rtzu.com - dns.ninja
rtzu.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 207.180.239.52🇩🇪 CONTABO207.180.238.0/23 | ||||||
| PTR | vmd127464.contaboserver.net | ||||||
| NS | ns5.kasserver.com ⭐ | ||||||
| A | 85.13.128.3🇩🇪 NMM-AS85.13.128.0/24 Neue Medien Muennich | ||||||
| PTR | ns5.kasserver.com | ||||||
| NS | ns6.kasserver.com | ||||||
| A | 85.13.159.101🇩🇪 NMM-AS85.13.159.0/24 Neue Medien Muennich | ||||||
| PTR | ns6.kasserver.com | ||||||
| MX | w01d52b6.kasserver.com ⭐ | ||||||
| A | 85.13.135.16🇩🇪 NMM-AS85.13.135.0/24 Neue Medien Muennich | ||||||
| PTR | dd21524.kasserver.com | ||||||
| TXT | v=spf1 a mx include:spf.kasserver.com ~all | ||||||
| SOA | ns5.kasserver.comhostmaster@kasserver.com serial=2606220150 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1782851441 | ||||||
Same first word
Similar names
DNS History
8 records (4 active, 4 former)
○NSns01.atdot.de2015-08-05 → 2017-04-05 · 4 obs
● 2017-04-05 00:36:26
○ 2026-03-25 08:34:32
○ 2026-06-30 20:53:06
○NSns02.atdot.de2015-08-05 → 2017-04-05 · 4 obs
● 2017-04-05 00:36:26
○ 2026-03-25 08:34:32
○ 2026-06-30 20:53:06
●NSns5.kasserver.com2026-03-25 → 2026-06-30 · 3 obs
● 2026-03-25 08:34:32
● 2026-06-30 20:53:06
●NSns6.kasserver.com2026-03-25 → 2026-06-30 · 3 obs
● 2026-03-25 08:34:32
● 2026-06-30 20:53:06
●MXw01d52b6.kasserver.com2026-03-25 → 2026-06-30 · 2 obs
● 2026-06-30 20:53:06
●A207.180.239.522026-03-25 → 2026-06-30 · 3 obs
● 2026-03-25 08:34:32
● 2026-06-30 20:53:06
○A5.189.144.2502017-04-05 → 2017-04-05 · 4 obs
● 2017-04-05 00:36:26
○ 2026-03-25 08:34:32
○ 2026-06-30 20:53:06
○A82.211.56.2252015-08-05 → 2016-08-08 · 4 obs
● 2016-08-08 07:51:54
○ 2017-04-05 00:36:26
○ 2026-06-30 20:53:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| rtzu.com | ns5.kasserver.com, ns6.kasserver.com | 2 records |
✅ Authoritative Response
Server:85.13.128.3
NS records: ns5.kasserver.com, ns6.kasserver.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rtzu.com (unsigned zone)
⏱️ Timing
Total: 258ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 207.180.239.52 |
| NS | 2 | ns5.kasserver.com, ns6.kasserver.com |
| MX | 1 | w01d52b6.kasserver.com (pri: 10) |
| TXT | 1 | v=spf1 a mx include:spf.kasserver.com ~a |
| SOA | 1 | ns5.kasserver.com hostmaster.kasserver.c |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns5.kasserver.com, ns6.kasserver.com)
Analysis
IP Addresses
rtzu.com points to a single IP number: 207.180.239.52.
Additional host names — rettet-elisa.de, vmd127464.contaboserver.net, atdot.de and two others — share IP numbers with rtzu.com.
Name Servers
DNS delegation for rtzu.com points to two name servers: ns5.kasserver.com and ns6.kasserver.com.
rtzu.com shares its name server setup with other domains, including allesgut.net, koenigsmarketing.com, longpapers.net and two others.
rtzu.com partially shares its NS delegation with several other domains, including mindstyle-coaching.de, boden20.de, luftmatratze24.de and two others.
The name servers a-dns-service.de, ns3.kas-dns-server.de, ns3.ai-dns.de and ns5.name-server-kas.de are often found in use alongside these name servers.
ns5.kasserver.com resolves to 85.13.128.3. ns6.kasserver.com resolves to 85.13.159.101. Both host names point to a single IP number.
Mail Servers
rtzu.com has one mail server: w01d52b6.kasserver.com.
rtzu.com shares the same mail server setup as other domains, including pjio.de, rettet-elisa.de, atdot.de and two others.
w01d52b6.kasserver.com has exactly one IP number: 85.13.135.16.