d2s-systems.com - robtex.com
d2s-systems.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 144.76.64.175🇩🇪 Hetzner144.76.0.0/16 HETZNER-RZ-BLK-ERX1 | ||||||
| PTR | lb1.d2s.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.com ⭐ | ||||||
| A | 2a01:4f8:d0a:277f::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | www76.your-server.de | ||||||
| A | 213.133.104.76🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1 | ||||||
| PTR | www76.your-server.de | ||||||
| TXT | v=spf1 a mx ptr include:amazonses.com ?all | ||||||
| SOA | ns1.first-ns.dedns@hetzner.com 2025-07-07 #0 | ||||||
com
| 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=1774403912 | ||||||
Subdomains
Same first word
d2s-systems.eu |
d2s-systems.com |
d2s-systems.de |
d2s-systems.net |
DNS History
7 records (5 active, 2 former)
●NSns1.first-ns.de2015-08-08 → 2026-03-25 · 2 obs
● 2026-03-25 02:18:42
●NSrobotns2.second-ns.de2015-08-08 → 2026-03-25 · 2 obs
● 2026-03-25 02:18:42
●NSrobotns3.second-ns.com2015-08-08 → 2026-03-25 · 2 obs
● 2026-03-25 02:18:42
●MXmail.d2s-systems.com2015-08-08 → 2026-03-25 · 2 obs
● 2026-03-25 02:18:42
○A136.243.19.1602020-03-16 → 2020-03-16 · 4 obs
● 2020-03-16 13:19:58
○ 2026-02-16 05:57:22
○ 2026-03-25 02:18:42
○A144.76.226.1542015-08-08 → 2017-03-21 · 4 obs
● 2017-03-21 17:04:10
○ 2020-03-16 13:19:58
○ 2026-03-25 02:18:42
●A144.76.64.1752026-02-16 → 2026-03-25 · 3 obs
● 2026-02-16 05:57:22
● 2026-03-25 02:18:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| d2s-systems.com | ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com | 2 records |
✅ 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.com (unsigned zone)
⏱️ Timing
Total: 542ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 144.76.64.175 |
| NS | 3 | robotns2.second-ns.de, robotns3.second-ns.com... |
| MX | 1 | mail.d2s-systems.com (pri: 10) |
| TXT | 1 | v=spf1 a mx ptr include:amazonses.com ?a |
| SOA | 1 | ns1.first-ns.de dns.hetzner.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (robotns3.second-ns.com, robotns3.second-ns.com)
Analysis
Hierarchy
d2s-systems.com has mail.d2s-systems.com, jitsi.d2s-systems.com and hosting.d2s-systems.com as children.
IP Addresses
d2s-systems.com points to a single IP address: 144.76.64.175.
Other host names, for example d2s-systems.de, d2s.de and lb1.d2s.de share IPs with d2s-systems.com.
Name Servers
d2s-systems.com is delegated to three name servers: robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.
d2s-systems.com at least partially shares name servers with other domains, for example steinerhaus.de, elterngeldrechner.info, wollen.de, ibob-cottbus.de and adsorp.de.
These name servers are commonly used with hydrogen.ns.hetzner.com and oxygen.ns.hetzner.com and helium.ns.hetzner.de.
Host names with two IP numbers:
robotns3.second-ns.com points to 2001:67c:192c::add:a3 and 193.47.99.3
ns1.first-ns.de points to 2a01:4f8:0:a101::a:1 and 213.239.242.238
robotns2.second-ns.de points to 2a01:4f8:0:1::5ddc:2 and 213.133.100.103
Mail Servers
The mail.d2s-systems.com mail server handles d2s-systems.com.
mail.d2s-systems.com points to two IP numbers: 2a01:4f8:d0a:277f::2 and 213.133.104.76.