rackbuilder.de - dns.ninja
rackbuilder.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a02:708:0:61::2🇩🇪 ratiokontakt2a02:708::/32 GmbH | ||||||
| PTR | win05.rw.serviceprovider.de | ||||||
| A | 212.63.130.70🇩🇪 ratiokontakt212.63.128.0/19 GmbH | ||||||
| NS | ns.nameserver7.de ⭐ | ||||||
| A | 212.223.44.219🇩🇪 ratiokontakt212.223.0.0/16 GmbH | ||||||
| PTR | ns11.nameserver.de | ||||||
| NS | ns.nameserver8.de | ||||||
| A | 212.223.44.220🇩🇪 ratiokontakt212.223.0.0/16 GmbH | ||||||
| PTR | ns12.nameserver.de | ||||||
| MX | mail.rackbuilder.de ⭐ | ||||||
| A | 212.223.165.71🇩🇪 ratiokontakt212.223.0.0/16 GmbH | ||||||
| PTR | frontend.clustermail.de | ||||||
| MX | mail2.rackbuilder.de(20) | ||||||
| A | 82.139.197.84🇩🇪 TAL-DE82.139.196.0/22 Tal.de Internet Service GmbH | ||||||
| PTR | mail01.hicon.de | ||||||
| SOA | ns.nameserver7.dednsmaster@ns.nameserver7.de 2026-05-19 #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=1786276270 | ||||||
Subdomains
Same first word
rackbuilder.com |
rackbuilder.de |
rackbuilder.info |
DNS History
9 records (6 active, 3 former)
●NSns.nameserver7.de2015-07-15 → 2026-08-09 · 2 obs
● 2026-08-09 12:04:52
●NSns.nameserver8.de2015-07-15 → 2026-08-09 · 2 obs
● 2026-08-09 12:04:52
●MXmail.rackbuilder.de2015-07-15 → 2026-08-09 · 5 obs
● 2017-06-01 20:16:24
○ 2026-07-21 20:32:06
● 2026-08-09 12:04:50
● 2026-08-09 12:04:52
●MXmail2.rackbuilder.de2015-07-15 → 2026-08-09 · 5 obs
● 2017-06-01 20:16:24
○ 2026-07-21 20:32:06
● 2026-08-09 12:04:50
● 2026-08-09 12:04:52
○A212.223.165.2302015-07-15 → 2017-06-01 · 4 obs
● 2017-06-01 20:16:24
○ 2026-02-17 20:13:18
○ 2026-08-09 12:04:52
○A212.223.17.182026-02-17 → 2026-05-15 · 5 obs
● 2026-02-17 20:13:18
● 2026-05-15 00:52:12
○ 2026-05-21 08:04:10
○ 2026-08-09 12:04:52
●A212.63.130.702026-05-21 → 2026-08-09 · 5 obs
● 2026-05-21 08:04:10
○ 2026-07-21 20:32:06
● 2026-08-09 12:04:50
● 2026-08-09 12:04:52
●A2a02:708:0:61::22026-05-21 → 2026-08-09 · 5 obs
● 2026-05-21 08:04:10
○ 2026-07-21 20:32:06
● 2026-08-09 12:04:50
● 2026-08-09 12:04:52
○A2a02:708:0:ab::22026-02-17 → 2026-05-15 · 5 obs
● 2026-02-17 20:13:18
● 2026-05-15 00:52:12
○ 2026-05-21 08:04:10
○ 2026-08-09 12:04:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | f.nic.de, z.nic.de, a.nic.de | - |
| rackbuilder.de | ns.nameserver7.de, ns.nameserver8.de | - |
✅ Authoritative Response
Server:212.223.44.219
NS records: ns.nameserver7.de, ns.nameserver8.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rackbuilder.de (unsigned zone)
⏱️ Timing
Total: 1183ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 212.63.130.70 |
| AAAA | 1 | 2a02:708:0:61::2 |
| NS | 2 | ns.nameserver7.de, ns.nameserver8.de |
| MX | 2 | mail.rackbuilder.de (pri: 20), mail2.rackbuilder.de (pri: 10) |
| SOA | 1 | ns.nameserver7.de dnsmaster.ns.nameserve |
Analysis
Hierarchy
rackbuilder.de is the parent domain of mail.rackbuilder.de and mail2.rackbuilder.de.
IP Addresses
rackbuilder.de has two IP addresses: 212.63.130.70 and 2a02:708:0:61::2
Additional host names — comidos.ch, peraltaindustrie.de, www.van-laere.de and two others — share IP numbers with rackbuilder.de.
Name Servers
rackbuilder.de is served by two delegated name servers, ns.nameserver7.de and ns.nameserver8.de.
rackbuilder.de shares its name server setup with other domains, including cut-express.de, hetzinger.de, sum-gmbh.de and two others.
At least some of rackbuilder.de's name servers are shared with other domains, for example internetdomains.de, neue-homepage.de, waade.de and two more.
It is common for these name servers to be used in conjunction with the name servers ns11.nameserver.de, ns12.nameserver.de and ns2.nameserver.de.
Each of ns.nameserver7.de and ns.nameserver8.de has one IP address: ns.nameserver7.de uses 212.223.44.219 and ns.nameserver8.de uses 212.223.44.220.
Mail Servers
rackbuilder.de has two mail servers: mail2.rackbuilder.de and mail.rackbuilder.de.
Each of mail2.rackbuilder.de and mail.rackbuilder.de has one IP address: mail2.rackbuilder.de uses 82.139.197.84 and mail.rackbuilder.de uses 212.223.165.71.