cptlearning.com - dns.ninja
cptlearning.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=1782409100 | ||||||
PTR for
Same first word
cptlearning.com |
Similar names
pingcentral.net |
treningplac.si |
tcplearning.com |
ptclearning.com |
pingcentral.com |
pngicentral.org |
cpginternal.com |
pcginternal.com |
centralping.com |
gnipcentral.com |
pngicentral.com |
DNS History
8 records (8 active, 0 former)
●NSns1.tigertech.net2015-06-13 → 2026-06-25 · 2 obs
● 2026-06-25 17:46:20
●NSns2.tigertech.biz2015-06-13 → 2026-06-25 · 2 obs
● 2026-06-25 17:46:20
●NSns3.tigertech.org2015-06-13 → 2026-06-25 · 2 obs
● 2026-06-25 17:46:20
●MXmx1.tigertech.net2015-06-13 → 2026-06-25 · 2 obs
● 2026-06-25 17:46:20
●MXmx2.tigertech.net2015-06-13 → 2026-06-25 · 2 obs
● 2026-06-25 17:46:20
●MXmx3.tigertech.net2015-06-13 → 2026-06-25 · 2 obs
● 2026-06-25 17:46:20
●A2604:4f00:10:6627:0:26:151:12026-02-14 → 2026-06-25 · 3 obs
● 2026-02-14 22:16:56
● 2026-06-25 17:46:20
●A74.114.89.1722015-06-13 → 2026-06-25 · 2 obs
● 2026-06-25 17:46:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| cptlearning.com | ns1.tigertech.net, ns2.tigertech.biz, ns3.tigertech.org | - |
✅ Authoritative Response
Server:74.114.91.63
NS records: ns1.tigertech.net, ns2.tigertech.biz, ns3.tigertech.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cptlearning.com (unsigned zone)
⏱️ Timing
Total: 425ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 74.114.89.172 |
| AAAA | 1 | 2604:4f00:10:6627:0:26:151:1 |
| NS | 3 | ns1.tigertech.net, ns2.tigertech.biz... |
| MX | 3 | mx2.tigertech.net (pri: 10), mx1.tigertech.net (pri: 10)... |
| TXT | 1 | v=spf1 include:tigertech.net ~all |
| SOA | 1 | ns1.tigertech.net support.tigertech.net |
Analysis
IP Addresses
cptlearning.com points to the IP addresses 74.114.89.172 and 2604:4f00:10:6627:0:26:151:1
redpathstudio.com and web16-1659.customers.tigertech.net are among other host names that share IP numbers with cptlearning.com.
Name Servers
cptlearning.com carries NS records delegating to ns2.tigertech.biz, ns1.tigertech.net and ns3.tigertech.org.
The name servers of cptlearning.com overlap at least partially with those of other domains — among them badassny.com, paulhawken.com, niebank.com and two more.
These name servers commonly appear alongside the name servers ns2.tigertech.net and ns3.tigertech.net.
Hosts that point to four IP numbers:
ns1.tigertech.net resolves to 208.80.4.61, 208.80.4.71, 2604:4f00::2:0:1:feed and 2604:4f00::2:1:1:feed.
ns3.tigertech.org resolves to 74.114.91.63, 74.114.91.73, 2604:4f00:f00::3:feed and 2604:4f00:f00::1:3:feed.
Hostnames that resolve to three IP addresses:
The hostname ns2.tigertech.biz points to 170.39.131.62, 2600:9000:a503:4dad:e2d6:f42c:8302:db6e and 2600:9000:a618:a66b:3134:a332:b8c3:8d66.
Mail Servers
Mail for cptlearning.com is routed through three mail servers — mx1.tigertech.net, mx2.tigertech.net and mx3.tigertech.net.
cptlearning.com has at least partial mail server overlap with other domains such as ufbh.org, rogeryama(0x73686974)a.com, raygeier.com and two more.
Hostnames that resolve to two IP addresses:
mx1.tigertech.net resolves to two addresses: 208.80.4.161 and 208.80.4.163.
mx2.tigertech.net resolves to two addresses: 208.80.4.162 and 208.80.4.164.
Hosts with just one IP address:
The hostname mx3.tigertech.net resolves to 208.80.4.94.