d2s-systems.net - robtex.com
d2s-systems.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 88.198.51.186🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4 | ||||||
| PTR | static.88-198-51-186.clients.your-server.de | ||||||
| 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.d2s-systems.net ⭐ | ||||||
| A | 88.198.51.186🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4 | ||||||
| PTR | static.88-198-51-186.clients.your-server.de | ||||||
| SOA | ns1.first-ns.depostmaster@robot.first-ns.de 2011-04-27 #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=1774412512 | ||||||
Subdomains
mail.d2s-systems.net |
Same first word
d2s-systems.eu |
d2s-systems.com |
d2s-systems.de |
d2s-systems.net |
DNS History
5 records (5 active, 0 former)
●NSns1.first-ns.de2015-05-25 → 2026-03-25 · 2 obs
● 2026-03-25 04:45:26
●NSrobotns2.second-ns.de2015-05-25 → 2026-03-25 · 2 obs
● 2026-03-25 04:45:26
●NSrobotns3.second-ns.com2015-05-25 → 2026-03-25 · 2 obs
● 2026-03-25 04:45:26
●MXmail.d2s-systems.net2015-05-25 → 2026-03-25 · 2 obs
● 2026-03-25 04:45:26
●A88.198.51.1862015-05-25 → 2026-03-25 · 2 obs
● 2026-03-25 04:45:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | m.gtld-servers.net, k.gtld-servers.net, i.gtld-servers.net, b.gtld-servers.net... | - |
| d2s-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 d2s-systems.net (unsigned zone)
⏱️ Timing
Total: 820ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 88.198.51.186 |
| NS | 3 | ns1.first-ns.de, robotns2.second-ns.de... |
| MX | 1 | mail.d2s-systems.net (pri: 10) |
| SOA | 1 | ns1.first-ns.de postmaster.robot.first-n |
Analysis
Hierarchy
d2s-systems.net is the parent of mail.d2s-systems.net.
IP Addresses
d2s-systems.net resolves to a single IP: 88.198.51.186.
Other host names, for instance, static.88-198-51-186.clients.your-server.de, mail.d2s-systems.net, d2s-systems.eu and mail.d2s-systems.eu share IP numbers with d2s-systems.net.
Name Servers
d2s-systems.net delegates to three name servers: robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.
d2s-systems.net shares some name servers with other domains, for example okofen.com, gabriele-hoffmann.de, airplay-charts.net, flexbus.net and sachversicherungsvergleiche.de.
These name servers are often used together with hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.
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
d2s-systems.net is handled by a single mail server, mail.d2s-systems.net.
Host name mail.d2s-systems.net points to IP 88.198.51.186.