cooltux.net ⭐ | ||||||
| A | 65.108.239.174🇫🇮 Hetzner65.108.0.0/16 HETZNER-DC | ||||||
| PTR | mail.cooltux.net | ||||||
| TXT | v=spf1 a:mail.cooltux.net mx ?all | ||||||
| TXT | google-site-verification=hyhcVxtaBI9ZExEnWCYKIX1_v0sMeoJhxGUJnS_4xqk | ||||||
| SOA | hydrogen.ns.hetzner.comdns@hetzner.com 2026-02-12 #0 | ||||||
net
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1774809117 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NShelium.ns.hetzner.de2026-03-21 → 2026-03-29 · 2 obs
● 2026-03-29 18:33:52
●NShydrogen.ns.hetzner.com2026-03-21 → 2026-03-29 · 2 obs
● 2026-03-29 18:33:52
●NSoxygen.ns.hetzner.com2026-03-21 → 2026-03-29 · 2 obs
● 2026-03-29 18:33:52
●MXmail.cooltux.net2026-03-21 → 2026-03-29 · 2 obs
● 2026-03-29 18:33:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| cooltux.net | helium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com | - |
✅ Authoritative Response
Server:213.133.100.98
NS records: helium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cooltux.net (unsigned zone)
⏱️ Timing
Total: 1034ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | oxygen.ns.hetzner.com, helium.ns.hetzner.de... |
| MX | 1 | mail.cooltux.net (pri: 5) |
| TXT | 2 | google-site-verification=hyhcVxtaBI9ZExE, v=spf1 a:mail.cooltux.net mx ?all |
| SOA | 1 | hydrogen.ns.hetzner.com dns.hetzner.com |
Analysis
Name Servers
The domain cooltux.net is delegated to three name servers: hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.
cooltux.net shares name servers with other domains at least partially, for instance ebm-web.de, meeschhaff.com, klangfreund.com, itkt.de and preuner.at.
these name servers are often used together with the name servers ns1.your-server.de.
Host names with two IP numbers:
hydrogen.ns.hetzner.com points to 2a01:4f8:0:1::add:1098 and 213.133.100.98
oxygen.ns.hetzner.com points to 2a01:4f8:0:1::add:2992 and 88.198.229.192
helium.ns.hetzner.de points to 2001:67c:192c::add:5 and 193.47.99.5
Mail Servers
The mail server for cooltux.net is mail.cooltux.net.
Host name mail.cooltux.net resolves to IP 65.108.239.174.