jacubowsky.de - robtex.com
jacubowsky.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=1774384237 | ||||||
Subdomains
mail.jacubowsky.de |
Same first word
jacubowsky.de |
Similar names
DNS History
10 records (8 active, 2 former)
●NSns1.domainoffensive.de2015-08-22 → 2026-03-24 · 2 obs
● 2026-03-24 20:52:56
●NSns2.domainoffensive.de2015-08-22 → 2026-03-24 · 2 obs
● 2026-03-24 20:52:56
●NSns3.domainoffensive.de2015-12-28 → 2026-03-24 · 3 obs
● 2015-12-28 00:59:10
● 2026-03-24 20:52:56
●MXmail-webspace24.do.de2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 20:52:56
○MXmail.jacubowsky.de2015-08-22 → 2017-04-10 · 3 obs
● 2017-04-10 16:14:34
○ 2026-03-24 20:52:56
●A2a00:1200:0:8::a822026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 20:52:56
●A2a00:1200:0:8::a832026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 20:52:56
○A78.111.78.2132015-08-22 → 2017-04-10 · 3 obs
● 2017-04-10 16:14:34
○ 2026-03-24 20:52:56
●A95.128.200.2262026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 20:52:56
●A95.128.200.2272026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 20:52:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| jacubowsky.de | ns2.domainoffensive.de, ns3.domainoffensive.de, ns1.domainoffensive.de | - |
✅ Authoritative Response
Server:176.97.158.21
NS records: ns2.domainoffensive.de, ns3.domainoffensive.de, ns1.domainoffensive.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jacubowsky.de (unsigned zone)
⏱️ Timing
Total: 1110ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 95.128.200.226, 95.128.200.227 |
| AAAA | 2 | 2a00:1200:0:8::a82, 2a00:1200:0:8::a83 |
| NS | 3 | ns1.domainoffensive.de, ns2.domainoffensive.de... |
| MX | 1 | mail-webspace24.do.de (pri: 20) |
| TXT | 2 | mailerlite-domain-verification=59916a417, v=spf1 include:_spf.mlsend.com mx ip4:95 |
| SOA | 1 | ns1.domainoffensive.de info.domains.rese |
Analysis
Hierarchy
The parent of mail.jacubowsky.de is jacubowsky.de.
IP Addresses
jacubowsky.de maps to four IP numbers: 2a00:1200:0:8::a82, 2a00:1200:0:8::a83, 95.128.200.226 and 95.128.200.227.
Other host names such as e30classics.com, mobile(0x736578).at, g-bos.com, ver(0x736578)t.de and kloeckener.dev share IPs with jacubowsky.de.
Name Servers
jacubowsky.de is delegated to three name servers: ns1.domainoffensive.de, ns2.domainoffensive.de and ns3.domainoffensive.de.
jacubowsky.de at least partially shares name servers with other domains, for example sdt-service.de, itxpc.de, tus-bw.de, fitline-restorate.com and gedenken-shop.com.
These name servers are often used together with ns2.domainoffensive.eu and ns3.domainoffensive.net.
Host names with two IP numbers:
ns1.domainoffensive.de points to 2001:67c:1bc::21 and 192.174.68.21
ns2.domainoffensive.de points to 2001:67c:10b8::21 and 176.97.158.21
ns3.domainoffensive.de points to 2001:67c:1bc::20 and 192.174.68.20
Mail Servers
The mail-webspace24.do.de mail server handles jacubowsky.de.
jacubowsky.de shares the same mail server setup as other domains, including sieberg.biz, advotax.com, volvai.com, kleinklima.de and tiny-house.net.
jacubowsky.de shares at least some mail servers with other domains, for example blue-it.de and keepbit.net.
mail-webspace24.do.de points to a single IP number: 95.128.200.211.