student.su - dns.ninja
student.su
su
| 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=650210130 | ||||||
⚠️ On DNS blocklist: spam-tlds
Subdomains
Same first word
Similar names
studnet.no |
studnet.com.co |
tudents.com |
studnet.in |
studnet.net.ua |
stunted.com |
destunt.be |
tusdnet.com |
studnet.net |
netstud.io |
stunted.net |
dustnet.com |
studnet.de |
tusdnet.org |
netdust.be |
stunted.me |
studnet.ru |
DNS History
6 records (6 active, 0 former)
●NSdns1.yandex.net2026-02-19 → 2026-08-08 · 3 obs
● 2026-02-19 07:16:24
● 2026-08-08 06:56:42
●NSdns2.yandex.net2026-02-19 → 2026-08-08 · 3 obs
● 2026-02-19 07:16:24
● 2026-08-08 06:56:42
●MXmx.yandex.ru2015-09-03 → 2026-08-08 · 4 obs
● 2017-09-25 01:32:40
○ 2026-07-21 16:38:22
● 2026-08-08 06:56:42
●A193.138.233.462015-09-03 → 2026-08-08 · 5 obs
● 2026-05-16 05:09:54
○ 2026-06-15 06:03:52
● 2026-06-15 06:40:44
● 2026-08-08 06:56:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| su | c.tld-servers.ru, b.dns.ripn.net, e.dns.ripn.net, f.dns.ripn.net... | - |
| student.su | dns1.yandex.ru, dns2.yandex.ru | - |
✅ Authoritative Response
Server:93.158.134.213
NS records: dns1.yandex.ru, dns2.yandex.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for student.su (unsigned zone)
⏱️ Timing
Total: 1023ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 193.138.233.46 |
| MX | 1 | mx.yandex.ru (pri: 10) |
| TXT | 1 | v=spf1 redirect=_spf.yandex.ru |
| SOA | 1 | dns1.yandex.net dns-hosting.yandex.ru |
Analysis
Hierarchy
student.su serves as the parent of mail.student.su and www.student.su.
IP Addresses
student.su has exactly one IP address — 193.138.233.46.
www.email.su, www.xaker.ru, nextmail.ru plus two other host names have IP numbers in common with student.su.
Name Servers
Four name servers handle the delegation for student.su: dns1.yandex.net, dns2.yandex.net, dns1.yandex.ru and dns2.yandex.ru.
There is at least partial name server overlap between student.su and other domains — medasaks.ru, expertchina.ru, bezsms.ru and two more among them.
dns1.yandex.net, dns2.yandex.net, dns1.yandex.ru and dns2.yandex.ru each have two IP addresses. Specifically, dns1.yandex.net resolves to 213.180.204.213 and 2a02:6b8::213, dns2.yandex.net resolves to 93.158.134.213 and 2a02:6b8:0:1::213, dns1.yandex.ru resolves to 213.180.204.213 and 2a02:6b8::213 and dns2.yandex.ru resolves to 93.158.134.213 and 2a02:6b8:0:1::213.
Host names pointing to 2a02:6b8::213 IP addresses: dns1.yandex.net and dns1.yandex.ru.
Host names pointing to 213.180.204.213 IP addresses: dns1.yandex.net and dns1.yandex.ru.
Host names pointing to 2a02:6b8:0:1::213 IP addresses: dns2.yandex.net and dns2.yandex.ru.
Host names pointing to 93.158.134.213 IP addresses: dns2.yandex.net and dns2.yandex.ru.
Mail Servers
student.su uses one mail server — mx.yandex.ru.
The mail server setup of student.su matches that of other domains such as designer74.ru, 100fguz.ru, yantona.ru and two others.
student.su and a number of other domains — altr.ru, galtovka.su, viskov.me and 7sk.kz among them — share at least some of the same mail servers.
These mail servers tend to be used in conjunction with the mail servers mx.yandex.net.
mx.yandex.ru carries two IP numbers: 77.88.21.249 and 2a02:6b8::311.