cuso-edu.ru - robtex.com
cuso-edu.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 195.62.70.8🇷🇺 VARNOFF-AS195.62.70.0/23 VARNOFF NET | ||||||
| PTR | isp5.varnoff.net | ||||||
| NS | isp5.varnoff.net ⭐ | ||||||
| NS | ns15.varnoff.net | ||||||
| A | 195.62.70.151🇷🇺 VARNOFF-AS195.62.70.0/23 VARNOFF NET | ||||||
| PTR | ns15.varnoff.net | ||||||
| NS | ns25.varnoff.net | ||||||
| A | 195.62.71.151🇷🇺 VARNOFF-AS195.62.70.0/23 VARNOFF NET | ||||||
| PTR | ns25.varnoff.net | ||||||
| MX | mail.cuso-edu.ru(20) | ||||||
| A | 195.62.70.8🇷🇺 VARNOFF-AS195.62.70.0/23 VARNOFF NET | ||||||
| PTR | isp5.varnoff.net | ||||||
| TXT | v=spf1 ip4:195.62.70.8 a mx ~all | ||||||
| SOA | isp5.varnoff.netroot@varnoff.net 2025-03-24 #22 | ||||||
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=4068482 | ||||||
rank #8280 in the tld
📈 Tranco rank: #470,878
Subdomains
mail.cuso-edu.ru |
Same first word
cuso-edu.ru |
DNS History
9 records (5 active, 4 former)
●NSisp5.varnoff.net2026-02-24 → 2026-04-12 · 3 obs
● 2026-02-24 08:15:14
● 2026-04-12 03:11:44
○NSns1.cuso-edu.ru2015-06-03 → 2017-06-09 · 6 obs
● 2016-01-17 05:06:02
○ 2016-04-14 21:12:52
● 2017-06-09 17:31:36
○ 2026-02-24 08:15:14
○ 2026-04-12 03:11:44
○NSns1.varnoff.net2016-04-14 → 2017-06-09 · 5 obs
● 2016-04-14 21:12:52
● 2017-06-09 17:31:36
○ 2026-02-24 08:15:14
○ 2026-04-12 03:11:44
●NSns15.varnoff.net2026-02-24 → 2026-04-12 · 3 obs
● 2026-02-24 08:15:14
● 2026-04-12 03:11:44
○NSns2.varnoff.net2016-04-14 → 2017-06-09 · 5 obs
● 2016-04-14 21:12:52
● 2017-06-09 17:31:36
○ 2026-02-24 08:15:14
○ 2026-04-12 03:11:44
●NSns25.varnoff.net2026-02-24 → 2026-04-12 · 3 obs
● 2026-02-24 08:15:14
● 2026-04-12 03:11:44
●MXmail.cuso-edu.ru2015-06-03 → 2026-04-12 · 2 obs
● 2026-04-12 03:11:44
○A195.62.70.262015-06-03 → 2017-06-09 · 4 obs
● 2017-06-09 17:31:36
○ 2026-02-24 08:15:14
○ 2026-04-12 03:11:44
●A195.62.70.82026-02-24 → 2026-04-12 · 3 obs
● 2026-02-24 08:15:14
● 2026-04-12 03:11:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net... | - |
| cuso-edu.ru | ns25.varnoff.net, ns15.varnoff.net | - |
✅ Authoritative Response
Server:195.62.71.151
NS records: ns25.varnoff.net, ns15.varnoff.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cuso-edu.ru (unsigned zone)
⏱️ Timing
Total: 1032ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 195.62.70.8 |
| NS | 2 | ns15.varnoff.net, ns25.varnoff.net |
| MX | 2 | mail.cuso-edu.ru (pri: 10), mail.cuso-edu.ru (pri: 20) |
| TXT | 1 | v=spf1 ip4:195.62.70.8 a mx ~all |
| SOA | 1 | isp5.varnoff.net root.varnoff.net |
Analysis
Hierarchy
The parent of mail.cuso-edu.ru is cuso-edu.ru.
IP Addresses
cuso-edu.ru points to a single IP: 195.62.70.8.
Other host names, for instance samara-online.ru, mail.samara-online.ru and mail.cuso-edu.ru share IP numbers with cuso-edu.ru.
Name Servers
cuso-edu.ru is delegated to three name servers: isp5.varnoff.net, ns15.varnoff.net and ns25.varnoff.net.
cuso-edu.ru partially shares name servers with other domains; examples include bystroservis.ru, vsem-ochki.ru, vipnumbers.ru, xn--80adfq1agmdjksa0l.xn--p1ai and zdsamara.ru.
These name servers are commonly used with server12.varnoff.net, server10.varnoff.net, server7.varnoff.net, ns1.varnoff.net, ns2.varnoff.net and server2.varnoff.net.
Host names with one IP number: The host name ns15.varnoff.net points to 195.62.70.151 and the host name ns25.varnoff.net points to 195.62.71.151.
Mail Servers
cuso-edu.ru is handled by a single mail server, mail.cuso-edu.ru.
mail.cuso-edu.ru points to a single IP: 195.62.70.8.