study-class.ru - robtex.com
study-class.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 194.87.238.193🇨🇿 MTW-AS | ||||||
| NS | ns1.study-class.ru ⚠️ Not in zone NS records | ||||||
| A | 194.87.238.193🇨🇿 MTW-AS | ||||||
| NS | ns2.study-class.ru ⚠️ Not in zone NS records | ||||||
| A | 194.87.238.193🇨🇿 MTW-AS | ||||||
ru
| DNSSEC | ⚠️ Not signed | ||||||
| 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=4067830 | ||||||
Same first word
study-class.ru |
DNS History
8 records (3 active, 5 former)
○NSkeanu.ns.cloudflare.com2026-02-21 → 2026-02-21 · 2 obs
○ 2026-02-21 12:56:34
○ 2026-02-21 12:56:36
○ 2026-02-21 12:56:36
●NSns1.study-class.ru2026-02-21 → 2026-02-21 · 2 obs
● 2026-02-21 12:56:34
● 2026-02-21 12:56:36
● 2026-02-21 12:56:36
●NSns2.study-class.ru2026-02-21 → 2026-02-21 · 2 obs
● 2026-02-21 12:56:34
● 2026-02-21 12:56:36
● 2026-02-21 12:56:36
○NStiffany.ns.cloudflare.com2026-02-21 → 2026-02-21 · 2 obs
○ 2026-02-21 12:56:34
○ 2026-02-21 12:56:36
○ 2026-02-21 12:56:36
○A172.64.80.12026-02-21 → 2026-02-21 · 2 obs
○ 2026-02-21 12:56:34
○ 2026-02-21 12:56:36
○ 2026-02-21 12:56:36
●A194.87.238.1932026-02-21 → 2026-02-21 · 2 obs
● 2026-02-21 12:56:34
● 2026-02-21 12:56:36
● 2026-02-21 12:56:36
○A2606:4700:3035::ac43:c3a32026-02-21 → 2026-02-21 · 2 obs
○ 2026-02-21 12:56:34
○ 2026-02-21 12:56:36
○ 2026-02-21 12:56:36
○A2606:4700:3036::6815:cc52026-02-21 → 2026-02-21 · 2 obs
○ 2026-02-21 12:56:34
○ 2026-02-21 12:56:36
○ 2026-02-21 12:56:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | d.dns.ripn.net, e.dns.ripn.net, b.dns.ripn.net, a.dns.ripn.net... | - |
| study-class.ru | ns1.study-class.ru, ns2.study-class.ru | 2 records |
✅ Authoritative Response
Server: 194.87.238.193
NS records: ns1.study-class.ru, ns2.study-class.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for study-class.ru (unsigned zone)
⏱️ Timing
Total: 2754ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 194.87.238.193 |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (ns2.study-class.ru, ns1.study-class.ru)
AI analysis
study-class.ru points to a single IP number: 194.87.238.193.
Other host names, for instance ns1.telefoninfo.ru, telefoninfo.ru and ns2.telefoninfo.ru share IP numbers with study-class.ru.
study-class.ru is delegated to two name servers: ns1.study-class.ru and ns2.study-class.ru.
Host names with a single IP number:
ns1.study-class.ru points to 194.87.238.193.
ns2.study-class.ru points to 194.87.238.193.
Host names pointing to 194.87.238.193: ns1.study-class.ru and ns2.study-class.ru.