optstudy.com - robtex.com
optstudy.com
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=1788407765 | ||||||
Same first word
optstudy.com |
Similar names
Previous names
optstores.com |
optstrat.com |
optstreak.com |
optstream.com |
optstreams.com |
optstring.com |
optstroi.com |
optstrong.com |
optstroy.com |
optstruct.com |
optstu.com |
optstudent.com |
optstudents.com |
optstudio.com |
optstudios.com |
Next names
DNS History
10 records (6 active, 4 former)
○NSns1.parkingcrew.net2017-11-28 → 2017-11-28 · 3 obs
○ 2026-09-03 02:18:56
○ 2026-09-03 04:08:24
○NSns2.parkingcrew.net2017-11-28 → 2017-11-28 · 3 obs
○ 2026-09-03 02:18:56
○ 2026-09-03 04:08:24
●NSns33.domaincontrol.com2026-09-03 → 2026-09-03 · 3 obs
● 2026-09-03 02:18:56
● 2026-09-03 04:08:24
●NSns34.domaincontrol.com2026-09-03 → 2026-09-03 · 3 obs
● 2026-09-03 02:18:56
● 2026-09-03 04:08:24
○MXmail.h-email.net2017-11-28 → 2017-11-28 · 3 obs
○ 2026-09-03 02:18:56
○ 2026-09-03 04:08:24
●MXmx1.titan.email2026-09-03 → 2026-09-03 · 3 obs
● 2026-09-03 02:18:56
● 2026-09-03 04:08:24
●MXmx2.titan.email2026-09-03 → 2026-09-03 · 3 obs
● 2026-09-03 02:18:56
● 2026-09-03 04:08:24
●A15.197.148.332026-09-03 → 2026-09-03 · 3 obs
● 2026-09-03 02:18:56
● 2026-09-03 04:08:24
○A185.53.178.62017-11-28 → 2017-11-28 · 3 obs
○ 2026-09-03 02:18:56
○ 2026-09-03 04:08:24
●A3.33.130.1902026-09-03 → 2026-09-03 · 3 obs
● 2026-09-03 02:18:56
● 2026-09-03 04:08:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, b.gtld-servers.net, m.gtld-servers.net, f.gtld-servers.net... | - |
| optstudy.com | ns33.domaincontrol.com, ns34.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.74.17
NS records: ns33.domaincontrol.com, ns34.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for optstudy.com (unsigned zone)
⏱️ Timing
Total: 192ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 3.33.130.190, 15.197.148.33 |
| NS | 2 | ns34.domaincontrol.com, ns33.domaincontrol.com |
| MX | 2 | mx1.titan.email (pri: 10), mx2.titan.email (pri: 20) |
| TXT | 1 | v=spf1 include:spf.titan.email ~all |
| SOA | 1 | ns33.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns33.domaincontrol.com, ns33.domaincontrol.com, ns34.domaincontrol.com...)
Analysis
IP Addresses
optstudy.com directs to two IP numbers, 3.33.130.190 and 15.197.148.33
communicareinsurance.com, thepeopleunited.net, divorcerestoration.com plus two other host names have IP numbers in common with optstudy.com.
Name Servers
optstudy.com has two authoritative name servers — ns33.domaincontrol.com and ns34.domaincontrol.com.
The name server configuration of optstudy.com is shared with other domains, for instance theconsigliera.vip, futhowerri.com, bestgolfinsert.com and two others.
Both ns33.domaincontrol.com and ns34.domaincontrol.com have two IP addresses each. ns33.domaincontrol.com resolves to 97.74.106.17 and 2603:5:21a1::11; ns34.domaincontrol.com resolves to 173.201.74.17 and 2603:5:22a1::11.
Mail Servers
optstudy.com uses two mail servers, mx1.titan.email and mx2.titan.email.
The mail server setup of optstudy.com matches that of other domains such as academiamahalo.com.br, encantodoslencois.com.br, carpishop.com and two others.
The mail servers of optstudy.com are at least partially shared with other domains, including girardiadvogados.com.
Both mx1.titan.email and mx2.titan.email point to the same three IP addresses: 52.22.161.218, 100.52.2.139 and 100.57.60.89.
The host names mx1.titan.email and mx2.titan.email both resolve to 52.22.161.218 IP addresses.
The host names mx1.titan.email and mx2.titan.email both resolve to 100.52.2.139 IP addresses.
The host names mx1.titan.email and mx2.titan.email both resolve to 100.57.60.89 IP addresses.