optinmastercourse.com - robtex.com
optinmastercourse.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.33.130.190🇺🇸 Amazon3.33.128.0/20 | ||||||
| PTR | a2aa9ff50de748dbe.awsglobalaccelerator.com | ||||||
| A | 15.197.148.33🇺🇸 Amazon15.197.144.0/20 | ||||||
| NS | ns57.domaincontrol.com ⭐ | ||||||
| A | 2603:5:21c2::1d🇺🇸 GODADDY-DNS2603:5:21c0::/44 | ||||||
| PTR | ns57.domaincontrol.com | ||||||
| A | 97.74.108.29🇺🇸 GODADDY-DNS97.74.108.0/23 | ||||||
| PTR | ns57.domaincontrol.com | ||||||
| NS | ns58.domaincontrol.com | ||||||
| A | 2603:5:22c2::1d🇺🇸 GODADDY-DNS2603:5:22c0::/44 | ||||||
| PTR | ns58.domaincontrol.com | ||||||
| A | 173.201.76.29🇺🇸 GODADDY-DNS173.201.76.0/23 | ||||||
| PTR | ns58.domaincontrol.com | ||||||
| SOA | ns57.domaincontrol.comdns@jomax.net 2023-09-20 #0 | ||||||
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=1776244437 | ||||||
Previously MX for
optinmastercourse.com |
Same first word
optinmastercourse.com |
DNS History
8 records (4 active, 4 former)
○NSns1.optinmastercourse.com2007-08-13 → 2007-08-13 · 3 obs
○ 2015-06-16 18:18:50
○ 2026-04-15 09:26:36
○NSns2.optinmastercourse.com2007-08-13 → 2007-08-13 · 3 obs
○ 2015-06-16 18:18:50
○ 2026-04-15 09:26:36
●NSns57.domaincontrol.com2026-03-28 → 2026-04-15 · 3 obs
● 2026-03-28 23:08:26
● 2026-04-15 09:26:36
●NSns58.domaincontrol.com2026-03-28 → 2026-04-15 · 3 obs
● 2026-03-28 23:08:26
● 2026-04-15 09:26:36
○MXoptinmastercourse.com2007-08-13 → 2007-08-13 · 3 obs
○ 2015-06-16 18:18:50
○ 2026-04-15 09:26:36
●A15.197.148.332026-03-28 → 2026-04-15 · 3 obs
● 2026-03-28 23:08:26
● 2026-04-15 09:26:36
●A3.33.130.1902026-03-28 → 2026-04-15 · 3 obs
● 2026-03-28 23:08:26
● 2026-04-15 09:26:36
○A69.72.142.1622007-08-13 → 2007-08-13 · 3 obs
○ 2015-06-16 18:18:50
○ 2026-04-15 09:26:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| optinmastercourse.com | ns57.domaincontrol.com, ns58.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.108.29
NS records: ns57.domaincontrol.com, ns58.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for optinmastercourse.com (unsigned zone)
⏱️ Timing
Total: 86ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 3.33.130.190, 15.197.148.33 |
| NS | 2 | ns57.domaincontrol.com, ns58.domaincontrol.com |
| SOA | 1 | ns57.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns57.domaincontrol.com, ns57.domaincontrol.com, ns58.domaincontrol.com...)
Analysis
IP Addresses
optinmastercourse.com points to two IP numbers: 3.33.130.190 and 15.197.148.33.
Other host names such as arborweek.org, sutantio.net, greensborofamilyattorney.com, diabetescarelive.com and nonstop.mobi share IP numbers with optinmastercourse.com.
Name Servers
optinmastercourse.com is delegated to two name servers: ns57.domaincontrol.com and ns58.domaincontrol.com.
optinmastercourse.com uses the same name server setup as other domains, including clever-laden.com, altamonte.church, ehomevalue.net, aamotorcar.com and bb2015.com.
Host names with two IP numbers:
ns57.domaincontrol.com points to 2603:5:21c2::1d and 97.74.108.29.
ns58.domaincontrol.com points to 2603:5:22c2::1d and 173.201.76.29.