itechbrain.ru - dns.ninja
itechbrain.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 82.146.44.89🇷🇺 RU-JSCIOT82.146.40.0/21 | ||||||
| PTR | itechbrain.ru | ||||||
| NS | itechbrain.ru ⭐ | ||||||
| A | 82.146.44.89🇷🇺 RU-JSCIOT82.146.40.0/21 | ||||||
| PTR | itechbrain.ru | ||||||
| NS | ns1.firstvds.ru | ||||||
| A | 2a01:230:2:74::3🇷🇺 RU-JSCIOT2a01:230:2::/48 | ||||||
| A | 82.146.43.2🇷🇺 RU-JSCIOT82.146.40.0/21 | ||||||
| PTR | ns1.firstvds.ru | ||||||
| NS | ns2.firstvds.ru | ||||||
| A | 2a01:230:2:75::3🇷🇺 RU-JSCIOT2a01:230:2::/48 | ||||||
| A | 94.250.248.160🇷🇺 RU-JSCIOT94.250.248.0/23 | ||||||
| PTR | ns2.firstvds.ru | ||||||
| MX | mail2.itechbrain.ru ⭐ | ||||||
| A | 90.156.208.177🇷🇺 TimeWeb-AS90.156.208.0/24 | ||||||
| MX | mail.itechbrain.ru(20) | ||||||
| A | 82.146.44.89🇷🇺 RU-JSCIOT82.146.40.0/21 | ||||||
| PTR | itechbrain.ru | ||||||
| TXT | v=spf1 ip4:82.146.44.89 ip4:90.156.208.177 a mx ~all | ||||||
| SOA | itechbrain.ruroot@itechbrain.ru 2023-05-14 #12 | ||||||
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=4069385 | ||||||
PTR for
NS for
bau-forward.ru |
itechbrain.ru |
litosm.ru |
Subdomains
Same first word
itechbrain.ru |
Similar names
DNS History
6 records (6 active, 0 former)
●NSitechbrain.ru2026-02-17 → 2026-06-25 · 2 obs
● 2026-06-25 16:55:16
●NSns1.firstvds.ru2026-02-17 → 2026-06-25 · 2 obs
● 2026-06-25 16:55:16
●NSns2.firstvds.ru2026-02-17 → 2026-06-25 · 2 obs
● 2026-06-25 16:55:16
●MXmail.itechbrain.ru2026-02-17 → 2026-06-25 · 2 obs
● 2026-06-25 16:55:16
●MXmail2.itechbrain.ru2026-02-17 → 2026-06-25 · 2 obs
● 2026-06-25 16:55:16
●A82.146.44.892026-02-17 → 2026-06-25 · 2 obs
● 2026-06-25 16:55:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | e.dns.ripn.net, d.dns.ripn.net, b.dns.ripn.net, f.dns.ripn.net... | - |
| itechbrain.ru | ns1.firstvds.ru, ns2.firstvds.ru | 2 records |
✅ Authoritative Response
Server:94.250.248.160
NS records: ns1.firstvds.ru, ns2.firstvds.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for itechbrain.ru (unsigned zone)
⏱️ Timing
Total: 609ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 82.146.44.89 |
| NS | 2 | ns1.firstvds.ru, ns2.firstvds.ru |
| MX | 2 | mail2.itechbrain.ru (pri: 20), mail.itechbrain.ru (pri: 10) |
| TXT | 1 | v=spf1 ip4:82.146.44.89 ip4:90.156.208.1 |
| SOA | 1 | itechbrain.ru root.itechbrain.ru |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.firstvds.ru, ns1.firstvds.ru)
Analysis
Hierarchy
mail2.itechbrain.ru and mail.itechbrain.ru are both subdomains of itechbrain.ru.
Name Server Role
itechbrain.ru is an authoritative name server for bau-forward.ru, itechbrain.ru and litosm.ru.
ns1.firstvds.ru and ns2.firstvds.ru are often used as name servers in combination with itechbrain.ru.
IP Addresses
itechbrain.ru resolves to one IP address: 82.146.44.89.
mail.itechbrain.ru, for instance, is one of the other host names sharing IP numbers with itechbrain.ru.
Name Servers
Three name servers handle the delegation for itechbrain.ru: itechbrain.ru, ns1.firstvds.ru and ns2.firstvds.ru.
At least some of itechbrain.ru's name servers are shared with other domains, for example xn--80agvggebbu.xn--p1ai, mrsp.ru, 24intex.ru and two more.
These name servers tend to co-occur with firstvds.ru, ns1.example.com, ns2.example.com and 5 other name servers in the same DNS delegations.
Hostnames that resolve to two IP addresses:
ns1.firstvds.ru directs traffic to 82.146.43.2 and 2a01:230:2:74::3.
ns2.firstvds.ru directs traffic to 94.250.248.160 and 2a01:230:2:75::3.
Hosts with just one IP address:
itechbrain.ru has the IP address 82.146.44.89.
Mail Servers
Mail for itechbrain.ru is handled by two mail servers — mail2.itechbrain.ru and mail.itechbrain.ru.
Each of mail2.itechbrain.ru and mail.itechbrain.ru has one IP address: mail2.itechbrain.ru uses 90.156.208.177 and mail.itechbrain.ru uses 82.146.44.89.