usd.su - robtex.com
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=650209048 | ||||||
Subdomains
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSdns.fastdns24.com2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 12:31:28
●NSdns2.fastdns24.org2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 12:31:28
●NSdns3.fastdns24.eu2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 12:31:28
●NSdns4.fastdns24.link2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 12:31:28
●MXmail.usd.su2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 12:31:28
●A205.196.83.1012026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 12:31:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| su | a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net... | 10 records |
| usd.su | dns4.fastdns24.link, dns.fastdns24.com, dns2.fastdns24.org, dns3.fastdns24.eu | - |
✅ Authoritative Response
Server:136.243.223.232
NS records: dns4.fastdns24.link, dns.fastdns24.com, dns2.fastdns24.org, dns3.fastdns24.eu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for usd.su (unsigned zone)
⏱️ Timing
Total: 1171ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 205.196.83.101 |
| NS | 4 | dns2.fastdns24.org, dns3.fastdns24.eu... |
| 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 |
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net...)
Analysis
Hierarchy
usd.su is the parent of www.usd.su and mail.usd.su.
IP Addresses
usd.su resolves to a single IP: 205.196.83.101.
Other host names, for instance, www.usd.su and mail.usd.su share IP numbers with usd.su.
Name Servers
usd.su is delegated to four name servers: dns.fastdns24.com, dns3.fastdns24.eu, dns4.fastdns24.link and dns2.fastdns24.org.
usd.su shares some name servers with other domains, for example chessmatenok.ru, im-konsalting.ru, alsproject.ru, ligasveta96.ru and 105-5.ru.
These name servers are commonly used with the name servers ns3.fastvps.ru, ns4.fastvps.ru, ns1.fastvps.ru, dns2.dns-root.org, dns3.dns-root.pro and dns1.dns-root.ru.
Host names with two IP numbers
Two IPs per host:
dns.fastdns24.com points to 2001:41d0:1004:3000::2 and 176.31.3.154
dns3.fastdns24.eu points to 2a01:4f8:212:c16::4 and 136.243.223.232
dns4.fastdns24.link points to 2a01:4f9:2a:195a::4 and 95.216.25.5
dns2.fastdns24.org points to 2a01:5a60:5::63 and 5.188.30.150
Mail Servers
usd.su is handled by a single mail server, mail.usd.su.
Host name mail.usd.su points to IP 205.196.83.101.