opt-class.com - dns.ninja
opt-class.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=1783713582 | ||||||
Same first word
opt-class.org |
opt-class.com |
Similar names
DNS History
7 records (6 active, 1 former)
●NSns65.domaincontrol.com2015-08-06 → 2026-07-10 · 2 obs
● 2026-07-10 20:11:08
●NSns66.domaincontrol.com2015-08-06 → 2026-07-10 · 2 obs
● 2026-07-10 20:11:08
●MXmailstore1.secureserver.net2015-08-06 → 2026-07-10 · 2 obs
● 2026-07-10 20:11:08
●MXsmtp.secureserver.net2015-08-06 → 2026-07-10 · 2 obs
● 2026-07-10 20:11:08
●A15.197.148.332026-05-02 → 2026-07-10 · 3 obs
● 2026-05-02 21:04:26
● 2026-07-10 20:11:08
○A184.168.221.552015-08-06 → 2020-01-20 · 4 obs
● 2020-01-20 11:55:00
○ 2026-05-02 21:04:26
○ 2026-07-10 20:11:08
●A3.33.130.1902026-05-02 → 2026-07-10 · 3 obs
● 2026-05-02 21:04:26
● 2026-07-10 20:11:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| opt-class.com | ns66.domaincontrol.com, ns65.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.102.43
NS records: ns66.domaincontrol.com, ns65.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for opt-class.com (unsigned zone)
⏱️ Timing
Total: 1269ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 3.33.130.190, 15.197.148.33 |
| NS | 2 | ns65.domaincontrol.com, ns66.domaincontrol.com |
| MX | 2 | mailstore1.secureserver.net (pri: 10), smtp.secureserver.net (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns65.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns66.domaincontrol.com, ns66.domaincontrol.com, ns65.domaincontrol.com...)
Analysis
IP Addresses
opt-class.com resolves to the IP addresses 3.33.130.190 and 15.197.148.33
Two other host names, along with 00912.com, e-com.online and webtransfer.us, also share IP numbers with opt-class.com.
Name Servers
opt-class.com is delegated to two name servers: ns65.domaincontrol.com and ns66.domaincontrol.com.
opt-class.com shares its NS records with other domains, for example safetycrew.ca, westcoastsingles.com, gesameinc.com and two others.
ns65.domaincontrol.com and ns66.domaincontrol.com each resolve to two IP addresses: ns65.domaincontrol.com points to 97.74.102.43 and 2603:5:2164::2b, while ns66.domaincontrol.com points to 173.201.70.43 and 2603:5:2264::2b.
Mail Servers
opt-class.com is served by two mail servers, mailstore1.secureserver.net and smtp.secureserver.net.
Among the domains sharing a mail server setup with opt-class.com are exaholics.info, pontusleander.com, visualprose.co and two others.
opt-class.com shares mail servers with at least some other domains, such as achimcom.de, bidcorral.com and plancap.co.
mailstore1.secureserver.net and smtp.secureserver.net each resolve to three IP addresses. mailstore1.secureserver.net resolves to 216.69.141.78, 216.69.141.114 and 216.69.141.162. smtp.secureserver.net resolves to 216.69.141.71, 216.69.141.84 and 216.69.141.113.