rsgmail.de - dns.ninja
rsgmail.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 148.251.17.9🇩🇪 Hetzner148.251.0.0/16 HETZNER-RZ-BLK-ERX2 | ||||||
| PTR | static.9.17.251.148.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 | mail2.rsgmail.de ⭐ | ||||||
| A | 148.251.17.9🇩🇪 Hetzner148.251.0.0/16 HETZNER-RZ-BLK-ERX2 | ||||||
| PTR | static.9.17.251.148.clients.your-server.de | ||||||
| TXT | v=spf1 | ||||||
| SOA | ns1.first-ns.depostmaster@renksystemhaus.de 2026-04-14 #0 | ||||||
de
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | f.nic.de ⭐ | ||||||
| NS | a.nic.de | ||||||
| NS | l.de.net ⚠️ Not in parent delegation | ||||||
| NS | n.de.net ⚠️ Not in parent delegation | ||||||
| NS | s.de.net ⚠️ Not in parent delegation | ||||||
| NS | z.nic.de | ||||||
| SOA | f.nic.dedns-operations@denic.de serial=1783232007 | ||||||
Subdomains
mail2.rsgmail.de |
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1.first-ns.de2017-03-25 → 2026-07-05 · 2 obs
● 2026-07-05 06:19:36
●NSrobotns2.second-ns.de2017-03-25 → 2026-07-05 · 2 obs
● 2026-07-05 06:19:36
●NSrobotns3.second-ns.com2017-03-25 → 2026-07-05 · 2 obs
● 2026-07-05 06:19:36
●MXmail2.rsgmail.de2017-03-25 → 2026-07-05 · 2 obs
● 2026-07-05 06:19:36
●A148.251.17.92017-03-25 → 2026-07-05 · 2 obs
● 2026-07-05 06:19:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| rsgmail.de | robotns3.second-ns.com, ns1.first-ns.de, robotns2.second-ns.de | - |
✅ Authoritative Response
Server:193.47.99.3
NS records: robotns3.second-ns.com, ns1.first-ns.de, robotns2.second-ns.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rsgmail.de (unsigned zone)
⏱️ Timing
Total: 1171ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 148.251.17.9 |
| NS | 3 | robotns2.second-ns.de, robotns3.second-ns.com... |
| MX | 1 | mail2.rsgmail.de (pri: 0) |
| TXT | 1 | v=spf1 |
| SOA | 1 | ns1.first-ns.de postmaster.renksystemhau |
Analysis
Hierarchy
rsgmail.de serves as the parent of mail2.rsgmail.de.
IP Addresses
rsgmail.de resolves to just one IP address, 148.251.17.9.
Additional host names — including static.9.17.251.148.clients.your-server.de and mail2.rsgmail.de — share IP numbers with rsgmail.de.
Name Servers
Three name servers are authoritative for rsgmail.de: robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.
rsgmail.de has at least partial name server overlap with other domains, such as kraftmesstechnik.de, le-hosting.de, jeboi.email and two others.
These name servers tend to appear together with the name servers hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.
robotns3.second-ns.com resolves to 193.47.99.3 and 2001:67c:192c::add:a3. ns1.first-ns.de resolves to 213.239.242.238 and 2a01:4f8:0:a101::a:1. robotns2.second-ns.de resolves to 213.133.100.103 and 2a01:4f8:0:1::5ddc:2. All three hostnames point to two IP numbers each.
Mail Servers
The sole mail server for rsgmail.de is mail2.rsgmail.de.
There is one IP number for mail2.rsgmail.de: 148.251.17.9.