studyuniversal.com - dns.ninja
studyuniversal.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 195.28.168.57🇮🇷 Netafraz195.28.168.0/24 | ||||||
| PTR | pmx.srv146.irwebspace.com | ||||||
| NS | irns1.netafraz.com ⭐ | ||||||
| A | 185.78.22.2🇮🇷 Tebyan185.78.22.0/24 | ||||||
| PTR | irns1.netafraz.com | ||||||
| NS | irns2.netafraz.com | ||||||
| A | 185.78.22.2🇮🇷 Tebyan185.78.22.0/24 | ||||||
| PTR | irns1.netafraz.com | ||||||
| MX | mail.studyuniversal.com ⭐ | ||||||
| A | 195.28.168.57🇮🇷 Netafraz195.28.168.0/24 | ||||||
| PTR | pmx.srv146.irwebspace.com | ||||||
| TXT | v=spf1 a mx ip4:195.28.168.0/24 include:_auxspf.axspace.com ~all | ||||||
| SOA | irns1.netafraz.comhostmaster@studyuniversal.com 2026-07-29 #4 | ||||||
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=1786142259 | ||||||
Previously MX for
studyuniversal.com |
Subdomains
Same first word
studyuniversal.com |
Similar names
DNS History
10 records (4 active, 6 former)
●NSirns1.netafraz.com2026-03-20 → 2026-08-07 · 3 obs
● 2026-03-20 08:27:26
● 2026-08-07 22:46:22
●NSirns2.netafraz.com2026-03-20 → 2026-08-07 · 3 obs
● 2026-03-20 08:27:26
● 2026-08-07 22:46:22
○NSns.studyuniversal.com2015-08-30 → 2016-12-30 · 4 obs
● 2016-12-30 03:45:28
○ 2017-10-25 10:37:40
○ 2026-08-07 22:46:22
○NSns10.studyuniversal.com2017-10-25 → 2017-10-25 · 4 obs
● 2017-10-25 10:37:40
○ 2026-03-20 08:27:26
○ 2026-08-07 22:46:22
○NSns11.studyuniversal.com2017-10-25 → 2017-10-25 · 4 obs
● 2017-10-25 10:37:40
○ 2026-03-20 08:27:26
○ 2026-08-07 22:46:22
●MXmail.studyuniversal.com2015-08-30 → 2026-08-07 · 5 obs
● 2016-12-30 03:45:28
○ 2017-10-25 10:37:40
● 2026-03-20 08:27:26
● 2026-08-07 22:46:22
○MXstudyuniversal.com2017-10-25 → 2017-10-25 · 4 obs
● 2017-10-25 10:37:40
○ 2026-03-20 08:27:26
○ 2026-08-07 22:46:22
●A195.28.168.572026-03-20 → 2026-08-07 · 3 obs
● 2026-03-20 08:27:26
● 2026-08-07 22:46:22
○A78.46.29.992017-10-25 → 2017-10-25 · 4 obs
● 2017-10-25 10:37:40
○ 2026-03-20 08:27:26
○ 2026-08-07 22:46:22
○A91.98.99.1582015-08-30 → 2016-12-30 · 4 obs
● 2016-12-30 03:45:28
○ 2017-10-25 10:37:40
○ 2026-08-07 22:46:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, k.gtld-servers.net, a.gtld-servers.net, e.gtld-servers.net... | - |
| studyuniversal.com | irns1.netafraz.com, irns2.netafraz.com | 2 records |
✅ Authoritative Response
Server:185.78.22.2
NS records: irns1.netafraz.com, irns2.netafraz.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for studyuniversal.com (unsigned zone)
⏱️ Timing
Total: 1851ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 195.28.168.57 |
| NS | 2 | irns2.netafraz.com, irns1.netafraz.com |
| MX | 1 | mail.studyuniversal.com (pri: 10) |
| TXT | 1 | v=spf1 a mx ip4:195.28.168.0/24 include: |
| SOA | 1 | irns1.netafraz.com hostmaster.studyunive |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (irns1.netafraz.com, irns2.netafraz.com)
Analysis
Hierarchy
mail.studyuniversal.com, ns11.studyuniversal.com, www.studyuniversal.com and ns.studyuniversal.com are all subdomains of studyuniversal.com.
IP Addresses
studyuniversal.com resolves to one IP address: 195.28.168.57.
arianaweb.com, www.mobinbattery.ir, mail.farafalat.com and two other host names share IP numbers with studyuniversal.com.
Name Servers
studyuniversal.com is served by two delegated name servers, irns1.netafraz.com and irns2.netafraz.com.
studyuniversal.com uses the same name servers as several other domains — among them eitbazar.com, trp-eng.com, iran-academy.ir and two more.
The name servers of studyuniversal.com overlap at least partially with those of other domains — among them ehtesab.ir, samcomarket.ir, brandyoutab.com and two more.
These name servers commonly co-occur with the name servers ns3.netafraz.com, ns2.netafraz.com, ns.netafraz.com and irns3.netafraz.com.
irns1.netafraz.com and irns2.netafraz.com share one IP address between them — 185.78.22.2.
These two host names — irns1.netafraz.com and irns2.netafraz.com — each point to 185.78.22.2 IP addresses.
Mail Servers
Mail for studyuniversal.com is handled by a single mail server, mail.studyuniversal.com.
There is one IP number for mail.studyuniversal.com: 195.28.168.57.