rus.study - dns.ninja
rus.study
| DNSSEC | ⚠️ Not signed | ||||||
| A | 146.120.224.32🇷🇺 PROSTOY-RU-AS146.120.224.0/24 | ||||||
| PTR | client02.prostoy.ru | ||||||
| NS | ns1.prostoy.ru ⭐ | ||||||
| A | 212.24.35.171🇷🇺 AS-REGRU212.24.35.0/24 SDC network | ||||||
| NS | ns1.prostoy.com | ||||||
| A | 146.120.224.244🇷🇺 PROSTOY-RU-AS146.120.224.0/24 | ||||||
| PTR | ns1.prostoy.com | ||||||
| MX | mx1.1t.ru ⭐ | ||||||
| A | 146.120.224.156🇷🇺 PROSTOY-RU-AS146.120.224.0/24 | ||||||
| PTR | mx1.1t.ru | ||||||
| MX | mx2.1t.ru(20) | ||||||
| A | 212.24.35.172🇷🇺 AS-REGRU212.24.35.0/24 SDC network | ||||||
| PTR | adsl-node-212.24.35.172.caravan.ru | ||||||
| TXT | v=spf1 include:spf.unisender.com ~all | ||||||
| SOA | ns1.prostoy.rumail@prostoy.ru 2025-06-18 #2 | ||||||
study
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.study ⭐ | ||||||
| NS | b.nic.study | ||||||
| NS | c.nic.study | ||||||
| NS | x.nic.study | ||||||
| NS | y.nic.study | ||||||
| NS | z.nic.study | ||||||
| SOA | a.nic.studyadmin@tldns.godaddy serial=1783459417 | ||||||
Same first word
Similar names
DNS History
8 records (5 active, 3 former)
○NSns1.101domain.com2018-06-18 → 2018-06-18 · 3 obs
○ 2026-02-17 02:58:22
○ 2026-07-07 22:28:54
●NSns1.prostoy.com2026-02-17 → 2026-07-07 · 3 obs
● 2026-02-17 02:58:22
● 2026-07-07 22:28:54
●NSns1.prostoy.ru2026-02-17 → 2026-07-07 · 3 obs
● 2026-02-17 02:58:22
● 2026-07-07 22:28:54
○NSns2.101domain.com2018-06-18 → 2018-06-18 · 3 obs
○ 2026-02-17 02:58:22
○ 2026-07-07 22:28:54
○NSns5.101domain.com2018-06-18 → 2018-06-18 · 3 obs
○ 2026-02-17 02:58:22
○ 2026-07-07 22:28:54
●A146.120.224.322018-06-18 → 2026-07-07 · 2 obs
● 2026-07-07 22:28:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| study | a.nic.study, b.nic.study, c.nic.study, x.nic.study... | 12 records |
| rus.study | ns1.prostoy.ru, ns1.prostoy.com | - |
✅ Authoritative Response
Server:146.120.224.244
NS records: ns1.prostoy.ru, ns1.prostoy.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rus.study (unsigned zone)
⏱️ Timing
Total: 1037ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 146.120.224.32 |
| NS | 2 | ns1.prostoy.com, ns1.prostoy.ru |
| MX | 2 | mx1.1t.ru (pri: 10), mx2.1t.ru (pri: 20) |
| TXT | 1 | v=spf1 include:spf.unisender.com ~all |
| SOA | 1 | ns1.prostoy.ru mail.prostoy.ru |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (a.nic.study, b.nic.study, c.nic.study...)
Analysis
IP Addresses
rus.study has exactly one IP address — 146.120.224.32.
www.xn----7sbtbc6b.xn--p1ai, analytics.prostoy.ru, za-zoj.ru plus two other host names have IP numbers in common with rus.study.
Name Servers
rus.study uses two name servers for its delegation: ns1.prostoy.com and ns1.prostoy.ru.
The name server configuration of rus.study is shared with other domains, for instance prostoy.im, almira.cc, b2g.info and two others.
rus.study has at least partial name server overlap with other domains, such as fin-consultant.com, effecton.net, mediamg.ru and two others.
It is common to find these name servers paired with the name servers a.misconfigured.dns.server.invalid.
ns1.prostoy.com directs to 146.120.224.244 and ns1.prostoy.ru directs to 212.24.35.171; each host name points to exactly one IP number.
Mail Servers
rus.study uses two mail servers, mx1.1t.ru and mx2.1t.ru.
The mail server setup of rus.study matches that of other domains such as rus.life, 1t.biz, cgset.ru and two others.
mx1.1t.ru directs to 146.120.224.156 and mx2.1t.ru directs to 212.24.35.172; each host name points to exactly one IP number.