mastery-learning.com - dns.ninja
mastery-learning.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=1786110494 | ||||||
Same first word
mastery-learning.org |
mastery-learning.com |
DNS History
9 records (4 active, 5 former)
○NSns1.mediatemple.net2015-06-04 → 2016-02-02 · 4 obs
● 2016-02-02 12:38:34
○ 2017-01-02 20:14:44
○ 2026-08-07 13:53:40
○NSns2.mediatemple.net2015-06-04 → 2016-02-02 · 4 obs
● 2016-02-02 12:38:34
○ 2017-01-02 20:14:44
○ 2026-08-07 13:53:40
●NSns63.domaincontrol.com2017-01-02 → 2026-08-07 · 3 obs
● 2017-01-02 20:14:44
● 2026-08-07 13:53:40
●NSns64.domaincontrol.com2017-01-02 → 2026-08-07 · 3 obs
● 2017-01-02 20:14:44
● 2026-08-07 13:53:40
○MXmail.mastery-learning.com2015-06-04 → 2016-02-02 · 4 obs
● 2016-02-02 12:38:34
○ 2017-01-02 20:14:44
○ 2026-08-07 13:53:40
●MXmailstore1.secureserver.net2017-01-02 → 2026-08-07 · 3 obs
● 2017-01-02 20:14:44
● 2026-08-07 13:53:40
●MXsmtp.secureserver.net2017-01-02 → 2026-08-07 · 3 obs
● 2017-01-02 20:14:44
● 2026-08-07 13:53:40
○A192.169.173.2542017-01-02 → 2017-11-09 · 5 obs
● 2017-01-02 20:14:44
● 2017-11-09 00:20:00
○ 2026-02-19 08:35:32
○ 2026-08-07 13:53:40
○A64.13.192.1882015-06-04 → 2016-02-02 · 4 obs
● 2016-02-02 12:38:34
○ 2017-01-02 20:14:44
○ 2026-08-07 13:53:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net, i.gtld-servers.net... | - |
| mastery-learning.com | ns63.domaincontrol.com, ns64.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.69.42
NS records: ns63.domaincontrol.com, ns64.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mastery-learning.com (unsigned zone)
⏱️ Timing
Total: 151ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns63.domaincontrol.com, ns64.domaincontrol.com |
| MX | 2 | mailstore1.secureserver.net (pri: 10), smtp.secureserver.net (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns63.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns63.domaincontrol.com, ns63.domaincontrol.com, ns64.domaincontrol.com...)
Analysis
Name Servers
The NS records for mastery-learning.com delegate to ns63.domaincontrol.com and ns64.domaincontrol.com.
mastery-learning.com shares its name server setup with other domains, including garagedoorrepairportlandor.org, franklincountytaxcollector.com, siestapaddlesports.com and two others.
mastery-learning.com and other domains like rehbermatematik.com share at least a portion of their name servers.
ns63.domaincontrol.com resolves to 97.74.101.42 and 2603:5:2154::2a. Likewise, ns64.domaincontrol.com resolves to 173.201.69.42 and 2603:5:2254::2a — two IP addresses apiece.
Mail Servers
mastery-learning.com has two mail servers: mailstore1.secureserver.net and smtp.secureserver.net.
mastery-learning.com shares the same mail server setup as other domains, including dentrestorations.com, hw1.biz, relizen.net and two others.
mastery-learning.com partially shares its mail servers with other domains, tx2me.com and westparkhospital.org being examples.
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).