polymathtestprep.com - robtex.com
polymathtestprep.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 76.76.21.21🇺🇸 Amazon76.76.21.0/24 EC2 Prefix | ||||||
| NS | dns1.registrar-servers.com ⭐ | ||||||
| A | 2610:a1:1024::200🇺🇸 MAINT-ID-120082610:a1:1024::/48 Neustar | ||||||
| PTR | dns1.namecheaphosting.com | ||||||
| PTR | dns1.registrar-servers.com | ||||||
| A | 156.154.132.200🇺🇸 MAINT-ID-12008156.154.132.0/24 Neustar | ||||||
| PTR | dns1.namecheaphosting.com | ||||||
| PTR | dns1.registrar-servers.com | ||||||
| NS | dns2.registrar-servers.com | ||||||
| A | 2610:a1:1025::200🇺🇸 MAINT-ID-120082610:a1:1025::/48 Neustar | ||||||
| PTR | dns2.namecheaphosting.com | ||||||
| PTR | dns2.registrar-servers.com | ||||||
| A | 156.154.133.200🇺🇸 MAINT-ID-12008156.154.133.0/24 Neustar | ||||||
| PTR | dns2.namecheaphosting.com | ||||||
| PTR | dns2.registrar-servers.com | ||||||
| SOA | dns1.registrar-servers.comhostmaster@registrar-servers.com serial=1767815404 | ||||||
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=1789196078 | ||||||
Same first word
polymathtestprep.com |
Previous names
Next names
DNS History
7 records (3 active, 4 former)
●NSdns1.registrar-servers.com2026-09-05 → 2026-09-12 · 3 obs
● 2026-09-05 04:01:36
● 2026-09-12 07:07:20
●NSdns2.registrar-servers.com2026-09-05 → 2026-09-12 · 3 obs
● 2026-09-05 04:01:36
● 2026-09-12 07:07:20
○NSns-cloud-a1.googledomains.com2019-12-15 → 2019-12-15 · 3 obs
○ 2026-09-05 04:01:36
○ 2026-09-12 07:07:20
○NSns-cloud-a2.googledomains.com2019-12-15 → 2019-12-15 · 3 obs
○ 2026-09-05 04:01:36
○ 2026-09-12 07:07:20
○NSns-cloud-a3.googledomains.com2019-12-15 → 2019-12-15 · 3 obs
○ 2026-09-05 04:01:36
○ 2026-09-12 07:07:20
○NSns-cloud-a4.googledomains.com2019-12-15 → 2019-12-15 · 3 obs
○ 2026-09-05 04:01:36
○ 2026-09-12 07:07:20
●A76.76.21.212026-09-05 → 2026-09-12 · 2 obs
● 2026-09-12 07:07:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, c.gtld-servers.net, g.gtld-servers.net, a.gtld-servers.net... | - |
| polymathtestprep.com | dns1.registrar-servers.com, dns2.registrar-servers.com | 4 records |
✅ Authoritative Response
Server:156.154.133.200
NS records: dns1.registrar-servers.com, dns2.registrar-servers.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for polymathtestprep.com (unsigned zone)
⏱️ Timing
Total: 173ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 76.76.21.21 |
| NS | 2 | dns1.registrar-servers.com, dns2.registrar-servers.com |
| SOA | 1 | dns1.registrar-servers.com hostmaster.re |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (dns1.registrar-servers.com, dns1.registrar-servers.com, dns2.registrar-servers.com...)
Analysis
IP Addresses
polymathtestprep.com points to a single IP number: 76.76.21.21.
Additional host names — benceragany.com, humanchemical.com, wociwu.cn and two others — share IP numbers with polymathtestprep.com.
Name Servers
DNS delegation for polymathtestprep.com points to two name servers: dns1.registrar-servers.com and dns2.registrar-servers.com.
polymathtestprep.com shares its name server setup with other domains, including tverhoef.com, shaktinurture.xyz, saagtc.com and two others.
polymathtestprep.com has name servers in common with a number of other domains — securemypc.life, onshopnet.com, chefjessicaroy.com and touristgirls.com among them.
These name servers frequently co-occur with the name servers dns1.namecheaphosting.com and dns2.namecheaphosting.com.
dns1.registrar-servers.com directs to 156.154.132.200 and 2610:a1:1024::200. dns2.registrar-servers.com directs to 156.154.133.200 and 2610:a1:1025::200. Each host name carries two IP addresses.