linux-academy.ru - robtex.com
linux-academy.ru
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=4068659 | ||||||
PTR for
Subdomains
mail.linux-academy.ru |
Same first word
linux-academy.com |
linux-academy.net.ph |
linux-academy.ru |
DNS History
6 records (4 active, 2 former)
●MXmail.linux-academy.ru2026-03-03 → 2026-04-26 · 2 obs
● 2026-04-26 20:51:42
●A185.22.235.392026-03-03 → 2026-04-26 · 2 obs
● 2026-04-26 20:51:42
○A193.162.143.692026-03-03 → 2026-04-26 · 2 obs
○ 2026-04-26 20:51:42
○A2a09:5302:ffff::a202026-03-03 → 2026-04-26 · 2 obs
○ 2026-04-26 20:51:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, d.dns.ripn.net, f.dns.ripn.net, b.dns.ripn.net... | - |
| linux-academy.ru | ns1.reg.ru, ns2.reg.ru | 20 records |
✅ Authoritative Response
Server:176.99.13.12
NS records: ns1.reg.ru, ns2.reg.ru
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 891ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.22.235.39 |
| NS | 2 | ns1.reg.ru, ns2.reg.ru |
| MX | 1 | mail.linux-academy.ru (pri: 10) |
| TXT | 1 | v=spf1 a mx ip4:185.22.235.39 ~all |
| SOA | 1 | ns1.reg.ru hostmaster.ns1.reg.ru |
📌 Glue Records Collected
Total: 20
Out-of-bailiwick: 20 (ns1.reg.ru, ns1.reg.ru, ns1.reg.ru...)
Analysis
Hierarchy
linux-academy.ru is the parent of mail.linux-academy.ru.
IP Addresses
linux-academy.ru resolves to a single IP: 185.22.235.39.
Other host names including html-school.ru, mail.linux-academy.ru and study-math.online share IP numbers with linux-academy.ru.
Name Servers
linux-academy.ru has two name servers: ns1.reg.ru and ns2.reg.ru.
linux-academy.ru shares the same name server setup as other domains, for example globalbonus.ru, lstk.pro, bortnikov.ru, alpinadigital.ru and cmc-group.org.
Host names with ten IP numbers:
ns1.reg.ru points to: 2a00:f940:9::1:1, 2a00:f940:9::2:1, 176.99.13.11, 176.99.13.13, 176.99.13.15, 176.99.13.17, 194.58.117.11, 194.58.117.13, 194.58.117.15 and 194.58.117.17.
ns2.reg.ru points to: 2a00:f940:9::1:2, 2a00:f940:9::2:2, 176.99.13.12, 176.99.13.14, 176.99.13.16, 176.99.13.18, 194.58.117.12, 194.58.117.14, 194.58.117.16 and 194.58.117.18.
Mail Servers
linux-academy.ru is handled by a single mail server, mail.linux-academy.ru.
Host name mail.linux-academy.ru points to IP 185.22.235.39.