opto-tech.com - robtex.com
opto-tech.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=1771291435 | ||||||
Same first word
opto-tech.com |
opto-tech.ru |
opto-tech.pl |
Similar names
DNS History
4 records (4 active, 0 former)
●NSf1g1ns1.dnspod.net2015-06-29 → 2026-03-24 · 2 obs
● 2026-03-24 10:21:56
●NSf1g1ns2.dnspod.net2015-06-29 → 2026-03-24 · 2 obs
● 2026-03-24 10:21:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, m.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net... | - |
| opto-tech.com | f1g1ns1.dnspod.net, f1g1ns2.dnspod.net | - |
✅ Authoritative Response
Server:1.14.119.35
NS records: f1g1ns1.dnspod.net, f1g1ns2.dnspod.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for opto-tech.com (unsigned zone)
⏱️ Timing
Total: 3622ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | f1g1ns2.dnspod.net, f1g1ns1.dnspod.net |
| MX | 2 | mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10) |
| SOA | 1 | f1g1ns1.dnspod.net freednsadmin.dnspod.c |
Analysis
Name Servers
Two name servers f1g1ns1.dnspod.net and f1g1ns2.dnspod.net are delegated to opto-tech.com.
opto-tech.com uses the same name server configuration as other domains, such as natop.com, dg-eflord.com, gdzpw.cn, jiangyinbaihua.com and remixicon.com.
opto-tech.com at least partially shares name servers with other domains such as 7ren.net, inxuakqapost.com, bot02zf.cfd, 024huwai.com and tv2sc.com.
These name servers are commonly used alongside a.dnspod.com, b.dnspod.com and c.dnspod.com.
Eight IP numbers for host names: f1g1ns2.dnspod.net points to 2402:4e00:111:fff::c, 1.12.0.1, 1.13.76.35, 36.155.149.35, 101.227.168.35, 106.39.207.235, 111.206.98.235 and 220.196.136.35.
Seven IP numbers for host names: f1g1ns1.dnspod.net points to 2402:4e00:1470:2::e, 1.12.0.4, 1.14.119.35, 111.13.13.35, 117.135.128.235, 125.94.59.235 and 163.177.5.35.
Mail Servers
Two mail servers handle opto-tech.com: mxbiz1.qq.com and mxbiz2.qq.com.
opto-tech.com shares the same mail server setup as other domains, including xhcnc.cn, rotimum.com.cn, jshcdx.com, echatsoft.com and tuho.tv.
opto-tech.com shares some mail servers with other domains, for instance jygenomex.com, coresport.cn and aldgo.com.
Host name mxbiz1.qq.com has two IPs: 203.205.147.218 and 203.205.232.191.
Host name mxbiz2.qq.com has one IP: 203.205.232.191.
Host names pointing to 203.205.232.191: mxbiz1.qq.com and mxbiz2.qq.com.