studia51.ru - robtex.com
studia51.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 31.131.251.167🇷🇺 SELECTEL31.131.251.0/24 -NET | ||||||
| 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 2026-06-18 #4 | ||||||
ru
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.ripn.net ⭐ | ||||||
| NS | b.dns.ripn.net | ||||||
| NS | c.tld-servers.ru | ||||||
| NS | d.dns.ripn.net | ||||||
| NS | e.dns.ripn.net | ||||||
| NS | f.dns.ripn.net | ||||||
| SOA | a.dns.ripn.nethostmaster@ripn.net serial=4069931 | ||||||
Same first word
studia51.ru |
DNS History
6 records (5 active, 1 former)
●NSa.ns.selectel.ru2026-04-27 → 2026-08-10 · 2 obs
● 2026-08-10 02:31:28
●NSb.ns.selectel.ru2026-04-27 → 2026-08-10 · 2 obs
● 2026-08-10 02:31:28
●NSc.ns.selectel.ru2026-04-27 → 2026-08-10 · 2 obs
● 2026-08-10 02:31:28
●NSd.ns.selectel.ru2026-04-27 → 2026-08-10 · 2 obs
● 2026-08-10 02:31:28
○A170.168.15.1162026-04-27 → 2026-05-30 · 3 obs
● 2026-05-30 14:47:26
○ 2026-08-10 02:31:28
●A31.131.251.1672026-08-10 → 2026-08-10 · 2 obs
● 2026-08-10 02:31:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, d.dns.ripn.net, f.dns.ripn.net, b.dns.ripn.net... | - |
| studia51.ru | b.ns.selectel.ru, c.ns.selectel.ru, d.ns.selectel.ru, a.ns.selectel.ru | 8 records |
✅ Authoritative Response
Server:188.68.203.1
NS records: b.ns.selectel.ru, c.ns.selectel.ru, d.ns.selectel.ru, a.ns.selectel.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for studia51.ru (unsigned zone)
⏱️ Timing
Total: 672ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 31.131.251.167 |
| NS | 4 | a.ns.selectel.ru, b.ns.selectel.ru... |
| SOA | 1 | a.ns.selectel.ru support.selectel.ru |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (b.ns.selectel.ru, c.ns.selectel.ru, d.ns.selectel.ru...)
Analysis
IP Addresses
studia51.ru directs to one IP number, which is 31.131.251.167.
Among the host names that share IP numbers with studia51.ru are ns2.shkolya.ru, bagazhniki-evrodetal.ru, prof-svadba.ru and two others.
Name Servers
The domain studia51.ru is delegated to these four name servers: a.ns.selectel.ru, b.ns.selectel.ru, c.ns.selectel.ru and d.ns.selectel.ru.
At least some of studia51.ru's name servers are shared with other domains, for example wikiped.ru, xn--80ablbjf7ad4ahd4i.xn--p1ai, net-room.ru and two more.
Four hostnames, each resolving to a pair of IP addresses: a.ns.selectel.ru directs to 188.68.203.1 and 2a00:ab00:800::2:53; b.ns.selectel.ru directs to 77.223.114.2 and 2a00:ab00:801::2:53; c.ns.selectel.ru directs to 188.68.203.3 and 2a00:ab00:802::2:53; d.ns.selectel.ru directs to 77.223.114.4 and 2a00:ab00:803::2:53.