operating-system.org - dns.ninja
operating-system.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2001:8d8:100f:f000::200🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910 | ||||||
| PTR | 2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com | ||||||
| A | 217.160.0.228🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3 | ||||||
| NS | docks17.rzone.de ⭐ | ||||||
| A | 2001:8d8:fe:53:5747:2a74:d:17🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific | ||||||
| A | 217.160.80.144🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific | ||||||
| PTR | docks17.rzone.de | ||||||
| NS | shades11.rzone.de | ||||||
| A | 2607:f1c0:fe:53:185:132:34:138🇺🇸 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 | shades11.rzone.de | ||||||
| A | 185.132.34.138🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS) | ||||||
| PTR | shades11.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 | docks17.rzone.dehostmaster@strato-rz.de 2026-06-06 #27 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1785948426 | ||||||
rank #33354 in the tld
WOT: UNKNOWN (91/100)
Subdomains
mail.operating-system.org |
file-whitelist.operating-system.org |
Same first word
operating-system.com |
operating-system.de |
operating-system.org |
Similar names
DNS History
16 records (5 active, 11 former)
○NSdns01.manitu.net2026-02-19 → 2026-06-06 · 5 obs
● 2026-02-19 16:15:50
● 2026-06-06 17:46:58
○ 2026-06-14 22:02:50
○ 2026-08-05 17:12:28
○NSdns02.manitu.net2026-02-19 → 2026-06-06 · 5 obs
● 2026-02-19 16:15:50
● 2026-06-06 17:46:58
○ 2026-06-14 22:02:50
○ 2026-08-05 17:12:28
●NSdocks17.rzone.de2026-06-14 → 2026-08-05 · 3 obs
● 2026-06-14 22:02:50
● 2026-08-05 17:12:28
○NSns10.schlund.de2015-05-24 → 2016-09-18 · 4 obs
● 2016-09-18 22:58:02
○ 2026-02-19 16:15:50
○ 2026-08-05 17:12:28
○NSns9.schlund.de2015-05-24 → 2016-09-18 · 4 obs
● 2016-09-18 22:58:02
○ 2026-02-19 16:15:50
○ 2026-08-05 17:12:28
●NSshades11.rzone.de2026-06-14 → 2026-08-05 · 3 obs
● 2026-06-14 22:02:50
● 2026-08-05 17:12:28
○MXmail020.webhosting.manitu.net2026-02-19 → 2026-06-06 · 5 obs
● 2026-02-19 16:15:50
● 2026-06-06 17:46:58
○ 2026-06-14 22:02:50
○ 2026-08-05 17:12:28
○MXmx00.schlund.de2015-05-24 → 2016-09-18 · 4 obs
● 2016-09-18 22:58:02
○ 2026-02-19 16:15:50
○ 2026-08-05 17:12:28
○MXmx01.schlund.de2015-05-24 → 2016-09-18 · 4 obs
● 2016-09-18 22:58:02
○ 2026-02-19 16:15:50
○ 2026-08-05 17:12:28
●MXsmtpin.rzone.de2026-06-14 → 2026-08-05 · 3 obs
● 2026-06-14 22:02:50
● 2026-08-05 17:12:28
●A2001:8d8:100f:f000::2002026-06-14 → 2026-08-05 · 3 obs
● 2026-06-14 22:02:50
● 2026-08-05 17:12:28
●A217.160.0.2282026-06-14 → 2026-08-05 · 3 obs
● 2026-06-14 22:02:50
● 2026-08-05 17:12:28
○A217.160.231.1492016-09-18 → 2016-09-18 · 4 obs
● 2016-09-18 22:58:02
○ 2026-02-19 16:15:50
○ 2026-08-05 17:12:28
○A2a00:1828:3000::1:1a86:22026-02-19 → 2026-06-06 · 5 obs
● 2026-02-19 16:15:50
● 2026-06-06 17:46:58
○ 2026-06-14 22:02:50
○ 2026-08-05 17:12:28
○A82.165.96.1582015-05-24 → 2016-04-01 · 4 obs
● 2016-04-01 01:26:20
○ 2016-09-18 22:58:02
○ 2026-08-05 17:12:28
○A89.238.73.1262026-02-19 → 2026-06-06 · 5 obs
● 2026-02-19 16:15:50
● 2026-06-06 17:46:58
○ 2026-06-14 22:02:50
○ 2026-08-05 17:12:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| operating-system.org | shades11.rzone.de, docks17.rzone.de | - |
✅ Authoritative Response
Server:217.160.80.144
NS records: shades11.rzone.de, docks17.rzone.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for operating-system.org (unsigned zone)
⏱️ Timing
Total: 474ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.160.0.228 |
| AAAA | 1 | 2001:8d8:100f:f000::200 |
| NS | 2 | shades11.rzone.de, docks17.rzone.de |
| MX | 1 | smtpin.rzone.de (pri: 5) |
| SOA | 1 | docks17.rzone.de hostmaster.strato-rz.de |
Analysis
Hierarchy
operating-system.org serves as the parent of mail.operating-system.org and file-whitelist.operating-system.org.
IP Addresses
operating-system.org has two IP addresses: 217.160.0.228 and 2001:8d8:100f:f000::200
kais.biz, cluetec.com, studiomiles.co.uk plus two other host names have IP numbers in common with operating-system.org.
Name Servers
The NS records for operating-system.org delegate to docks17.rzone.de and shades11.rzone.de.
The name server configuration of operating-system.org is shared with other domains, for instance alexandracosta.de, sst-a.de, xn--sv-bro-srgel-cjb3f.de and two others.
At least some of operating-system.org's name servers are shared with other domains, for example intaste.ch, c-onsec.com, dhsg.org and two more.
These name servers tend to co-occur with shades08.rzone.de, shades17.rzone.de, docks15.rzone.de and 7 other name servers in the same DNS delegations.
docks17.rzone.de resolves to 217.160.80.144 and 2001:8d8:fe:53:5747:2a74:d:17. Likewise, shades11.rzone.de resolves to 185.132.34.138 and 2607:f1c0:fe:53:185:132:34:138 — two IP addresses apiece.
Mail Servers
operating-system.org uses one mail server — smtpin.rzone.de.
The mail server setup of operating-system.org matches that of other domains such as 4natura.de, pu5.de, plan-g.de and two others.
smtpin.rzone.de directs to two IP numbers, 81.169.145.97 and 2a01:238:20a:202:50f0::1097.