masteryfirst.com - robtex.com
masteryfirst.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 | ns43.domaincontrol.com ⭐ | ||||||
| A | 2603:5:2152::16🇺🇸 GODADDY-DNS2603:5:2150::/44 | ||||||
| PTR | ns43.domaincontrol.com | ||||||
| A | 97.74.101.22🇺🇸 GODADDY-DNS97.74.100.0/23 | ||||||
| PTR | ns43.domaincontrol.com | ||||||
| NS | ns44.domaincontrol.com | ||||||
| A | 2603:5:2252::16🇺🇸 GODADDY-DNS2603:5:2250::/44 | ||||||
| PTR | ns44.domaincontrol.com | ||||||
| A | 173.201.69.22🇺🇸 GODADDY-DNS173.201.68.0/23 | ||||||
| PTR | ns44.domaincontrol.com | ||||||
| SOA | ns43.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=1774434762 | ||||||
Same first word
masteryfirst.com |
Similar names
DNS History
4 records (4 active, 0 former)
●NSns43.domaincontrol.com2026-03-15 → 2026-03-25 · 2 obs
● 2026-03-25 10:55:44
●NSns44.domaincontrol.com2026-03-15 → 2026-03-25 · 2 obs
● 2026-03-25 10:55:44
●A15.197.148.332026-03-15 → 2026-03-25 · 2 obs
● 2026-03-25 10:55:44
●A3.33.130.1902026-03-15 → 2026-03-25 · 2 obs
● 2026-03-25 10:55:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| masteryfirst.com | ns43.domaincontrol.com, ns44.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.69.22
NS records: ns43.domaincontrol.com, ns44.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for masteryfirst.com (unsigned zone)
⏱️ Timing
Total: 188ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 3.33.130.190, 15.197.148.33 |
| NS | 2 | ns43.domaincontrol.com, ns44.domaincontrol.com |
| SOA | 1 | ns43.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns43.domaincontrol.com, ns43.domaincontrol.com, ns44.domaincontrol.com...)
Analysis
IP Addresses
masteryfirst.com resolves to two IPs: 3.33.130.190 and 15.197.148.33.
other host names for instance chordfinder.org, minimall.in, izzycarey.com, yilmazyildiz.com and programdept.com share IP numbers with masteryfirst.com.
Name Servers
masteryfirst.com is delegated to two name servers: ns43.domaincontrol.com and ns44.domaincontrol.com.
masteryfirst.com shares the same name server setup as other domains, for example skillshared.com, vacanzesolalto.com, hexlife.com, caikentucky.com and seylab.shop.
Host names with two IP numbers:
ns43.domaincontrol.com points to 2603:5:2152::16 and 97.74.101.22
ns44.domaincontrol.com points to 2603:5:2252::16 and 173.201.69.22