cbtstudy.com - dns.ninja
cbtstudy.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=1783169081 | ||||||
Same first word
cbtstudy.com |
Similar names
DNS History
16 records (8 active, 8 former)
○NSdns1.p08.nsone.net2017-05-11 → 2017-05-11 · 3 obs
○ 2026-03-26 17:00:02
○ 2026-07-04 13:08:08
●NSdns1.registrar-servers.com2026-03-26 → 2026-07-04 · 3 obs
● 2026-03-26 17:00:02
● 2026-07-04 13:08:08
○NSdns2.p08.nsone.net2017-05-11 → 2017-05-11 · 3 obs
○ 2026-03-26 17:00:02
○ 2026-07-04 13:08:08
●NSdns2.registrar-servers.com2026-03-26 → 2026-07-04 · 3 obs
● 2026-03-26 17:00:02
● 2026-07-04 13:08:08
○NSdns3.p08.nsone.net2017-05-11 → 2017-05-11 · 3 obs
○ 2026-03-26 17:00:02
○ 2026-07-04 13:08:08
○NSdns4.p08.nsone.net2017-05-11 → 2017-05-11 · 3 obs
○ 2026-03-26 17:00:02
○ 2026-07-04 13:08:08
●MXeforward1.registrar-servers.com2026-03-26 → 2026-07-04 · 2 obs
● 2026-07-04 13:08:08
●MXeforward2.registrar-servers.com2026-03-26 → 2026-07-04 · 2 obs
● 2026-07-04 13:08:08
●MXeforward3.registrar-servers.com2026-03-26 → 2026-07-04 · 2 obs
● 2026-07-04 13:08:08
●MXeforward4.registrar-servers.com2026-03-26 → 2026-07-04 · 2 obs
● 2026-07-04 13:08:08
●MXeforward5.registrar-servers.com2026-03-26 → 2026-07-04 · 2 obs
● 2026-07-04 13:08:08
○A198.185.159.1442017-05-11 → 2017-05-11 · 3 obs
○ 2026-03-26 17:00:02
○ 2026-07-04 13:08:08
○A198.185.159.1452017-05-11 → 2017-05-11 · 3 obs
○ 2026-03-26 17:00:02
○ 2026-07-04 13:08:08
○A198.49.23.1442017-05-11 → 2017-05-11 · 3 obs
○ 2026-03-26 17:00:02
○ 2026-07-04 13:08:08
○A198.49.23.1452017-05-11 → 2017-05-11 · 3 obs
○ 2026-03-26 17:00:02
○ 2026-07-04 13:08:08
●A216.198.79.12026-03-26 → 2026-07-04 · 3 obs
● 2026-03-26 17:00:02
● 2026-07-04 13:08:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, d.gtld-servers.net, l.gtld-servers.net, f.gtld-servers.net... | - |
| cbtstudy.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 cbtstudy.com (unsigned zone)
⏱️ Timing
Total: 492ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.198.79.1 |
| NS | 2 | dns1.registrar-servers.com, dns2.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 | 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
cbtstudy.com points to a single IP number: 216.198.79.1.
Additional host names — nnodes.com, edesigno.com, droquimar.com and two others — share IP numbers with cbtstudy.com.
Name Servers
cbtstudy.com is served by two delegated name servers, dns1.registrar-servers.com and dns2.registrar-servers.com.
cbtstudy.com shares its name server setup with other domains, including evsales.chat, grantmurray.com, cyrixsys.com and two others.
The name servers of cbtstudy.com overlap at least partially with those of other domains — among them ariward.net, goferide.com, mcocharleston.org and two more.
The name servers dns3.registrar-servers.com, dns4.registrar-servers.com and dns5.registrar-servers.com are commonly seen alongside these name servers.
Each of the two host names carries two IP addresses: dns1.registrar-servers.com points to 156.154.132.200 and 2610:a1:1024::200, and dns2.registrar-servers.com points to 156.154.133.200 and 2610:a1:1025::200.
Mail Servers
Five mail servers handle cbtstudy.com: eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com and two others.
cbtstudy.com shares mail servers — at least in part — with other domains, including hiddenodes.com, holistichair.net, fm.academy and two others.
These mail servers are frequently paired with the mail servers eforward4.registrar-servers.com, eforward5.registrar-servers.com, eforward6.registrar-servers.com and eforward7.registrar-servers.com.
Host names pointing to a single IP address:
eforward1.registrar-servers.com points to the IP address 162.255.118.51.
eforward2.registrar-servers.com points to the IP address 162.255.118.52.
eforward3.registrar-servers.com points to the IP address 162.255.118.51.
eforward4.registrar-servers.com points to the IP address 162.255.118.52.
eforward5.registrar-servers.com points to the IP address 162.255.118.51.
eforward1.registrar-servers.com, eforward3.registrar-servers.com and eforward5.registrar-servers.com are host names that all point to 162.255.118.51.
These two host names — eforward2.registrar-servers.com and eforward4.registrar-servers.com — each point to 162.255.118.52 IP addresses.