classcost.com - robtex.com
classcost.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=1774638747 | ||||||
Same first word
classcost.com |
DNS History
8 records (8 active, 0 former)
●NSpdns1.registrar-servers.com2026-03-17 → 2026-03-27 · 2 obs
● 2026-03-27 19:41:36
●NSpdns2.registrar-servers.com2026-03-17 → 2026-03-27 · 2 obs
● 2026-03-27 19:41:36
●MXeforward1.registrar-servers.com2026-03-17 → 2026-03-27 · 2 obs
● 2026-03-27 19:41:36
●MXeforward2.registrar-servers.com2026-03-17 → 2026-03-27 · 2 obs
● 2026-03-27 19:41:36
●MXeforward3.registrar-servers.com2026-03-17 → 2026-03-27 · 2 obs
● 2026-03-27 19:41:36
●MXeforward4.registrar-servers.com2026-03-17 → 2026-03-27 · 2 obs
● 2026-03-27 19:41:36
●MXeforward5.registrar-servers.com2026-03-17 → 2026-03-27 · 2 obs
● 2026-03-27 19:41:36
●A216.24.57.12026-03-17 → 2026-03-27 · 2 obs
● 2026-03-27 19:41:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| classcost.com | pdns1.registrar-servers.com, pdns2.registrar-servers.com | 4 records |
✅ Authoritative Response
Server:156.154.133.100
NS records: pdns1.registrar-servers.com, pdns2.registrar-servers.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for classcost.com (unsigned zone)
⏱️ Timing
Total: 190ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.24.57.1 |
| NS | 2 | pdns1.registrar-servers.com, pdns2.registrar-servers.com |
| MX | 5 | eforward1.registrar-servers.com (pri: 10, eforward2.registrar-servers.com (pri: 10... |
| TXT | 1 | v=spf1 include:spf.efwd.registrar-server |
| SOA | 1 | pdns1.registrar-servers.com hostmaster.r |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (pdns1.registrar-servers.com, pdns1.registrar-servers.com, pdns2.registrar-servers.com...)
Analysis
IP Addresses
classcost.com points to a single IP address: 216.24.57.1.
Other host names such as bazazlaw.com, tlmdiesel.com.au, lallamaperfecta.com.ar, ace-car.co.il and kittyescraft.com share IP numbers with classcost.com.
Name Servers
classcost.com is delegated to two name servers: pdns1.registrar-servers.com and pdns2.registrar-servers.com.
classcost.com uses the same name server setup as other domains, including studyho.com, bluumly.com, ashgroverangers.org, spotfyi.com and koffeefreak.com.
classcost.com shares some name servers with other domains, for example euyansang.com.
Host names with two IP numbers:
pdns1.registrar-servers.com points to 2610:a1:1024::100 and 156.154.132.100.
pdns2.registrar-servers.com points to 2610:a1:1025::100 and 156.154.133.100.
Mail Servers
classcost.com is handled by five mail servers: eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com, eforward4.registrar-servers.com and eforward5.registrar-servers.com.
classcost.com shares at least some mail servers with other domains, for example indyjaycees.org, bravesteps.love, oidinvonline.com, prime-targeting.com and sivangil.com.
these mail servers are often used together with eforward6.registrar-servers.com and eforward7.registrar-servers.com.
Names with a single IP number:
eforward1.registrar-servers.com points to 162.255.118.51.
eforward2.registrar-servers.com points to 162.255.118.52.
eforward3.registrar-servers.com points to 162.255.118.51.
eforward4.registrar-servers.com points to 162.255.118.52.
eforward5.registrar-servers.com points to 162.255.118.51.
Names pointing to 162.255.118.51: eforward1.registrar-servers.com, eforward3.registrar-servers.com and eforward5.registrar-servers.com.
Names pointing to 162.255.118.52: eforward2.registrar-servers.com and eforward4.registrar-servers.com.