bau-kaiser.de - robtex.com
bau-kaiser.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 18.197.248.23🇩🇪 Amazon18.196.0.0/15 EC2 FRA prefix | ||||||
| PTR | eu-staticip.multiscreensite.com | ||||||
| NS | ns1.systemdns.com ⭐ | ||||||
| A | 2604:4000:0:d:216:40:47:90🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000 | ||||||
| PTR | ns1.systemdns.com | ||||||
| A | 216.40.47.90🇨🇦 TUCOWS216.40.47.0/24 -BRA-BLK1.4/NET-216-40-47-0 | ||||||
| PTR | ns1.systemdns.com | ||||||
| NS | ns2.systemdns.com | ||||||
| A | 2604:4000:2800:d:64:99:148:16🇨🇦 TUCOWS-32604:4000:2800::/37 Tucows.com Co. | ||||||
| PTR | ns2.systemdns.com | ||||||
| A | 64.98.148.16🇨🇦 TUCOWS-364.98.144.0/20 Tucows.com Co. | ||||||
| PTR | ns2.systemdns.com | ||||||
| NS | ns3.systemdns.com | ||||||
| A | 2604:4000:0:d:64:99:96:36🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000 | ||||||
| PTR | ns3.systemdns.com | ||||||
| A | 64.99.96.36🇨🇦 TUCOWS64.99.96.0/24 -BRA-BLK2.7.2 | ||||||
| PTR | ns3.systemdns.com | ||||||
| MX | mx.bau-kaiser.de.cust.a.hostedemail.com ⭐ | ||||||
| A | 216.40.42.4🇨🇦 TUCOWS216.40.32.0/20 Tucows International | ||||||
| PTR | mx.hostedemail.com | ||||||
| TXT | v=spf1 include:_spf.hostedemail.com ~all | ||||||
| SOA | ns1.systemdns.comhostmaster@systemdns.com serial=1752885792 | ||||||
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=1776140173 | ||||||
Subdomains
mail.bau-kaiser.de |
Same first word
bau-kaiser.de |
Similar names
DNS History
10 records (5 active, 5 former)
●NSns1.systemdns.com2026-03-05 → 2026-04-14 · 3 obs
● 2026-03-05 02:21:52
● 2026-04-14 04:30:38
●NSns2.systemdns.com2026-03-05 → 2026-04-14 · 3 obs
● 2026-03-05 02:21:52
● 2026-04-14 04:30:38
●NSns3.systemdns.com2026-03-05 → 2026-04-14 · 3 obs
● 2026-03-05 02:21:52
● 2026-04-14 04:30:38
○NSns5.kasserver.com2015-08-07 → 2019-02-14 · 4 obs
● 2019-02-14 15:35:18
○ 2026-03-05 02:21:52
○ 2026-04-14 04:30:38
○NSns6.kasserver.com2015-08-07 → 2019-02-14 · 4 obs
● 2019-02-14 15:35:18
○ 2026-03-05 02:21:52
○ 2026-04-14 04:30:38
○MXmail.bau-kaiser.de2015-08-07 → 2016-07-01 · 4 obs
● 2016-07-01 15:00:16
○ 2017-02-10 21:23:18
○ 2026-04-14 04:30:38
●MXmx.bau-kaiser.de.cust.a.hostedemail.com2026-03-05 → 2026-04-14 · 3 obs
● 2026-03-05 02:21:52
● 2026-04-14 04:30:38
○MXw0131d15.kasserver.com2017-02-10 → 2019-02-14 · 5 obs
● 2017-02-10 21:23:18
● 2019-02-14 15:35:18
○ 2026-03-05 02:21:52
○ 2026-04-14 04:30:38
●A18.197.248.232026-03-05 → 2026-04-14 · 3 obs
● 2026-03-05 02:21:52
● 2026-04-14 04:30:38
○A85.13.132.362015-08-07 → 2019-02-14 · 4 obs
● 2019-02-14 15:35:18
○ 2026-03-05 02:21:52
○ 2026-04-14 04:30:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| bau-kaiser.de | ns1.systemdns.com, ns2.systemdns.com, ns3.systemdns.com | - |
✅ Authoritative Response
Server:216.40.47.90
NS records: ns1.systemdns.com, ns2.systemdns.com, ns3.systemdns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bau-kaiser.de (unsigned zone)
⏱️ Timing
Total: 507ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 18.197.248.23 |
| NS | 3 | ns3.systemdns.com, ns1.systemdns.com... |
| MX | 1 | mx.bau-kaiser.de.cust.a.hostedemail.com |
| TXT | 1 | v=spf1 include:_spf.hostedemail.com ~all |
| SOA | 1 | ns1.systemdns.com hostmaster.systemdns.c |
Analysis
Hierarchy
The parent of mail.bau-kaiser.de is bau-kaiser.de.
IP Addresses
bau-kaiser.de points to a single IP number: 18.197.248.23.
Other host names, for instance jmksaneeraus.fi, climatgaz.fr, omranya.com, alumitres.pt and farbenshop.ch share IP numbers with bau-kaiser.de.
Name Servers
The domain bau-kaiser.de is delegated to three name servers: ns1.systemdns.com, ns2.systemdns.com and ns3.systemdns.com.
bau-kaiser.de shares name servers with other domains at least partially, for instance hoffmanbrothersplumbing.com, llenceria.com, pcscleaningservices.co.nz, cdbaby.us and klaverproperties.com.
Host names with two IP numbers:
ns1.systemdns.com points to 2604:4000:0:d:216:40:47:90 and 216.40.47.90
ns2.systemdns.com points to 2604:4000:2800:d:64:99:148:16 and 64.98.148.16
ns3.systemdns.com points to 2604:4000:0:d:64:99:96:36 and 64.99.96.36
Mail Servers
The mail server for bau-kaiser.de is mx.bau-kaiser.de.cust.a.hostedemail.com.
Host name mx.bau-kaiser.de.cust.a.hostedemail.com resolves to IP 216.40.42.4.