optofab.com - robtex.com
optofab.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 216.158.235.18🇺🇸 NJIIX-1216.158.224.0/20 Proxy by NJIIX.NET | ||||||
| PTR | gotn.thewebsdesign.company | ||||||
| NS | cdns1.interserver.net ⭐ | ||||||
| A | 216.158.228.164🇺🇸 NJIIX-1216.158.224.0/20 Proxy by NJIIX.NET | ||||||
| PTR | cdns1.interserver.net | ||||||
| NS | cdns2.interserver.net | ||||||
| A | 216.158.234.243🇺🇸 NJIIX-1216.158.224.0/20 Proxy by NJIIX.NET | ||||||
| PTR | cdns2.interserver.net | ||||||
| NS | cdns3.interserver.net ⚠️ Not in parent delegation | ||||||
| A | 199.231.191.75🇺🇸 NJIIX-1199.231.184.0/21 Proxy by NJIIX.NET | ||||||
| PTR | cdns3.interserver.net | ||||||
| MX | mail.optofab.com ⭐ | ||||||
| A | 216.158.235.18🇺🇸 NJIIX-1216.158.224.0/20 Proxy by NJIIX.NET | ||||||
| PTR | gotn.thewebsdesign.company | ||||||
| SOA | cdns1.interserver.netdns@interserver.net 2022-09-13 #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=1774589672 | ||||||
Subdomains
mail.optofab.com |
Same first word
Similar names
DNS History
13 records (5 active, 8 former)
●NScdns1.interserver.net2026-03-06 → 2026-03-27 · 3 obs
● 2026-03-06 20:41:26
● 2026-03-27 05:54:32
●NScdns2.interserver.net2026-03-06 → 2026-03-27 · 3 obs
● 2026-03-06 20:41:26
● 2026-03-27 05:54:32
●NScdns3.interserver.net2026-03-06 → 2026-03-27 · 3 obs
● 2026-03-06 20:41:26
● 2026-03-27 05:54:32
○NSdns023.a.register.com2008-11-03 → 2008-11-03 · 3 obs
○ 2015-06-27 10:22:40
○ 2026-03-27 05:54:32
○NSdns220.c.register.com2008-11-03 → 2008-11-03 · 3 obs
○ 2015-06-27 10:22:40
○ 2026-03-27 05:54:32
○NSdns221.b.register.com2008-11-03 → 2008-11-03 · 3 obs
○ 2015-06-27 10:22:40
○ 2026-03-27 05:54:32
○NSdns249.d.register.com2008-11-03 → 2008-11-03 · 3 obs
○ 2015-06-27 10:22:40
○ 2026-03-27 05:54:32
○NSns1.dreamhost.com2015-06-27 → 2017-06-23 · 5 obs
● 2015-06-27 10:22:40
● 2017-06-23 22:38:08
○ 2026-03-06 20:41:26
○ 2026-03-27 05:54:32
○NSns2.dreamhost.com2015-06-27 → 2017-06-23 · 5 obs
● 2015-06-27 10:22:40
● 2017-06-23 22:38:08
○ 2026-03-06 20:41:26
○ 2026-03-27 05:54:32
○NSns3.dreamhost.com2015-06-27 → 2017-06-23 · 5 obs
● 2015-06-27 10:22:40
● 2017-06-23 22:38:08
○ 2026-03-06 20:41:26
○ 2026-03-27 05:54:32
●MXmail.optofab.com2026-03-06 → 2026-03-27 · 2 obs
● 2026-03-27 05:54:32
●A216.158.235.182026-03-06 → 2026-03-27 · 3 obs
● 2026-03-06 20:41:26
● 2026-03-27 05:54:32
○A216.21.239.1972008-11-03 → 2008-11-03 · 3 obs
○ 2015-06-27 10:22:40
○ 2026-03-27 05:54:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| optofab.com | cdns1.interserver.net, cdns2.interserver.net | - |
✅ Authoritative Response
Server:216.158.234.243
NS records: cdns1.interserver.net, cdns2.interserver.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for optofab.com (unsigned zone)
⏱️ Timing
Total: 191ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.158.235.18 |
| NS | 3 | cdns2.interserver.net, cdns1.interserver.net... |
| MX | 1 | mail.optofab.com (pri: 25) |
| SOA | 1 | cdns1.interserver.net dns.interserver.ne |
Analysis
Hierarchy
mail.optofab.com is a child of optofab.com.
IP Addresses
optofab.com resolves to one IP number: 216.158.235.18.
Other host names, for instance gotn.com, mail.bobooli.com, joyeria.com.gt, mail.irvinetoday.com and sharpcatalog.com share IP numbers with optofab.com.
Name Servers
optofab.com is delegated to three name servers: cdns1.interserver.net, cdns2.interserver.net and cdns3.interserver.net.
optofab.com at least partially shares name servers with other domains, including shutdown-turnaround-summit.com, beanscreekranch.com, ssquareinfotech.com, nautek.biz and arcader.org.
Host names with a single IP:
cdns1.interserver.net points to 216.158.228.164; cdns2.interserver.net points to 216.158.234.243; cdns3.interserver.net points to 199.231.191.75.
Mail Servers
A single mail server handles optofab.com, mail.optofab.com.
Host name mail.optofab.com resolves to a single IP: 216.158.235.18.