studwork.su - robtex.com
studwork.su
| DNSSEC | ⚠️ Not signed | ||||||
| A | 193.164.17.17🇷🇺 AT-AS193.164.16.0/22 | ||||||
| PTR | h8dns.net | ||||||
| NS | h8dns.net ⭐ | ||||||
| A | 193.164.17.17🇷🇺 AT-AS193.164.16.0/22 | ||||||
| PTR | h8dns.net | ||||||
| NS | ns1.h8dns.net | ||||||
| A | 193.164.17.17🇷🇺 AT-AS193.164.16.0/22 | ||||||
| PTR | h8dns.net | ||||||
| NS | ns2.h8dns.net | ||||||
| A | 193.164.17.15🇷🇺 AT-AS193.164.16.0/22 | ||||||
| PTR | ns2.h8dns.net | ||||||
| MX | mail.studwork.su(20) | ||||||
| A | 193.164.17.17🇷🇺 AT-AS193.164.16.0/22 | ||||||
| PTR | h8dns.net | ||||||
| TXT | v=spf1 ip4:193.164.17.17 ip4:193.164.17.17 a mx ~all | ||||||
| SOA | h8dns.netroot@h8dns.net 2024-02-17 #61 | ||||||
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=650210048 | ||||||
Subdomains
mail.studwork.su |
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●MXmail.studwork.su2026-05-13 → 2026-08-01 · 2 obs
● 2026-08-01 12:14:48
●A193.164.17.172026-05-13 → 2026-08-01 · 2 obs
● 2026-08-01 12:14:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| su | b.dns.ripn.net, d.dns.ripn.net, f.dns.ripn.net, e.dns.ripn.net... | 12 records |
| studwork.su | ns1.h8dns.net, ns2.h8dns.net | - |
✅ Authoritative Response
Server:193.164.17.15
NS records: ns1.h8dns.net, ns2.h8dns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for studwork.su (unsigned zone)
⏱️ Timing
Total: 1387ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 193.164.17.17 |
| NS | 2 | ns2.h8dns.net, ns1.h8dns.net |
| MX | 2 | mail.studwork.su (pri: 20), mail.studwork.su (pri: 10) |
| TXT | 1 | v=spf1 ip4:193.164.17.17 ip4:193.164.17. |
| SOA | 1 | h8dns.net root.h8dns.net |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (f.dns.ripn.net, e.dns.ripn.net, d.dns.ripn.net...)
Analysis
Hierarchy
mail.studwork.su is a subdomain of studwork.su.
IP Addresses
studwork.su points to a single IP number: 193.164.17.17.
Additional host names — marketberry.ru, news-vlad.ru, zovtaigi.ru and two others — share IP numbers with studwork.su.
Name Servers
studwork.su is delegated to three name servers: h8dns.net, ns1.h8dns.net and ns2.h8dns.net.
The name servers of studwork.su overlap at least partially with those of other domains — among them krimexpress.ru, women-theme.ru, gbi-odintsovo.ru and two more.
These name servers commonly co-occur with the name servers ns1.h7dns.online, ns2.h7dns.online, ns1.h6dns.online and ns2.h6dns.online.
h8dns.net, ns1.h8dns.net and ns2.h8dns.net each resolve to one IP address: h8dns.net and ns1.h8dns.net both point to 193.164.17.17, while ns2.h8dns.net points to 193.164.17.15.
h8dns.net and ns1.h8dns.net are host names that each point to 193.164.17.17 IP addresses.
Mail Servers
studwork.su has one mail server: mail.studwork.su.
mail.studwork.su resolves to a single IP number: 193.164.17.17.