instructorexcellence.com - dns.ninja
instructorexcellence.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=1786233904 | ||||||
Same first word
instructorexcellence.com |
DNS History
9 records (6 active, 3 former)
●NSpdns03.domaincontrol.com2015-08-10 → 2026-08-09 · 2 obs
● 2026-08-09 00:05:54
●NSpdns04.domaincontrol.com2015-08-10 → 2026-08-09 · 2 obs
● 2026-08-09 00:05:54
●MXmailstore1.secureserver.net2015-08-10 → 2026-08-09 · 2 obs
● 2026-08-09 00:05:54
●MXsmtp.secureserver.net2015-08-10 → 2026-08-09 · 2 obs
● 2026-08-09 00:05:54
●A15.197.148.332026-07-12 → 2026-08-09 · 3 obs
● 2026-07-12 01:07:44
● 2026-08-09 00:05:54
○A166.62.107.202020-01-27 → 2020-01-27 · 4 obs
● 2020-01-27 11:01:04
○ 2026-07-12 01:07:44
○ 2026-08-09 00:05:54
○A184.168.47.2252015-08-10 → 2016-03-08 · 4 obs
● 2016-03-08 08:26:26
○ 2016-07-11 19:51:18
○ 2026-08-09 00:05:54
○A198.12.145.1352016-07-11 → 2017-03-23 · 5 obs
● 2016-07-11 19:51:18
● 2017-03-23 03:45:14
○ 2020-01-27 11:01:04
○ 2026-08-09 00:05:54
●A3.33.130.1902026-07-12 → 2026-08-09 · 3 obs
● 2026-07-12 01:07:44
● 2026-08-09 00:05:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| instructorexcellence.com | pdns03.domaincontrol.com, pdns04.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.79.51
NS records: pdns03.domaincontrol.com, pdns04.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for instructorexcellence.com (unsigned zone)
⏱️ Timing
Total: 1491ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 3.33.130.190, 15.197.148.33 |
| NS | 2 | pdns03.domaincontrol.com, pdns04.domaincontrol.com |
| MX | 2 | mailstore1.secureserver.net (pri: 10), smtp.secureserver.net (pri: 0) |
| SOA | 1 | pdns03.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (pdns03.domaincontrol.com, pdns03.domaincontrol.com, pdns04.domaincontrol.com...)
Analysis
IP Addresses
instructorexcellence.com directs to two IP numbers, 3.33.130.190 and 15.197.148.33
capitalholidaylights.org, jpgbrokers.com, urbanhomestead.com and two other host names share IP numbers with instructorexcellence.com.
Name Servers
instructorexcellence.com is served by two delegated name servers, pdns03.domaincontrol.com and pdns04.domaincontrol.com.
instructorexcellence.com uses the same name servers as several other domains — among them hawkhang.com, dragonlair.com, maildem.mobi and two more.
The DNS delegation for instructorexcellence.com at least partly coincides with that of other domains, bvcstrong.com being one example.
Each of the two host names carries two IP addresses: pdns03.domaincontrol.com points to 97.74.111.51 and 2603:5:21f0::33, and pdns04.domaincontrol.com points to 173.201.79.51 and 2603:5:22f0::33.
Mail Servers
Mail for instructorexcellence.com is handled by two mail servers — mailstore1.secureserver.net and smtp.secureserver.net.
instructorexcellence.com uses an identical mail server configuration to several other domains — among them keenelandcard.com, caseexplore.net, amandapromo.com and two more.
There is at least a partial overlap in mail servers between instructorexcellence.com and other domains like georg-quaas.de, hop.co.uk and brandonmuth.com.
mailstore1.secureserver.net has three IP addresses (216.69.141.78, 216.69.141.114 and 216.69.141.162) and smtp.secureserver.net has three IP addresses (216.69.141.71, 216.69.141.84 and 216.69.141.113).