openbrook.de - robtex.com
openbrook.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=1776253595 | ||||||
Same first word
openbrook.com |
openbrook.de |
Similar names
DNS History
16 records (11 active, 5 former)
●NSns1.domainoffensive.de2026-04-11 → 2026-04-15 · 3 obs
● 2026-04-11 03:21:46
● 2026-04-15 12:02:52
●NSns2.domainoffensive.eu2026-04-11 → 2026-04-15 · 3 obs
● 2026-04-11 03:21:46
● 2026-04-15 12:02:52
●NSns3.domainoffensive.net2026-04-11 → 2026-04-15 · 3 obs
● 2026-04-11 03:21:46
● 2026-04-15 12:02:52
○NSns5.kasserver.com2015-08-12 → 2020-01-27 · 4 obs
● 2020-01-27 04:28:48
○ 2026-04-11 03:21:46
○ 2026-04-15 12:02:52
○NSns6.kasserver.com2015-08-12 → 2020-01-27 · 4 obs
● 2020-01-27 04:28:48
○ 2026-04-11 03:21:46
○ 2026-04-15 12:02:52
○MXmail.openbrook.de2015-08-12 → 2016-04-27 · 4 obs
● 2016-04-27 05:42:10
○ 2017-01-17 13:48:28
○ 2026-04-15 12:02:52
●MXmx01.mail-redirect.de2026-04-11 → 2026-04-15 · 3 obs
● 2026-04-11 03:21:46
● 2026-04-15 12:02:52
●MXmx02.mail-redirect.eu2026-04-11 → 2026-04-15 · 3 obs
● 2026-04-11 03:21:46
● 2026-04-15 12:02:52
○MXw00e1a58.kasserver.com2017-01-17 → 2020-01-27 · 5 obs
● 2017-01-17 13:48:28
● 2020-01-27 04:28:48
○ 2026-04-11 03:21:46
○ 2026-04-15 12:02:52
●A116.202.21.1362026-04-11 → 2026-04-15 · 3 obs
● 2026-04-11 03:21:46
● 2026-04-15 12:02:52
●A116.202.9.1662026-04-11 → 2026-04-15 · 3 obs
● 2026-04-11 03:21:46
● 2026-04-15 12:02:52
●A116.203.213.722026-04-11 → 2026-04-15 · 3 obs
● 2026-04-11 03:21:46
● 2026-04-15 12:02:52
●A2a01:4f8:c010:3f9c::12026-04-11 → 2026-04-15 · 3 obs
● 2026-04-11 03:21:46
● 2026-04-15 12:02:52
●A2a01:4f8:c17:c19c::12026-04-11 → 2026-04-15 · 3 obs
● 2026-04-11 03:21:46
● 2026-04-15 12:02:52
●A2a01:4f8:c2c:abf5::12026-04-11 → 2026-04-15 · 3 obs
● 2026-04-11 03:21:46
● 2026-04-15 12:02:52
○A85.13.130.652015-08-12 → 2020-01-27 · 4 obs
● 2020-01-27 04:28:48
○ 2026-04-11 03:21:46
○ 2026-04-15 12:02:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| openbrook.de | ns1.domainoffensive.de, ns2.domainoffensive.eu, ns3.domainoffensive.net | - |
✅ Authoritative Response
Server:192.174.68.21
NS records: ns1.domainoffensive.de, ns2.domainoffensive.eu, ns3.domainoffensive.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 759ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 3 | 116.202.9.166, 116.202.21.136... |
| AAAA | 3 | 2a01:4f8:c17:c19c::1, 2a01:4f8:c2c:abf5::1... |
| NS | 3 | ns1.domainoffensive.de, ns2.domainoffensive.eu... |
| MX | 2 | mx01.mail-redirect.de (pri: 10), mx02.mail-redirect.eu (pri: 10) |
| TXT | 2 | ad440a847138fe82a6458cc424deae6cd4371ed6, v=spf1 mx mx:mx01.mail-redirect.de mx:mx |
| SOA | 1 | ns1.domainoffensive.de info.domains.rese |
Analysis
IP Addresses
openbrook.de resolves to six IP addresses: 2a01:4f8:c17:c19c::1, 2a01:4f8:c2c:abf5::1, 2a01:4f8:c010:3f9c::1, 116.202.9.166, 116.202.21.136 and 116.203.213.72.
other host names including ki-telegram.online, niobi.de, tobiads.com, hotelascot.de and morbcorp.de share IP numbers with openbrook.de.
Name Servers
openbrook.de is delegated to three name servers ns1.domainoffensive.de, ns2.domainoffensive.eu and ns3.domainoffensive.net.
openbrook.de at least partially shares name servers with other domains, for instance scheibe.tv, screenspace.de, cvbg.de, thomasgerstmann.de and teamsport.at.
These name servers are commonly used alongside ns2.domainoffensive.de and ns3.domainoffensive.de.
Host names with two IP numbers:
ns1.domainoffensive.de points to: 2001:67c:1bc::21 and 192.174.68.21.
ns2.domainoffensive.eu points to: 2001:67c:10b8::21 and 176.97.158.21.
ns3.domainoffensive.net points to: 2001:67c:1bc::20 and 192.174.68.20.
Mail Servers
Two mail servers handle openbrook.de: mx01.mail-redirect.de and mx02.mail-redirect.eu.
openbrook.de shares the same mail server setup as other domains, for instance pidgin-im.de, sachsperformance.at, topf24.com, firbman.com and elitepic.de.
Host names with two IP numbers:
The host name mx01.mail-redirect.de points to 2a01:4f8:1c17:52e9::1 and 88.99.82.73; the host name mx02.mail-redirect.eu points to 2a01:4f8:c2c:9ff::1 and 159.69.107.183.