osdev.ru - dns.ninja
osdev.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 91.226.30.3🇷🇺 RTCOMM-AS91.226.30.0/24 | ||||||
| NS | s.i7.ru ⭐ ⚠️ Not in parent delegation | ||||||
| A | 91.226.30.3🇷🇺 RTCOMM-AS91.226.30.0/24 | ||||||
| NS | n.i7.ru ⚠️ Not in parent delegation | ||||||
| A | 91.226.31.82🇷🇺 WORLDSTREAM-191.226.31.0/24 | ||||||
| NS | ns1.expired.ru ⚠️ Not in zone NS records | ||||||
| A | 91.226.30.3🇷🇺 RTCOMM-AS91.226.30.0/24 | ||||||
| NS | ns2.expired.ru ⚠️ Not in zone NS records | ||||||
| A | 91.226.31.82🇷🇺 WORLDSTREAM-191.226.31.0/24 | ||||||
| SOA | s.i7.rudns@i7.ru 2014-12-16 #1 | ||||||
ru
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.ripn.net ⭐ | ||||||
| NS | b.dns.ripn.net | ||||||
| NS | d.dns.ripn.net | ||||||
| NS | e.dns.ripn.net | ||||||
| NS | f.dns.ripn.net | ||||||
| SOA | a.dns.ripn.nethostmaster@ripn.net serial=4069250 | ||||||
Subdomains
Same first word
osdev.com |
osdev.net |
osdev.nl |
osdev.org |
osdev.cn |
osdev.de |
osdev.wiki |
osdev.co |
osdev.it |
osdev.co.th |
osdev.me |
osdev.ru |
osdev.info |
osdev.fr |
osdev.pl |
Similar names
DNS History
13 records (5 active, 8 former)
●NSn.i7.ru2026-02-28 → 2026-06-14 · 3 obs
● 2026-02-28 12:24:44
● 2026-06-14 11:26:04
●NSns1.expired.ru2026-02-28 → 2026-06-14 · 3 obs
● 2026-02-28 12:24:44
● 2026-06-14 11:26:04
●NSns2.expired.ru2026-02-28 → 2026-06-14 · 3 obs
● 2026-02-28 12:24:44
● 2026-06-14 11:26:04
○NSns3.nic.ru2015-06-24 → 2017-04-18 · 4 obs
● 2017-04-18 19:41:10
○ 2026-02-28 12:24:44
○ 2026-06-14 11:26:04
○NSns4.nic.ru2015-06-24 → 2017-04-18 · 4 obs
● 2017-04-18 19:41:10
○ 2026-02-28 12:24:44
○ 2026-06-14 11:26:04
○NSns8.nic.ru2015-06-24 → 2017-04-18 · 4 obs
● 2017-04-18 19:41:10
○ 2026-02-28 12:24:44
○ 2026-06-14 11:26:04
●NSs.i7.ru2026-02-28 → 2026-06-14 · 3 obs
● 2026-02-28 12:24:44
● 2026-06-14 11:26:04
○MXmx01.nicmail.ru2015-06-24 → 2017-04-18 · 4 obs
● 2017-04-18 19:41:10
○ 2026-02-28 12:24:44
○ 2026-06-14 11:26:04
○MXmx02.nicmail.ru2015-06-24 → 2017-04-18 · 4 obs
● 2017-04-18 19:41:10
○ 2026-02-28 12:24:44
○ 2026-06-14 11:26:04
○MXmx03.nicmail.ru2015-06-24 → 2017-04-18 · 4 obs
● 2017-04-18 19:41:10
○ 2026-02-28 12:24:44
○ 2026-06-14 11:26:04
○A195.208.1.1372015-06-24 → 2017-01-08 · 4 obs
● 2017-01-08 15:40:22
○ 2017-04-18 19:41:10
○ 2026-06-14 11:26:04
○A195.208.1.1382017-04-18 → 2017-04-18 · 4 obs
● 2017-04-18 19:41:10
○ 2026-02-28 12:24:44
○ 2026-06-14 11:26:04
●A91.226.30.32026-02-28 → 2026-06-14 · 3 obs
● 2026-02-28 12:24:44
● 2026-06-14 11:26:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | e.dns.ripn.net, a.dns.ripn.net, d.dns.ripn.net, b.dns.ripn.net... | - |
| osdev.ru | ns1.expired.ru, ns2.expired.ru | - |
✅ Authoritative Response
Server:91.226.31.82
NS records: ns1.expired.ru, ns2.expired.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for osdev.ru (unsigned zone)
⏱️ Timing
Total: 859ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.226.30.3 |
| NS | 2 | s.i7.ru, n.i7.ru |
| SOA | 1 | n.i7.ru dns.i7.ru |
Analysis
Hierarchy
The parent domain of ns1.osdev.ru and ns2.osdev.ru is osdev.ru.
IP Addresses
osdev.ru directs to one IP number, which is 91.226.30.3.
Among the host names that share IP numbers with osdev.ru are xn--80ag0ambafy.xn--p1ai, roman-ustyuzhanin-poligraf.ru, printkolor.ru and two others.
Name Servers
The domain osdev.ru is delegated to these four name servers: ns1.expired.ru, ns2.expired.ru, n.i7.ru and s.i7.ru.
There is at least partial name server overlap between osdev.ru and other domains — 41.152.62.isp-a.ptr.elidar.ru, rcro.su, ns1.zdorovtv.ru and two more among them.
Four hosts, two IP addresses: ns1.expired.ru and s.i7.ru resolve to 91.226.30.3 and ns2.expired.ru and n.i7.ru resolve to 91.226.31.82.
ns1.expired.ru and s.i7.ru each have 91.226.30.3 IP addresses.
ns2.expired.ru and n.i7.ru each have 91.226.31.82 IP addresses.