b2performance.de - dns.ninja
b2performance.de
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=1784317199 | ||||||
Subdomains
netcup002.b2performance.de |
netcup001.b2performance.de |
mx01.b2performance.de |
netcup004.b2performance.de |
mail.b2performance.de |
mx02.b2performance.de |
Same first word
DNS History
8 records (7 active, 1 former)
●MXmx01.b2performance.de2015-09-03 → 2026-07-17 · 2 obs
● 2026-07-17 19:40:46
●MXmx02.b2performance.de2015-09-03 → 2026-07-17 · 2 obs
● 2026-07-17 19:40:46
●A212.23.146.1392026-02-16 → 2026-07-17 · 3 obs
● 2026-02-16 01:35:32
● 2026-07-17 19:40:46
○A5.45.105.442015-09-03 → 2016-09-24 · 4 obs
● 2016-09-24 12:01:50
○ 2026-02-16 01:35:32
○ 2026-07-17 19:40:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| b2performance.de | d.ns14.net, a.ns14.net, b.ns14.net, c.ns14.net | - |
✅ Authoritative Response
Server:185.132.34.160
NS records: d.ns14.net, a.ns14.net, b.ns14.net, c.ns14.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for b2performance.de (unsigned zone)
⏱️ Timing
Total: 810ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 212.23.146.139 |
| NS | 4 | c.ns14.net, b.ns14.net... |
| MX | 2 | mx02.b2performance.de (pri: 20), mx01.b2performance.de (pri: 10) |
| TXT | 1 | v=spf1 ip4:37.120.165.181 -all |
| SOA | 1 | a.ns14.net domainhandling.b2-performance |
Analysis
Hierarchy
Among the subdomains of b2performance.de are netcup002.b2performance.de, netcup001.b2performance.de, mx01.b2performance.de, netcup004.b2performance.de, mail.b2performance.de and a few other host names.
IP Addresses
b2performance.de points to a single IP number: 212.23.146.139.
Other host names, such as gas3.de, share IP numbers with b2performance.de.
Name Servers
b2performance.de has four authoritative name servers: a.ns14.net, b.ns14.net, c.ns14.net and d.ns14.net.
There is at least partial name server overlap between b2performance.de and other domains — komm-zu-bitmarck.de, miromed.de, henrihotels.de and two more among them.
All four hostnames — a.ns14.net, b.ns14.net, c.ns14.net and d.ns14.net — resolve to two IP numbers apiece: a.ns14.net to 217.160.80.160 and 2001:8d8:fe:53:217:160:80:160; b.ns14.net to 217.160.81.160 and 2001:8d8:fe:53:217:160:81:160; c.ns14.net to 185.132.35.160 and 2607:f1c0:fe:53:185:132:35:160; d.ns14.net to 185.132.34.160 and 2607:f1c0:fe:53:185:132:34:160.
Mail Servers
b2performance.de has two mail servers: mx01.b2performance.de and mx02.b2performance.de.
mx01.b2performance.de → 37.120.165.181 and mx02.b2performance.de → 178.254.41.10: one IP number per host name.