masterclassforamerica.com - robtex.com
masterclassforamerica.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 160.153.129.37🇳🇱 GODADDY-SXB160.153.128.0/21 GoDaddy.com, LLC | ||||||
| PTR | 37.129.153.160.host.secureserver.net | ||||||
| NS | ns71.domaincontrol.com ⭐ | ||||||
| A | 2603:5:2194::2e🇺🇸 GODADDY-DNS2603:5:2190::/44 | ||||||
| PTR | ns71.domaincontrol.com | ||||||
| A | 97.74.105.46🇺🇸 GODADDY-DNS97.74.104.0/23 | ||||||
| PTR | ns71.domaincontrol.com | ||||||
| NS | ns72.domaincontrol.com | ||||||
| A | 2603:5:2294::2e🇺🇸 GODADDY-DNS2603:5:2290::/44 | ||||||
| PTR | ns72.domaincontrol.com | ||||||
| A | 173.201.73.46🇺🇸 GODADDY-DNS173.201.72.0/23 | ||||||
| PTR | ns72.domaincontrol.com | ||||||
| MX | mail.masterclassforamerica.com ⭐ | ||||||
| A | 160.153.129.37🇳🇱 GODADDY-SXB160.153.128.0/21 GoDaddy.com, LLC | ||||||
| PTR | 37.129.153.160.host.secureserver.net | ||||||
| TXT | v=spf1 a mx ptr include:secureserver.net ~all | ||||||
| SOA | ns71.domaincontrol.comdns@jomax.net 2017-03-13 #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=1774540547 | ||||||
Subdomains
mail.masterclassforamerica.com |
Same first word
masterclassforamerica.com |
DNS History
4 records (4 active, 0 former)
●NSns71.domaincontrol.com2017-05-07 → 2026-03-26 · 2 obs
● 2026-03-26 16:25:06
●NSns72.domaincontrol.com2017-05-07 → 2026-03-26 · 2 obs
● 2026-03-26 16:25:06
●MXmail.masterclassforamerica.com2017-05-07 → 2026-03-26 · 2 obs
● 2026-03-26 16:25:06
●A160.153.129.372017-05-07 → 2026-03-26 · 2 obs
● 2026-03-26 16:25:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| masterclassforamerica.com | ns71.domaincontrol.com, ns72.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.73.46
NS records: ns71.domaincontrol.com, ns72.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for masterclassforamerica.com (unsigned zone)
⏱️ Timing
Total: 229ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 160.153.129.37 |
| NS | 2 | ns71.domaincontrol.com, ns72.domaincontrol.com |
| MX | 1 | mail.masterclassforamerica.com (pri: 0) |
| TXT | 1 | v=spf1 a mx ptr include:secureserver.net |
| SOA | 1 | ns71.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns71.domaincontrol.com, ns71.domaincontrol.com, ns72.domaincontrol.com...)
Analysis
Hierarchy
masterclassforamerica.com is a parent of mail.masterclassforamerica.com.
IP Addresses
masterclassforamerica.com points to a single IP number: 160.153.129.37.
Other host names, for instance iams-kz.com, decora.co, strandmarinemalta.com, aguaguau.es and hbjadvocates.com share IP numbers with masterclassforamerica.com.
Name Servers
Delegation for masterclassforamerica.com rests with two name servers, ns71.domaincontrol.com and ns72.domaincontrol.com.
masterclassforamerica.com shares the same name server setup as other domains, including ponyboymagazine.com, settleinuk.com, stephendaries.com, wujuu.com and morriscomgroup.com.
masterclassforamerica.com shares name servers with other domains at least partially, for example texasmicrowave.com.
Host names with two IP numbers: ns71.domaincontrol.com points to 2603:5:2194::2e and 97.74.105.46; ns72.domaincontrol.com points to 2603:5:2294::2e and 173.201.73.46.
Mail Servers
masterclassforamerica.com is handled by a single mail server, mail.masterclassforamerica.com.
mail.masterclassforamerica.com points to a single IP: 160.153.129.37.