x-crew.de - robtex.com
x-crew.de
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.regfish-ns.net ⭐ | ||||||
| A | 2a02:2c0:0:21::aced:beef🇩🇪 REGFISH-AS2a02:2c0::/48 Vultr Customer Route | ||||||
| PTR | a.regfish-ns.net | ||||||
| A | 178.21.144.21🇩🇪 REGFISH-AS178.21.144.0/24 Vultr Customer Route | ||||||
| PTR | a.regfish-ns.net | ||||||
| NS | b.regfish-ns.net | ||||||
| A | 2a02:2c0:1:21::aced:beef🇩🇪 REGFISH-AS2a02:2c0:1::/48 Vultr Customer Route | ||||||
| PTR | b.regfish-ns.net | ||||||
| A | 178.21.145.21🇩🇪 REGFISH-AS178.21.145.0/24 Vultr Customer Route | ||||||
| PTR | b.regfish-ns.net | ||||||
| NS | c.regfish-ns.net | ||||||
| A | 2a02:2c0:2:21::aced:beef🇩🇪 REGFISH-AS2a02:2c0:2::/48 Vultr Customer Route | ||||||
| PTR | c.regfish-ns.net | ||||||
| A | 178.21.146.21🇩🇪 REGFISH-AS178.21.146.0/24 Vultr Customer Route | ||||||
| PTR | c.regfish-ns.net | ||||||
| MX | mx1.datenbrauer.de ⭐ | ||||||
| A | 2a03:4000:19:c6::1🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH | ||||||
| PTR | mx1.datenbrauer.de | ||||||
| A | 46.38.255.129🇩🇪 netcup-AS46.38.255.0/24 | ||||||
| PTR | mx1.datenbrauer.de | ||||||
| TXT | v=spf1 mx -all | ||||||
| SOA | a.regfish-ns.netdns@regfish-ns.net serial=1671187119 | ||||||
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=1774469371 | ||||||
Same first word
DNS History
7 records (4 active, 3 former)
●NSa.regfish-ns.net2015-07-19 → 2026-03-25 · 2 obs
● 2026-03-25 20:20:10
●NSb.regfish-ns.net2015-07-19 → 2026-03-25 · 2 obs
● 2026-03-25 20:20:10
●NSc.regfish-ns.net2015-07-19 → 2026-03-25 · 2 obs
● 2026-03-25 20:20:10
○MXmail01.bitrausch.net2016-07-17 → 2017-04-19 · 4 obs
● 2016-07-17 10:42:24
● 2017-04-19 09:12:46
○ 2026-03-25 20:20:10
●MXmx1.datenbrauer.de2026-03-25 → 2026-03-25 · 2 obs
● 2026-03-25 20:20:10
○MXsmx1.bitrausch.net2015-07-19 → 2016-03-18 · 4 obs
● 2016-03-18 11:42:38
○ 2016-07-17 10:42:24
○ 2026-03-25 20:20:10
○MXsmx1.praetoria.de2015-07-19 → 2016-03-18 · 4 obs
● 2016-03-18 11:42:38
○ 2016-07-17 10:42:24
○ 2026-03-25 20:20:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, z.nic.de, f.nic.de | - |
| x-crew.de | a.regfish-ns.net, c.regfish-ns.net, b.regfish-ns.net | - |
✅ Authoritative Response
Server:178.21.145.21
NS records: a.regfish-ns.net, c.regfish-ns.net, b.regfish-ns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for x-crew.de (unsigned zone)
⏱️ Timing
Total: 713ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | b.regfish-ns.net, c.regfish-ns.net... |
| MX | 1 | mx1.datenbrauer.de (pri: 10) |
| TXT | 1 | v=spf1 mx -all |
| SOA | 1 | a.regfish-ns.net dns.regfish-ns.net |
Analysis
Name Servers
x-crew.de is delegated to name servers a.regfish-ns.net, b.regfish-ns.net and c.regfish-ns.net.
x-crew.de at least partially shares name servers with other domains such as xenia-pos.net, dp0.org, port-agent.de, ivpv.net and doranis.net.
Host names with two IP numbers:
a.regfish-ns.net points to 2a02:2c0:0:21::aced:beef and 178.21.144.21.
b.regfish-ns.net points to 2a02:2c0:1:21::aced:beef and 178.21.145.21.
c.regfish-ns.net points to 2a02:2c0:2:21::aced:beef and 178.21.146.21.
Mail Servers
x-crew.de is handled by a single mail server, mx1.datenbrauer.de.
Domain x-crew.de uses the same mail server setup as other domains, for example buerger-betreuung.de, elektrotechnik-bergmann.com, bitrausch.net and gutterballs.de.
Host name mx1.datenbrauer.de points to IPs 2a03:4000:19:c6::1 and 46.38.255.129.