htwnet.de - robtex.com
htwnet.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=1776920229 | ||||||
Same first word
Similar names
DNS History
7 records (6 active, 1 former)
●NSns1.first-ns.de2015-05-26 → 2026-04-23 · 2 obs
● 2026-04-23 05:07:32
●NSrobotns2.second-ns.de2015-05-26 → 2026-04-23 · 2 obs
● 2026-04-23 05:07:32
●NSrobotns3.second-ns.com2015-05-26 → 2026-04-23 · 2 obs
● 2026-04-23 05:07:32
●MXde-smtp-inbound-1.mimecast.com2026-04-10 → 2026-04-23 · 3 obs
● 2026-04-10 11:39:10
● 2026-04-23 05:07:32
●MXde-smtp-inbound-2.mimecast.com2026-04-10 → 2026-04-23 · 3 obs
● 2026-04-10 11:39:10
● 2026-04-23 05:07:32
○MXmail.htwnet.de2015-05-26 → 2017-04-07 · 4 obs
● 2017-04-07 10:37:56
○ 2026-04-10 11:39:10
○ 2026-04-23 05:07:32
●A213.133.104.382015-05-26 → 2026-04-23 · 2 obs
● 2026-04-23 05:07:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| htwnet.de | ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com | - |
✅ Authoritative Response
Server:193.47.99.3
NS records: ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for htwnet.de (unsigned zone)
⏱️ Timing
Total: 1252ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 213.133.104.38 |
| NS | 3 | robotns2.second-ns.de, robotns3.second-ns.com... |
| MX | 2 | de-smtp-inbound-2.mimecast.com (pri: 10), de-smtp-inbound-1.mimecast.com (pri: 10) |
| TXT | 4 | google-site-verification=3zYsWlUG8f06iH9, v=spf1 include:de._netblocks.mimecast.co... |
| SOA | 1 | ns1.first-ns.de dns.hetzner.com |
Analysis
IP Addresses
htwnet.de resolves to a single IP address: 213.133.104.38.
Other host names including mail.team-android.at, mail.voltage-stabilizer-sb.com, ma-burkhardt.de, www.x3.net and global-automation.at share IP numbers with htwnet.de.
Name Servers
htwnet.de is delegated to three name servers: robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.
htwnet.de at least partially shares name servers with other domains, including ns1.plans4host.com, immobilienverwaltung-brueckner.de, otj.fi, los-ds.de and alternativemedia.gr.
these name servers are commonly used together with hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.
Host names with two IP numbers:
robotns3.second-ns.com points to: 2001:67c:192c::add:a3 and 193.47.99.3
ns1.first-ns.de points to: 2a01:4f8:0:a101::a:1 and 213.239.242.238
robotns2.second-ns.de points to: 2a01:4f8:0:1::5ddc:2 and 213.133.100.103
Mail Servers
htwnet.de is handled by two mail servers: de-smtp-inbound-1.mimecast.com and de-smtp-inbound-2.mimecast.com.
htwnet.de shares its mail server setup with other domains, including comelelettroforniture.it, lusotur.pt, edelsa.com, aacplastics.co.uk and dyckerhoff.pl.
The mail servers for htwnet.de are shared with other domains, for instance b2b-test.amazonas.eu, braun-audio.com, logitrex.nl, manpowergroup.se and groupe-alpha.com.
Names with two IPs:
de-smtp-inbound-1.mimecast.com points to 194.104.108.22 and 194.104.110.22.
de-smtp-inbound-2.mimecast.com points to 194.104.108.22 and 194.104.110.22.
Names pointing to 194.104.108.22: de-smtp-inbound-1.mimecast.com and de-smtp-inbound-2.mimecast.com.
Names pointing to 194.104.110.22: de-smtp-inbound-1.mimecast.com and de-smtp-inbound-2.mimecast.com.