school-brain.ru - robtex.com
school-brain.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.137.234.46🇷🇺 SELECTEL185.137.234.0/24 | ||||||
| NS | a.ns.selectel.ru ⭐ | ||||||
| A | 2a00:ab00:800::2:53🇷🇺 SELECTEL2a00:ab00::/32 Selectel IPv6 | ||||||
| A | 188.68.203.1🇷🇺 SELECTEL188.68.203.0/24 Selectel Route Object | ||||||
| PTR | a.ns.selectel.ru | ||||||
| NS | b.ns.selectel.ru | ||||||
| A | 2a00:ab00:801::2:53🇷🇺 SELECTEL2a00:ab00::/32 Selectel IPv6 | ||||||
| A | 77.223.114.2🇷🇺 SELECTEL77.223.114.0/24 Selectel Route Object | ||||||
| PTR | b.ns.selectel.ru | ||||||
| NS | c.ns.selectel.ru | ||||||
| A | 2a00:ab00:802::2:53🇷🇺 SELECTEL2a00:ab00::/32 Selectel IPv6 | ||||||
| A | 188.68.203.3🇷🇺 SELECTEL188.68.203.0/24 Selectel Route Object | ||||||
| PTR | c.ns.selectel.ru | ||||||
| NS | d.ns.selectel.ru | ||||||
| A | 2a00:ab00:803::2:53🇷🇺 SELECTEL2a00:ab00::/32 Selectel IPv6 | ||||||
| A | 77.223.114.4🇷🇺 SELECTEL77.223.114.0/24 Selectel Route Object | ||||||
| PTR | d.ns.selectel.ru | ||||||
| SOA | a.ns.selectel.rusupport@selectel.ru 2026-01-19 #2 | ||||||
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=4068885 | ||||||
Same first word
school-brain.ru |
DNS History
5 records (5 active, 0 former)
●NSa.ns.selectel.ru2026-02-14 → 2026-05-15 · 2 obs
● 2026-05-15 02:34:34
●NSb.ns.selectel.ru2026-02-14 → 2026-05-15 · 2 obs
● 2026-05-15 02:34:34
●NSc.ns.selectel.ru2026-02-14 → 2026-05-15 · 2 obs
● 2026-05-15 02:34:34
●NSd.ns.selectel.ru2026-02-14 → 2026-05-15 · 2 obs
● 2026-05-15 02:34:34
●A185.137.234.462026-02-14 → 2026-05-15 · 2 obs
● 2026-05-15 02:34:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | f.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net, a.dns.ripn.net... | - |
| school-brain.ru | b.ns.selectel.ru, a.ns.selectel.ru, d.ns.selectel.ru, c.ns.selectel.ru | 8 records |
✅ Authoritative Response
Server:77.223.114.2
NS records: b.ns.selectel.ru, a.ns.selectel.ru, d.ns.selectel.ru, c.ns.selectel.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for school-brain.ru (unsigned zone)
⏱️ Timing
Total: 1284ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.137.234.46 |
| NS | 4 | a.ns.selectel.ru, d.ns.selectel.ru... |
| SOA | 1 | a.ns.selectel.ru support.selectel.ru |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (d.ns.selectel.ru, c.ns.selectel.ru, b.ns.selectel.ru...)
Analysis
IP Addresses
school-brain.ru resolves to a single IP address: 185.137.234.46.
Other host names including s-otvet.ru, alpha-otvet.ru, dl.s5g.ru, my-question.ru and mypersonnel.ru share IP numbers with school-brain.ru.
Name Servers
school-brain.ru is delegated to four name servers: a.ns.selectel.ru, b.ns.selectel.ru, c.ns.selectel.ru and d.ns.selectel.ru.
school-brain.ru at least partially shares name servers with other domains, including captainjackgames.ru, xn--80adf2bl0e.xn--p1ai, shianet.ru, calenda.ru and leto-evpatoriya.ru.
Hosts with two IP numbers:
Host a.ns.selectel.ru points to 2a00:ab00:800::2:53 and 188.68.203.1
Host b.ns.selectel.ru points to 2a00:ab00:801::2:53 and 77.223.114.2
Host c.ns.selectel.ru points to 2a00:ab00:802::2:53 and 188.68.203.3
Host d.ns.selectel.ru points to 2a00:ab00:803::2:53 and 77.223.114.4