rsd91.de - robtex.com
rsd91.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a02:420:0:10::900🇩🇪 NETBUILD-AS2a02:420::/29 Net-Build GmbH Alfred-Nobel-Allee 38 66793 Saarwellingen Germany | ||||||
| PTR | hosting07.nbgo.de | ||||||
| A | 185.146.238.138🇩🇪 NETBUILD-AS185.146.236.0/22 Net-Build GmbH Alfred-Nobel-Allee 38 66793 Saarwellingen Germany | ||||||
| NS | sec-dns01.nbgo.de ⭐ | ||||||
| A | 2a02:420:0:10::2🇩🇪 NETBUILD-AS2a02:420::/29 Net-Build GmbH Alfred-Nobel-Allee 38 66793 Saarwellingen Germany | ||||||
| A | 185.146.238.254🇩🇪 NETBUILD-AS185.146.236.0/22 Net-Build GmbH Alfred-Nobel-Allee 38 66793 Saarwellingen Germany | ||||||
| NS | pri-h07.nbgo.de | ||||||
| A | 2a02:420:0:10::900🇩🇪 NETBUILD-AS2a02:420::/29 Net-Build GmbH Alfred-Nobel-Allee 38 66793 Saarwellingen Germany | ||||||
| PTR | hosting07.nbgo.de | ||||||
| A | 185.146.238.138🇩🇪 NETBUILD-AS185.146.236.0/22 Net-Build GmbH Alfred-Nobel-Allee 38 66793 Saarwellingen Germany | ||||||
| PTR | hosting07.nbgo.de | ||||||
| MX | mail.rsd91.de ⭐ | ||||||
| A | 2a02:420:0:10::900🇩🇪 NETBUILD-AS2a02:420::/29 Net-Build GmbH Alfred-Nobel-Allee 38 66793 Saarwellingen Germany | ||||||
| PTR | hosting07.nbgo.de | ||||||
| A | 185.146.238.138🇩🇪 NETBUILD-AS185.146.236.0/22 Net-Build GmbH Alfred-Nobel-Allee 38 66793 Saarwellingen Germany | ||||||
| PTR | hosting07.nbgo.de | ||||||
| TXT | v=spf1 +a +mx +a:hosting07.nbgo.de -all | ||||||
| SOA | sec-dns01.nbgo.dekeinewerbung@burgard.info 2023-11-02 #5 | ||||||
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=1778301986 | ||||||
Subdomains
mail.rsd91.de |
Same first word
rsd91.de |
Similar names
DNS History
8 records (5 active, 3 former)
○NSns1.net-build.de2015-06-23 → 2016-09-24 · 4 obs
● 2016-09-24 04:51:00
○ 2026-04-02 16:30:16
○ 2026-05-09 04:52:32
○NSns2.net-build.de2015-06-23 → 2016-09-24 · 4 obs
● 2016-09-24 04:51:00
○ 2026-04-02 16:30:16
○ 2026-05-09 04:52:32
●NSpri-h07.nbgo.de2026-04-02 → 2026-05-09 · 3 obs
● 2026-04-02 16:30:16
● 2026-05-09 04:52:32
●NSsec-dns01.nbgo.de2026-04-02 → 2026-05-09 · 3 obs
● 2026-04-02 16:30:16
● 2026-05-09 04:52:32
●MXmail.rsd91.de2015-06-23 → 2026-05-09 · 2 obs
● 2026-05-09 04:52:32
●A185.146.238.1382026-04-02 → 2026-05-09 · 3 obs
● 2026-04-02 16:30:16
● 2026-05-09 04:52:32
●A2a02:420:0:10::9002026-04-02 → 2026-05-09 · 3 obs
● 2026-04-02 16:30:16
● 2026-05-09 04:52:32
○A87.237.121.1372015-06-23 → 2016-09-24 · 4 obs
● 2016-09-24 04:51:00
○ 2026-04-02 16:30:16
○ 2026-05-09 04:52:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| rsd91.de | sec-dns01.nbgo.de, pri-h07.nbgo.de | - |
✅ Authoritative Response
Server:185.146.238.138
NS records: sec-dns01.nbgo.de, pri-h07.nbgo.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rsd91.de (unsigned zone)
⏱️ Timing
Total: 2418ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.146.238.138 |
| AAAA | 1 | 2a02:420:0:10::900 |
| NS | 2 | sec-dns01.nbgo.de, pri-h07.nbgo.de |
| MX | 1 | mail.rsd91.de (pri: 10) |
| TXT | 1 | v=spf1 +a +mx +a:hosting07.nbgo.de -all |
| SOA | 1 | sec-dns01.nbgo.de keinewerbung.burgard.i |
Analysis
Hierarchy
rsd91.de is the parent of mail.rsd91.de.
IP Addresses
rsd91.de resolves to two IP numbers: 2a02:420:0:10::900 and 185.146.238.138.
Other host names, for instance snethlage.eu, mail.lf1.de, mail.bayervacuum.com, mail.proelss.info and buigen-gymnasium.de share IP numbers with rsd91.de.
Name Servers
rsd91.de has two name servers: pri-h07.nbgo.de and sec-dns01.nbgo.de.
rsd91.de shares the same name server setup as other domains, for example feenphotos.de, proelss.info, las-sollinger.de, marburger.at and b-lohmann.de.
rsd91.de shares some name servers with other domains, for example zubak.de, baucom-bautzen.de, cvbgg.de, handyklinik-koeln.biz and igma-gmbh.de.
these name servers are often used with pri-h01.nbgo.de, gate.scgateway.de, pri-h04.nbgo.de, pri-h10.nbgo.de, pri-h2011.nbgo.de, pri-h03.nbgo.de, pri-h05.nbgo.de, pri-h06.nbgo.de, gate01.scgateway.de and pri-h2023.nbgo.de.
Host names with two IP numbers:
pri-h07.nbgo.de points to: 2a02:420:0:10::900 and 185.146.238.138; sec-dns01.nbgo.de points to: 2a02:420:0:10::2 and 185.146.238.254.
Mail Servers
rsd91.de is handled by a single mail server, mail.rsd91.de.
mail.rsd91.de resolves to two IPs: 2a02:420:0:10::900 and 185.146.238.138.