mathfirstclass.com - robtex.com
mathfirstclass.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 | pdns13.domaincontrol.com ⭐ | ||||||
| A | 97.74.110.56🇺🇸 GODADDY-DNS97.74.110.0/23 | ||||||
| PTR | pdns13.domaincontrol.com | ||||||
| NS | pdns14.domaincontrol.com | ||||||
| A | 173.201.78.56🇺🇸 GODADDY-DNS173.201.78.0/23 | ||||||
| PTR | pdns14.domaincontrol.com | ||||||
| SOA | pdns13.domaincontrol.comdns@jomax.net 2026-08-12 #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=1791036134 | ||||||
Same first word
mathfirstclass.com |
Previous names
Next names
DNS History
4 records (4 active, 0 former)
●NSpdns13.domaincontrol.com2026-09-25 → 2026-10-03 · 2 obs
● 2026-10-03 14:22:22
●NSpdns14.domaincontrol.com2026-09-25 → 2026-10-03 · 2 obs
● 2026-10-03 14:22:22
●A15.197.148.332026-09-25 → 2026-10-03 · 2 obs
● 2026-10-03 14:22:22
●A3.33.130.1902026-09-25 → 2026-10-03 · 2 obs
● 2026-10-03 14:22:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, k.gtld-servers.net, f.gtld-servers.net, i.gtld-servers.net... | - |
| mathfirstclass.com | pdns13.domaincontrol.com, pdns14.domaincontrol.com | 2 records |
✅ Authoritative Response
Server:97.74.110.56
NS records: pdns13.domaincontrol.com, pdns14.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mathfirstclass.com (unsigned zone)
⏱️ Timing
Total: 889ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 3.33.130.190, 15.197.148.33 |
| NS | 2 | pdns13.domaincontrol.com, pdns14.domaincontrol.com |
| SOA | 1 | pdns13.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (pdns13.domaincontrol.com, pdns14.domaincontrol.com)
Analysis
IP Addresses
mathfirstclass.com has two IP addresses: 3.33.130.190 and 15.197.148.33
jascologistics.us, fiftyplusmd.com, renewedpower.org and two other host names share IP numbers with mathfirstclass.com.
Name Servers
mathfirstclass.com is served by two delegated name servers, pdns13.domaincontrol.com and pdns14.domaincontrol.com.
mathfirstclass.com uses the same name servers as several other domains — among them tintasprisma.com.mx, electionpolicyalliance.store, bcktv-dhx02-hmhjtm.work and two more.
The DNS delegation for mathfirstclass.com at least partly coincides with that of other domains, fecralalloy.com being one example.
Each of pdns13.domaincontrol.com and pdns14.domaincontrol.com has one IP address: pdns13.domaincontrol.com uses 97.74.110.56 and pdns14.domaincontrol.com uses 173.201.78.56.