stsu.de - robtex.com
stsu.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a01:238:20a:202:1148::🇩🇪 STRATO2a01:238:20a::/48 Strato AG | ||||||
| PTR | w94.rzone.de | ||||||
| A | 81.169.145.148🇩🇪 STRATO81.169.144.0/22 AG | ||||||
| NS | docks12.rzone.de ⭐ | ||||||
| A | 2001:8d8:fe:53:5747:2a74:d:12🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific | ||||||
| PTR | docks12.rzone.de | ||||||
| A | 217.160.80.139🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific | ||||||
| PTR | docks12.rzone.de | ||||||
| NS | shades04.rzone.de | ||||||
| A | 2607:f1c0:fe:53:185:132:34:131🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US | ||||||
| PTR | shades04.rzone.de | ||||||
| A | 185.132.34.131🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS) | ||||||
| PTR | shades04.rzone.de | ||||||
| MX | smtpin.rzone.de ⭐ | ||||||
| A | 2a01:238:20a:202:50f0::1097🇩🇪 STRATO2a01:238:20a::/48 Strato AG | ||||||
| A | 81.169.145.97🇩🇪 STRATO81.169.144.0/22 AG | ||||||
| PTR | smtpin.rzone.de | ||||||
| SOA | docks12.rzone.dehostmaster@strato-rz.de 2020-06-11 #13 | ||||||
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=1776090364 | ||||||
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
○MXsmtp.rzone.de2015-07-03 → 2015-11-09 · 4 obs
● 2015-11-09 13:34:12
○ 2016-02-11 11:41:00
○ 2026-04-13 14:42:12
●MXsmtpin.rzone.de2016-02-11 → 2026-04-13 · 3 obs
● 2016-02-11 11:41:00
● 2026-04-13 14:42:12
●A2a01:238:20a:202:1148::2015-07-03 → 2026-04-13 · 2 obs
● 2026-04-13 14:42:12
●A81.169.145.1482015-07-03 → 2026-04-13 · 2 obs
● 2026-04-13 14:42:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | z.nic.de, a.nic.de, f.nic.de | - |
| stsu.de | shades04.rzone.de, docks12.rzone.de | - |
✅ Authoritative Response
Server:185.132.34.131
NS records: shades04.rzone.de, docks12.rzone.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for stsu.de (unsigned zone)
⏱️ Timing
Total: 1252ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.169.145.148 |
| AAAA | 1 | 2a01:238:20a:202:1148:: |
| NS | 2 | docks12.rzone.de, shades04.rzone.de |
| MX | 1 | smtpin.rzone.de (pri: 5) |
| SOA | 1 | docks12.rzone.de hostmaster.strato-rz.de |
Analysis
IP Addresses
stsu.de resolves to two IPs: 2a01:238:20a:202:1148:: and 81.169.145.148.
other host names for instance mathias-kettner.com, vriendenplein.nl, medical1.org, desoye.info and bewaesserungssysteme.com share IP numbers with stsu.de.
Name Servers
stsu.de is delegated to two name servers: docks12.rzone.de and shades04.rzone.de.
stsu.de shares the same name server setup as other domains, for example swvregistratie.nl, denice.de, aidabuendia.es, der-moench.de and minnesang.net.
stsu.de at least partially shares name servers with other domains, for instance raystream.de, heilex.com, stjohannesonline.de, acici.de and moegel.eu.
These name servers are often used together with the name servers shades09.rzone.de, docks18.rzone.de, shades10.rzone.de, shades05.rzone.de, docks16.rzone.de, docks15.rzone.de, docks20.rzone.de, docks19.rzone.de, shades02.rzone.de and shades07.rzone.de.
Host names with two IP numbers:
docks12.rzone.de points to 2001:8d8:fe:53:5747:2a74:d:12 and 217.160.80.139
shades04.rzone.de points to 2607:f1c0:fe:53:185:132:34:131 and 185.132.34.131
Mail Servers
stsu.de is handled by a single mail server, smtpin.rzone.de.
stsu.de shares the same mail server setup as other domains, for instance ns.cebis.net, phost.de, lubass.de, mar-kus.net and alexonweb.com.
Host smtpin.rzone.de resolves to two IPs: 2a01:238:20a:202:50f0::1097 and 81.169.145.97.