usd.su - dns.ninja
usd.su
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=650209629 | ||||||
Subdomains
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSdns.fastdns24.com2026-05-01 → 2026-06-27 · 2 obs
● 2026-06-27 13:26:26
●NSdns2.fastdns24.org2026-05-01 → 2026-06-27 · 2 obs
● 2026-06-27 13:26:26
●NSdns3.fastdns24.eu2026-05-01 → 2026-06-27 · 2 obs
● 2026-06-27 13:26:26
●NSdns4.fastdns24.link2026-05-01 → 2026-06-27 · 2 obs
● 2026-06-27 13:26:26
●MXmail.usd.su2026-05-01 → 2026-06-27 · 2 obs
● 2026-06-27 13:26:26
●A205.196.83.1012026-05-01 → 2026-06-27 · 2 obs
● 2026-06-27 13:26:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| su | a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net... | - |
| usd.su | dns.fastdns24.com, dns4.fastdns24.link, dns3.fastdns24.eu, dns2.fastdns24.org | - |
✅ Authoritative Response
Server:176.31.3.154
NS records: dns.fastdns24.com, dns4.fastdns24.link, dns3.fastdns24.eu, dns2.fastdns24.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for usd.su (unsigned zone)
⏱️ Timing
Total: 1496ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 205.196.83.101 |
| NS | 4 | dns4.fastdns24.link, dns.fastdns24.com... |
| MX | 1 | mail.usd.su (pri: 10) |
| TXT | 1 | v=spf1 ip4:205.196.83.101 a mx ~all |
| SOA | 1 | dns.fastdns24.com support.fastvps.hostin |
Analysis
Hierarchy
www.usd.su and mail.usd.su each fall under usd.su as their parent domain.
IP Addresses
usd.su resolves to just one IP address, 205.196.83.101.
Further host names like www.usd.su and mail.usd.su overlap in IP numbers with usd.su.
Name Servers
The NS records for usd.su point to four name servers: dns.fastdns24.com, dns3.fastdns24.eu, dns4.fastdns24.link and dns2.fastdns24.org.
There is at least partial name server overlap between usd.su and other domains — chessmatenok.ru, im-konsalting.ru, alsproject.ru and two more among them.
These name servers regularly appear alongside ns1.fastvps.ru, dns2.dns-root.org, dns3.dns-root.pro and 3 other name servers in NS record sets.
All four hostnames — dns.fastdns24.com, dns3.fastdns24.eu, dns4.fastdns24.link and dns2.fastdns24.org — resolve to two IP numbers apiece: dns.fastdns24.com to 176.31.3.154 and 2001:41d0:1004:3000::2; dns3.fastdns24.eu to 136.243.223.232 and 2a01:4f8:212:c16::4; dns4.fastdns24.link to 95.216.25.5 and 2a01:4f9:2a:195a::4; dns2.fastdns24.org to 5.188.30.150 and 2a01:5a60:5::63.
Mail Servers
The sole mail server for usd.su is mail.usd.su.
mail.usd.su resolves to 205.196.83.101 and no other IP number.