computer4u.de - dns.ninja
computer4u.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a01:238:20a:202:1086::🇩🇪 STRATO2a01:238:20a::/48 Strato AG | ||||||
| PTR | w86.rzone.de | ||||||
| A | 81.169.145.86🇩🇪 STRATO81.169.144.0/22 AG | ||||||
| NS | docks17.rzone.de ⭐ | ||||||
| A | 2001:8d8:fe:53:5747:2a74:d:17🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific | ||||||
| PTR | docks17.rzone.de | ||||||
| A | 217.160.80.144🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific | ||||||
| PTR | docks17.rzone.de | ||||||
| NS | shades19.rzone.de | ||||||
| A | 2607:f1c0:fe:53:185:132:34:146🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US | ||||||
| PTR | shades19.rzone.de | ||||||
| A | 185.132.34.146🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS) | ||||||
| PTR | shades19.rzone.de | ||||||
| MX | smtpin.rzone.de ⭐ | ||||||
| A | 2a01:238:20a:202:50f0::1097🇩🇪 STRATO2a01:238:20a::/48 Strato AG | ||||||
| A | 81.169.145.97🇩🇪 STRATO81.169.144.0/22 AG | ||||||
| PTR | smtpin.rzone.de | ||||||
| SOA | docks17.rzone.dehostmaster@strato-rz.de 2020-05-21 #8 | ||||||
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=1782674859 | ||||||
Same first word
computer4u.cz |
computer4u.de |
computer4u.ro |
computer4u.koeln |
computer4u.com.br |
computer4u.com |
computer4u.co.il |
computer4u.eu |
computer4u.ir |
Similar names
DNS History
8 records (5 active, 3 former)
○MXsmtp.rzone.de2015-08-17 → 2017-04-02 · 4 obs
● 2017-04-02 12:08:24
○ 2026-03-05 01:11:18
○ 2026-06-28 19:55:54
●MXsmtpin.rzone.de2026-03-05 → 2026-06-28 · 3 obs
● 2026-03-05 01:11:18
● 2026-06-28 19:55:54
○A2a01:238:20a:202:1078::2015-08-17 → 2017-04-02 · 4 obs
● 2017-04-02 12:08:24
○ 2026-03-05 01:11:18
○ 2026-06-28 19:55:54
●A2a01:238:20a:202:1086::2026-03-05 → 2026-06-28 · 3 obs
● 2026-03-05 01:11:18
● 2026-06-28 19:55:54
○A81.169.145.782015-08-17 → 2017-04-02 · 4 obs
● 2017-04-02 12:08:24
○ 2026-03-05 01:11:18
○ 2026-06-28 19:55:54
●A81.169.145.862026-03-05 → 2026-06-28 · 3 obs
● 2026-03-05 01:11:18
● 2026-06-28 19:55:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| computer4u.de | shades19.rzone.de, docks17.rzone.de | - |
✅ Authoritative Response
Server:185.132.34.146
NS records: shades19.rzone.de, docks17.rzone.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for computer4u.de (unsigned zone)
⏱️ Timing
Total: 1820ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.169.145.86 |
| AAAA | 1 | 2a01:238:20a:202:1086:: |
| NS | 2 | docks17.rzone.de, shades19.rzone.de |
| MX | 1 | smtpin.rzone.de (pri: 5) |
| SOA | 1 | docks17.rzone.de hostmaster.strato-rz.de |
Analysis
IP Addresses
computer4u.de has two IP addresses: 81.169.145.86 and 2a01:238:20a:202:1086::
eschenroeder.eu, vincent-valentin-schuenzel.de, gastorf.de and two other host names share IP numbers with computer4u.de.
Name Servers
computer4u.de has two authoritative name servers — docks17.rzone.de and shades19.rzone.de.
computer4u.de uses the same name servers as several other domains — among them kocsis.de, sema4.org, hhsoftware.de and two more.
At least some of computer4u.de's name servers are shared with other domains, for example micromouse.de, wodash.de, groemitz-mit-hund.de and two more.
These name servers tend to co-occur with shades16.rzone.de, docks16.rzone.de, docks11.rzone.de and 7 other name servers in the same DNS delegations.
Both docks17.rzone.de and shades19.rzone.de have two IP addresses each. docks17.rzone.de resolves to 217.160.80.144 and 2001:8d8:fe:53:5747:2a74:d:17; shades19.rzone.de resolves to 185.132.34.146 and 2607:f1c0:fe:53:185:132:34:146.
Mail Servers
Mail for computer4u.de is handled by a single mail server, smtpin.rzone.de.
computer4u.de uses an identical mail server configuration to several other domains — among them pro-designs.de, detharding.net, psychotherapie-hgw.de and two more.
smtpin.rzone.de directs to two IP numbers, 81.169.145.97 and 2a01:238:20a:202:50f0::1097.