cortexstudyapp.com - robtex.com
cortexstudyapp.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.143.233.238🇮🇷 ARVANCLOUD-CDN-IR185.143.233.0/24 | ||||||
| A | 185.143.234.238🇮🇷 ARVANCLOUD-CDN-IR185.143.234.0/24 | ||||||
| NS | d.ns.arvancdn.ir ⭐ | ||||||
| A | 185.143.232.253🇮🇷 ARVANCLOUD-CDN-IR185.143.232.0/24 | ||||||
| NS | z.ns.arvancdn.ir | ||||||
| SOA | d.ns.arvancdn.irhostmaster@arvancloud.ir serial=1787450720 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1789052838 | ||||||
Same first word
cortexstudyapp.com |
Previous names
Next names
DNS History
4 records (4 active, 0 former)
●NSd.ns.arvancdn.ir2026-09-01 → 2026-09-10 · 2 obs
● 2026-09-10 15:26:34
●NSz.ns.arvancdn.ir2026-09-01 → 2026-09-10 · 2 obs
● 2026-09-10 15:26:34
●A185.143.233.2382026-09-10 → 2026-09-10 · 2 obs
● 2026-09-10 15:26:34
●A185.143.234.2382026-09-10 → 2026-09-10 · 2 obs
● 2026-09-10 15:26:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| cortexstudyapp.com | z.ns.arvancdn.ir, d.ns.arvancdn.ir | - |
✅ Authoritative Response
Server:185.143.235.253
NS records: z.ns.arvancdn.ir, d.ns.arvancdn.ir
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cortexstudyapp.com (unsigned zone)
⏱️ Timing
Total: 2062ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 185.143.234.238, 185.143.233.238 |
| NS | 2 | d.ns.arvancdn.ir, z.ns.arvancdn.ir |
| SOA | 1 | d.ns.arvancdn.ir hostmaster.arvancloud.i |
Analysis
IP Addresses
cortexstudyapp.com points to the IP addresses 185.143.233.238 and 185.143.234.238
Two other host names, along with irandrupal.com, sherkat.org and karajbranding.ir, also share IP numbers with cortexstudyapp.com.
Name Servers
Two name servers handle the delegation for cortexstudyapp.com: d.ns.arvancdn.ir and z.ns.arvancdn.ir.
cortexstudyapp.com shares its NS records with other domains, for example botbard.ir, soravelo.ir, playline.ir and two others.
At least some of cortexstudyapp.com's name servers are shared with other domains, for example kolbemoo.ir, jonoubostan.ir, abzarmag.com and two more.
These name servers tend to co-occur with p.ns.arvancdn.ir, l.ns.arvancdn.ir, h.ns.arvancdn.ir and 7 other name servers in the same DNS delegations.
Host names that point to one IP address:
The hostname d.ns.arvancdn.ir resolves to 185.143.232.253.