alumni.su - robtex.com
alumni.su
| DNSSEC | ⚠️ Not signed | ||||||
| A | 5.188.131.10🇷🇺 SELECTEL-MSK5.188.130.0/23 Selectel Route Object | ||||||
| NS | ns1.rf.ru ⭐ | ||||||
| A | 80.249.147.221🇷🇺 SELECTEL80.249.144.0/22 -NET | ||||||
| PTR | razina.ru | ||||||
| NS | ns2.rf.ru | ||||||
| A | 80.249.147.221🇷🇺 SELECTEL80.249.144.0/22 -NET | ||||||
| PTR | razina.ru | ||||||
| TXT | rfru=1RHu5HFTnsoiz9fXiL7wNgrP9O0rkHVjD7gAy3vcLxjXq94TU6 | ||||||
| SOA | ns1.rf.ruhostmaster@alumni.su 2026-01-13 #6 | ||||||
su
| 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=650208459 | ||||||
Same first word
Similar names
DNS History
3 records (3 active, 0 former)
●A5.188.131.102026-02-22 → 2026-03-24 · 2 obs
● 2026-03-24 04:15:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| su | e.dns.ripn.net, b.dns.ripn.net, a.dns.ripn.net, d.dns.ripn.net... | - |
| alumni.su | ns1.rf.ru, ns2.rf.ru | - |
✅ Authoritative Response
Server:80.249.147.221
NS records: ns1.rf.ru, ns2.rf.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for alumni.su (unsigned zone)
⏱️ Timing
Total: 1713ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 5.188.131.10 |
| NS | 2 | ns1.rf.ru, ns2.rf.ru |
| TXT | 1 | rfru=1RHu5HFTnsoiz9fXiL7wNgrP9O0rkHVjD7g |
| SOA | 1 | ns1.rf.ru hostmaster.alumni.su |
Analysis
IP Addresses
alumni.su resolves to a single IP: 5.188.131.10.
Other host names, for instance trademobile.ru, ltlk.ru, auto-plastic.ru, xn--80ajprkbk.xn--p1ai and bio-modul.ru share IP numbers with alumni.su.
Name Servers
alumni.su has two name servers: ns1.rf.ru and ns2.rf.ru.
alumni.su shares the same name server setup as other domains, for example tan.su, art-fasad.ru, xn--80axeavg1g.xn--p1ai, chata.ru and maxfocus.ru.
alumni.su shares some name servers with other domains, for example theavia.ru, net-com.ru, pokupki.su, metacorp.ru and polimer.su.
These name servers are often used together with ns1.domeny-rf.ru, ns2.domeny-rf.ru and a.misconfigured.dns.server.invalid.
Host names with one IP number:
ns1.rf.ru points to: 80.249.147.221
ns2.rf.ru points to: 80.249.147.221
Names pointing to 80.249.147.221: ns1.rf.ru and ns2.rf.ru