fwbau.de - robtex.com
fwbau.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 212.63.131.242🇩🇪 ratiokontakt212.63.128.0/19 GmbH | ||||||
| PTR | linux09.rw.serviceprovider.de | ||||||
| NS | ns12.nameserver.de ⭐ | ||||||
| A | 2a02:708:0:25::2🇩🇪 ratiokontakt2a02:708::/32 GmbH | ||||||
| PTR | ns12.nameserver.de | ||||||
| A | 212.223.44.220🇩🇪 ratiokontakt212.223.0.0/16 GmbH | ||||||
| PTR | ns12.nameserver.de | ||||||
| NS | ns11.nameserver.de | ||||||
| A | 2a02:708:0:26::2🇩🇪 ratiokontakt2a02:708::/32 GmbH | ||||||
| PTR | ns11.nameserver.de | ||||||
| A | 212.223.44.219🇩🇪 ratiokontakt212.223.0.0/16 GmbH | ||||||
| PTR | ns11.nameserver.de | ||||||
| MX | mail.clustermail.de ⭐ | ||||||
| A | 212.223.165.71🇩🇪 ratiokontakt212.223.0.0/16 GmbH | ||||||
| PTR | frontend.clustermail.de | ||||||
| TXT | v=spf1 include:spf.clustermail.de -all | ||||||
| SOA | ns12.nameserver.dednsmaster@ns12.nameserver.de 2025-11-03 #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=1774711371 | ||||||
Subdomains
mail.fwbau.de |
Same first word
fwbau.de |
Similar names
DNS History
5 records (4 active, 1 former)
●NSns11.nameserver.de2015-07-04 → 2026-03-28 · 2 obs
● 2026-03-28 15:49:30
●NSns12.nameserver.de2015-07-04 → 2026-03-28 · 2 obs
● 2026-03-28 15:49:30
●MXmail.clustermail.de2015-07-04 → 2026-03-28 · 2 obs
● 2026-03-28 15:49:30
○A212.223.139.732015-07-04 → 2018-11-03 · 4 obs
● 2018-11-03 04:47:08
○ 2026-02-27 05:53:52
○ 2026-03-28 15:49:30
●A212.63.131.2422026-02-27 → 2026-03-28 · 3 obs
● 2026-02-27 05:53:52
● 2026-03-28 15:49:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | z.nic.de, a.nic.de, f.nic.de | - |
| fwbau.de | ns12.nameserver.de, ns11.nameserver.de | 4 records |
✅ Authoritative Response
Server:212.223.44.219
NS records: ns12.nameserver.de, ns11.nameserver.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for fwbau.de (unsigned zone)
⏱️ Timing
Total: 937ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 212.63.131.242 |
| NS | 2 | ns11.nameserver.de, ns12.nameserver.de |
| MX | 1 | mail.clustermail.de (pri: 10) |
| TXT | 1 | v=spf1 include:spf.clustermail.de -all |
| SOA | 1 | ns12.nameserver.de dnsmaster.ns12.namese |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns11.nameserver.de, ns12.nameserver.de, ns11.nameserver.de...)
Analysis
Hierarchy
fwbau.de is the parent of mail.fwbau.de.
IP Addresses
fwbau.de resolves to one IP number: 212.63.131.242.
other host names including loden.eu, mail.phoneas.de, mail.danke-opa.de, trost-transport.de and bp-pc.de share IP numbers with fwbau.de.
Name Servers
fwbau.de is delegated to two name servers ns11.nameserver.de and ns12.nameserver.de.
fwbau.de shares the same name server setup as other domains, for instance curexsys.de, sarplaninac.de, kib-online.de, seal-technology.expert and steuerschuetz.de.
Host names with two IP numbers:
The host name ns11.nameserver.de points to 2a02:708:0:26::2 and 212.223.44.219; the host name ns12.nameserver.de points to 2a02:708:0:25::2 and 212.223.44.220.
Mail Servers
fwbau.de is handled by a single mail server, mail.clustermail.de.
fwbau.de shares the same mail server setup as other domains, for instance ackerklause.de, hcs-gmbh.net, softwaresysteme.eu, shore-connect.com and 13659-2015.de.
fwbau.de shares mail servers with other domains to some extent, for instance skffo.de.
mail.clustermail.de resolves to IP 212.223.165.71.