gnu-systems.net - robtex.com
gnu-systems.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a01:4f8:1c1b:f7b7::1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| NS | ns1.first-ns.de ⭐ | ||||||
| A | 2a01:4f8:0:a101::a:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | ns1.first-ns.de | ||||||
| A | 213.239.242.238🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2 | ||||||
| PTR | ns1.first-ns.de | ||||||
| NS | robotns2.second-ns.de | ||||||
| A | 2a01:4f8:0:1::5ddc:2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | robotns2.second-ns.de | ||||||
| A | 213.133.100.103🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1 | ||||||
| PTR | robotns2.second-ns.de | ||||||
| NS | robotns3.second-ns.com | ||||||
| A | 2001:67c:192c::add:a3🇩🇪 NORIS-NETWORK2001:67c:192c::/48 | ||||||
| PTR | robotns3.second-ns.com | ||||||
| A | 193.47.99.3🇩🇪 NORIS-NETWORK193.47.99.0/24 | ||||||
| PTR | robotns3.second-ns.com | ||||||
| MX | mail.gnu-systems.net ⭐ | ||||||
| SOA | ns1.first-ns.dedns@hetzner.com 2026-02-28 #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=1775985357 | ||||||
Same first word
gnu-systems.net |
DNS History
5 records (5 active, 0 former)
●NSns1.first-ns.de2026-04-10 → 2026-04-12 · 2 obs
● 2026-04-12 09:37:56
●NSrobotns2.second-ns.de2026-04-10 → 2026-04-12 · 2 obs
● 2026-04-12 09:37:56
●NSrobotns3.second-ns.com2026-04-10 → 2026-04-12 · 2 obs
● 2026-04-12 09:37:56
●MXmail.gnu-systems.net2026-04-10 → 2026-04-12 · 2 obs
● 2026-04-12 09:37:56
●A2a01:4f8:1c1b:f7b7::12026-04-10 → 2026-04-12 · 2 obs
● 2026-04-12 09:37:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | h.gtld-servers.net, c.gtld-servers.net, i.gtld-servers.net, m.gtld-servers.net... | - |
| gnu-systems.net | ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com | - |
✅ Authoritative Response
Server:213.239.242.238
NS records: ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for gnu-systems.net (unsigned zone)
⏱️ Timing
Total: 664ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| AAAA | 1 | 2a01:4f8:1c1b:f7b7::1 |
| NS | 3 | robotns2.second-ns.de, robotns3.second-ns.com... |
| MX | 1 | mail.gnu-systems.net (pri: 10) |
| SOA | 1 | ns1.first-ns.de dns.hetzner.com |
Analysis
IP Addresses
gnu-systems.net resolves to one IP number: 2a01:4f8:1c1b:f7b7::1.
Name Servers
gnu-systems.net is delegated to three name servers: robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.
gnu-systems.net at least partially shares name servers with other domains, including lehrerbau.de, itcanbe.de, kjp5.at, food4sports.de and fiesta-ka-forum.de.
These name servers are commonly used with hydrogen.ns.hetzner.com.
Host names with two IP numbers:
robotns3.second-ns.com: 2001:67c:192c::add:a3 and 193.47.99.3
ns1.first-ns.de: 2a01:4f8:0:a101::a:1 and 213.239.242.238
robotns2.second-ns.de: 2a01:4f8:0:1::5ddc:2 and 213.133.100.103
Mail Servers
A single mail server handles gnu-systems.net, mail.gnu-systems.net.