stud-s.ru - robtex.com
stud-s.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 37.46.134.17🇷🇺 RU-JSCIOT37.46.134.0/23 | ||||||
| PTR | prorektor.ooo | ||||||
| NS | firstvds.ru ⭐ | ||||||
| A | 37.230.118.233🇷🇺 RU-JSCIOT37.230.118.0/23 | ||||||
| PTR | firstvds.ru | ||||||
| NS | ns1.firstvds.ru | ||||||
| A | 2a01:230:2:74::3🇷🇺 RU-JSCIOT2a01:230:2::/48 | ||||||
| A | 82.146.43.2🇷🇺 RU-JSCIOT82.146.40.0/21 | ||||||
| PTR | ns1.firstvds.ru | ||||||
| NS | ns2.firstvds.ru | ||||||
| A | 2a01:230:2:75::3🇷🇺 RU-JSCIOT2a01:230:2::/48 | ||||||
| A | 94.250.248.160🇷🇺 RU-JSCIOT94.250.248.0/23 | ||||||
| PTR | ns2.firstvds.ru | ||||||
| MX | mail.stud-s.ru ⭐ | ||||||
| A | 37.46.134.17🇷🇺 RU-JSCIOT37.46.134.0/23 | ||||||
| PTR | prorektor.ooo | ||||||
| TXT | v=spf1 ip4:37.46.134.17 a mx ~all | ||||||
| SOA | firstvds.ruroot@prorector.org 2019-02-06 #6 | ||||||
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=4068288 | ||||||
Subdomains
mail.stud-s.ru |
Same first word
stud-s.ru |
Similar names
DNS History
12 records (5 active, 7 former)
●NSfirstvds.ru2026-02-17 → 2026-03-27 · 3 obs
● 2026-02-17 23:23:02
● 2026-03-27 01:25:22
○NSns1.da4niku.ru2015-08-11 → 2016-11-20 · 4 obs
● 2016-11-20 03:25:48
○ 2017-01-05 00:38:08
○ 2026-03-27 01:25:22
●NSns1.firstvds.ru2026-02-17 → 2026-03-27 · 3 obs
● 2026-02-17 23:23:02
● 2026-03-27 01:25:22
○NSns1.stud-s.ru2017-01-05 → 2017-01-29 · 5 obs
● 2017-01-05 00:38:08
● 2017-01-29 00:30:56
○ 2026-02-17 23:23:02
○ 2026-03-27 01:25:22
○NSns2.da4niku.ru2015-08-11 → 2016-11-20 · 4 obs
● 2016-11-20 03:25:48
○ 2017-01-05 00:38:08
○ 2026-03-27 01:25:22
●NSns2.firstvds.ru2026-02-17 → 2026-03-27 · 3 obs
● 2026-02-17 23:23:02
● 2026-03-27 01:25:22
○NSns2.stud-s.ru2017-01-05 → 2017-01-29 · 5 obs
● 2017-01-05 00:38:08
● 2017-01-29 00:30:56
○ 2026-02-17 23:23:02
○ 2026-03-27 01:25:22
○NSserver.domain.com2017-01-05 → 2017-01-29 · 5 obs
● 2017-01-05 00:38:08
● 2017-01-29 00:30:56
○ 2026-02-17 23:23:02
○ 2026-03-27 01:25:22
●MXmail.stud-s.ru2017-01-05 → 2026-03-27 · 2 obs
● 2026-03-27 01:25:22
○A37.1.207.462015-08-11 → 2016-11-20 · 4 obs
● 2016-11-20 03:25:48
○ 2017-01-05 00:38:08
○ 2026-03-27 01:25:22
●A37.46.134.172026-02-17 → 2026-03-27 · 3 obs
● 2026-02-17 23:23:02
● 2026-03-27 01:25:22
○A5.45.84.242017-01-05 → 2017-01-29 · 5 obs
● 2017-01-05 00:38:08
● 2017-01-29 00:30:56
○ 2026-02-17 23:23:02
○ 2026-03-27 01:25:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | e.dns.ripn.net, f.dns.ripn.net, a.dns.ripn.net, b.dns.ripn.net... | - |
| stud-s.ru | ns1.firstvds.ru, ns2.firstvds.ru | 2 records |
✅ Authoritative Response
Server:94.250.248.160
NS records: ns1.firstvds.ru, ns2.firstvds.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for stud-s.ru (unsigned zone)
⏱️ Timing
Total: 788ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.46.134.17 |
| NS | 2 | ns1.firstvds.ru, ns2.firstvds.ru |
| MX | 2 | mail.stud-s.ru (pri: 10), mail.stud-s.ru (pri: 20) |
| TXT | 1 | v=spf1 ip4:37.46.134.17 a mx ~all |
| SOA | 1 | firstvds.ru root.prorector.org |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.firstvds.ru, ns1.firstvds.ru)
Analysis
Hierarchy
mail.stud-s.ru is a child of stud-s.ru.
IP Addresses
stud-s.ru resolves to one IP number: 37.46.134.17.
Other host names, for instance plumboom.ru, prorektor.ooo, mail.plumboom.ru, _dc-mx.35643e3f92e4.yaaspirant.ru and mail.disszakaz.ru share IP numbers with stud-s.ru.
Name Servers
stud-s.ru is delegated to three name servers: firstvds.ru, ns1.firstvds.ru and ns2.firstvds.ru.
stud-s.ru at least partially shares name servers with other domains, including murmansvet.ru, nasha-tema.ru, avtoshkola.ru, sleepbrand.ru and glavoffice.ru.
these name servers are commonly used alongside the name servers ns1.example.com, ns2.example.com, dommainer151025.ru, ns1.fasthostvds.com and ns2.fasthostvds.com.
Hosts with two IPs:
ns1.firstvds.ru points to 2a01:230:2:74::3 and 82.146.43.2.
ns2.firstvds.ru points to 2a01:230:2:75::3 and 94.250.248.160.
Host with one IP:
firstvds.ru points to 37.230.118.233.
Mail Servers
A single mail server handles stud-s.ru, mail.stud-s.ru.
Host name mail.stud-s.ru resolves to a single IP: 37.46.134.17.