usb4.ir - robtex.com
usb4.ir
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.selvapark.ir ⚠️ Not in zone NS records | ||||||
| NS | ns2.selvapark.ir ⚠️ Not in zone NS records | ||||||
ir
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.nic.ir ⭐ | ||||||
| NS | b.nic.ir | ||||||
| NS | c.nic.ir | ||||||
| NS | d.nic.ir | ||||||
| SOA | a.nic.irinfo@nic.ir serial=2607042330 | ||||||
Same first word
Similar names
DNS History
4 records (2 active, 2 former)
●NSns1.selvapark.ir2026-05-26 → 2026-07-04 · 2 obs
● 2026-07-04 20:34:04
●NSns2.selvapark.ir2026-05-26 → 2026-07-04 · 2 obs
● 2026-07-04 20:34:04
○A5.144.133.1462015-06-21 → 2017-05-17 · 4 obs
● 2017-05-17 22:45:32
○ 2026-05-26 16:52:52
○ 2026-07-04 20:34:04
○A5.61.30.2022026-07-02 → 2026-07-02 · 4 obs
● 2026-07-02 20:10:58
○ 2026-07-03 05:03:50
○ 2026-07-04 20:34:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ir | a.nic.ir, c.nic.ir, b.nic.ir, d.nic.ir | - |
| usb4.ir | ns2.selvapark.ir, ns1.selvapark.ir | 2 records |
✅ Authoritative Response
Server:5.61.30.202
NS records: ns2.selvapark.ir, ns1.selvapark.ir
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at ir: Error: DNS query timeout: 193.189.123.2 for DNSKEY ir
⏱️ Timing
Total: 3674ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 5.61.30.202 |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.selvapark.ir, ns2.selvapark.ir)
Analysis
Name Servers
Two name servers handle the delegation for usb4.ir: ns1.selvapark.ir and ns2.selvapark.ir.
usb4.ir uses the same name servers as several other domains — among them emachine.ir, ziaeian.ir, sadegh.ir and two more.
usb4.ir partially shares its NS delegation with several other domains, including halat.ir, webworld.ir, officetech.ir and two others.
The name servers 0919.5654120.mob, ns1.selva.ir, ns3.09116000061.ir and ns2.selva.ir are often found in use alongside these name servers.