optschool.com - robtex.com
optschool.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.133.214.192🇮🇳 EWEBGURU-AS103.133.214.0/24 Ewebguru | ||||||
| PTR | meghna.ewebguru.net | ||||||
| NS | ns1-meghna.ewebguru.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 103.133.214.192🇮🇳 EWEBGURU-AS103.133.214.0/24 Ewebguru | ||||||
| PTR | meghna.ewebguru.net | ||||||
| NS | ns1-meghna.serverforhost.com ⚠️ Not in zone NS records | ||||||
| A | 103.133.214.192🇮🇳 EWEBGURU-AS103.133.214.0/24 Ewebguru | ||||||
| PTR | meghna.ewebguru.net | ||||||
| NS | ns2-meghna.ewebguru.com ⚠️ Not in parent delegation | ||||||
| A | 103.133.214.192🇮🇳 EWEBGURU-AS103.133.214.0/24 Ewebguru | ||||||
| PTR | meghna.ewebguru.net | ||||||
| NS | ns2-meghna.serverforhost.com ⚠️ Not in zone NS records | ||||||
| A | 103.133.214.192🇮🇳 EWEBGURU-AS103.133.214.0/24 Ewebguru | ||||||
| PTR | meghna.ewebguru.net | ||||||
| MX | mail.optschool.com ⭐ | ||||||
| A | 103.133.214.192🇮🇳 EWEBGURU-AS103.133.214.0/24 Ewebguru | ||||||
| PTR | meghna.ewebguru.net | ||||||
| TXT | v=spf1 a mx ip4:103.133.214.192 ~all | ||||||
| SOA | ns1-meghna.ewebguru.comhostmaster@optschool.com 2025-08-15 #1 | ||||||
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=1778616231 | ||||||
Subdomains
mail.optschool.com |
Same first word
optschool.com |
Similar names
topschool.es |
topschool.hu |
topschool.us |
topschool.com.cn |
topschool.com.tw |
topschool.biz |
topschool.co.uk |
topschool.tw |
photocols.com |
topschool.com |
schooltop.ru |
schooltop.com |
topschool.ru |
topschool.info |
topschool.ir |
DNS History
13 records (6 active, 7 former)
○NSdns10.hichina.com2015-10-26 → 2016-04-10 · 4 obs
● 2016-04-10 08:08:08
○ 2016-09-21 22:40:52
○ 2026-05-12 20:16:24
○NSdns9.hichina.com2015-10-26 → 2016-04-10 · 4 obs
● 2016-04-10 08:08:08
○ 2016-09-21 22:40:52
○ 2026-05-12 20:16:24
●NSns1-meghna.ewebguru.com2026-04-11 → 2026-05-12 · 3 obs
● 2026-04-11 01:25:12
● 2026-05-12 20:16:24
●NSns1-meghna.serverforhost.com2026-04-11 → 2026-05-12 · 3 obs
● 2026-04-11 01:25:12
● 2026-05-12 20:16:24
●NSns2-meghna.ewebguru.com2026-04-11 → 2026-05-12 · 3 obs
● 2026-04-11 01:25:12
● 2026-05-12 20:16:24
●NSns2-meghna.serverforhost.com2026-04-11 → 2026-05-12 · 3 obs
● 2026-04-11 01:25:12
● 2026-05-12 20:16:24
○NSns41.domaincontrol.com2017-12-24 → 2017-12-24 · 4 obs
● 2017-12-24 17:40:58
○ 2026-04-11 01:25:12
○ 2026-05-12 20:16:24
○NSns42.domaincontrol.com2017-12-24 → 2017-12-24 · 4 obs
● 2017-12-24 17:40:58
○ 2026-04-11 01:25:12
○ 2026-05-12 20:16:24
●MXmail.optschool.com2026-04-11 → 2026-05-12 · 3 obs
● 2026-04-11 01:25:12
● 2026-05-12 20:16:24
○MXmailstore1.secureserver.net2017-12-24 → 2017-12-24 · 3 obs
○ 2026-04-11 01:25:12
○ 2026-05-12 20:16:24
○MXsmtp.secureserver.net2017-12-24 → 2017-12-24 · 3 obs
○ 2026-04-11 01:25:12
○ 2026-05-12 20:16:24
●A103.133.214.1922026-04-11 → 2026-05-12 · 3 obs
● 2026-04-11 01:25:12
● 2026-05-12 20:16:24
○A188.166.229.1272017-12-24 → 2017-12-24 · 3 obs
○ 2026-04-11 01:25:12
○ 2026-05-12 20:16:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, i.gtld-servers.net, c.gtld-servers.net, m.gtld-servers.net... | - |
| optschool.com | ns1-meghna.serverforhost.com, ns2-meghna.serverforhost.com | 2 records |
✅ Authoritative Response
Server:103.133.214.192
NS records: ns1-meghna.serverforhost.com, ns2-meghna.serverforhost.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for optschool.com (unsigned zone)
⏱️ Timing
Total: 571ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.133.214.192 |
| NS | 2 | ns1-meghna.ewebguru.com, ns2-meghna.ewebguru.com |
| MX | 1 | mail.optschool.com (pri: 10) |
| TXT | 1 | v=spf1 a mx ip4:103.133.214.192 ~all |
| SOA | 1 | ns1-meghna.ewebguru.com hostmaster.optsc |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1-meghna.serverforhost.com, ns2-meghna.serverforhost.com)
Analysis
Hierarchy
The parent of mail.optschool.com is optschool.com.
IP Addresses
optschool.com points to a single IP number: 103.133.214.192.
Other host names, for instance ns2-meghna.serverforhost.com, applebiotech.com, mail.shivamenclave.com, mail.arustupvt.com and smockandstitch.com share IP numbers with optschool.com.
Name Servers
optschool.com is delegated to four name servers: ns1-meghna.ewebguru.com, ns2-meghna.ewebguru.com, ns1-meghna.serverforhost.com and ns2-meghna.serverforhost.com.
optschool.com shares name servers with other domains at least partially, for instance santlathe.com, sssohalpresses.com, shivamenclave.com, spallindia.com and overair.in.
these name servers are commonly used together with ns1.meghna.ewebguru.net and ns2.meghna.ewebguru.net.
Hostnames that point to 103.133.214.192: ns1-meghna.ewebguru.com, ns2-meghna.ewebguru.com, ns1-meghna.serverforhost.com and ns2-meghna.serverforhost.com.
Mail Servers
The mail server for optschool.com is mail.optschool.com.
Host name mail.optschool.com resolves to IP 103.133.214.192.