ostech.de - dns.ninja
ostech.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 65.21.165.178🇫🇮 Hetzner65.21.0.0/16 HETZNER-DC | ||||||
| PTR | tinman.ostech.de | ||||||
| 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 | shades08.rzone.de | ||||||
| A | 2607:f1c0:fe:53:185:132:34:135🇺🇸 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 | shades08.rzone.de | ||||||
| A | 185.132.34.135🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS) | ||||||
| PTR | shades08.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 | ||||||
| TXT | v=spf1 redirect=_spf.strato.com | ||||||
| SOA | docks12.rzone.dehostmaster@strato-rz.de 2020-05-08 #15 | ||||||
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=1782564003 | ||||||
Subdomains
Same first word
ostech.co.kr |
ostech.com |
ostech.online |
ostech.io |
ostech.com.tr |
ostech.co.uk |
ostech.de |
ostech.com.cn |
ostech.nl |
ostech.org |
ostech.net |
ostech.us |
ostech.pl |
ostech.in |
ostech.eu |
ostech.com.au |
ostech.ca |
ostech.co |
ostech.ru |
Similar names
DNS History
8 records (4 active, 4 former)
○MXsmtp.rzone.de2015-06-26 → 2017-06-16 · 4 obs
● 2017-06-16 18:14:26
○ 2021-12-30 07:30:26
○ 2026-06-27 12:50:24
●MXsmtpin.rzone.de2021-12-30 → 2026-06-27 · 3 obs
● 2021-12-30 07:30:26
● 2026-06-27 12:50:24
○A144.76.60.612015-12-14 → 2017-06-16 · 5 obs
● 2015-12-14 11:28:44
● 2017-06-16 18:14:26
○ 2021-12-30 07:30:26
○ 2026-06-27 12:50:24
○A2a01:238:20a:202:1163::2015-06-26 → 2015-11-05 · 4 obs
● 2015-11-05 07:09:22
○ 2015-12-14 11:28:44
○ 2026-06-27 12:50:24
●A65.21.165.1782021-12-30 → 2026-06-27 · 3 obs
● 2021-12-30 07:30:26
● 2026-06-27 12:50:24
○A81.169.145.1632015-06-26 → 2015-11-05 · 4 obs
● 2015-11-05 07:09:22
○ 2015-12-14 11:28:44
○ 2026-06-27 12:50:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | f.nic.de, z.nic.de, a.nic.de | - |
| ostech.de | docks12.rzone.de, shades08.rzone.de | - |
✅ Authoritative Response
Server:185.132.34.135
NS records: docks12.rzone.de, shades08.rzone.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ostech.de (unsigned zone)
⏱️ Timing
Total: 710ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 65.21.165.178 |
| NS | 2 | shades08.rzone.de, docks12.rzone.de |
| MX | 1 | smtpin.rzone.de (pri: 5) |
| TXT | 1 | v=spf1 redirect=_spf.strato.com |
| SOA | 1 | docks12.rzone.de hostmaster.strato-rz.de |
Analysis
Hierarchy
The parent domain of tinman.ostech.de and urfin.ostech.de is ostech.de.
IP Addresses
ostech.de directs to one IP number, which is 65.21.165.178.
Other host names, among them ostech.com and tinman.ostech.de, have IP numbers in common with ostech.de.
Name Servers
The NS records for ostech.de delegate to docks12.rzone.de and shades08.rzone.de.
ostech.de has the same name server delegation as a number of other domains, such as gernaat.nl, krona.nl, knoesel.eu and two more.
At least some of ostech.de's name servers are shared with other domains, for example prodema-online.org, hogakamiet.de, metallspritztechnik-gmbh.info and two more.
These name servers tend to co-occur with docks18.rzone.de, docks04.rzone.de, shades17.rzone.de and 7 other name servers in the same DNS delegations.
docks12.rzone.de resolves to 217.160.80.139 and 2001:8d8:fe:53:5747:2a74:d:12. Likewise, shades08.rzone.de resolves to 185.132.34.135 and 2607:f1c0:fe:53:185:132:34:135 — two IP addresses apiece.
Mail Servers
ostech.de routes its mail through a single mail server, smtpin.rzone.de.
ostech.de has the same mail server arrangement as a number of other domains, for example sibus.de, munrau.de, reitsportbedarf24.de and two more.
smtpin.rzone.de directs to two IP numbers, 81.169.145.97 and 2a01:238:20a:202:50f0::1097.