classcost.com - dns.ninja
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=1785863599 | ||||||
Same first word
classcost.com |
DNS History
9 records (8 active, 1 former)
●NSpdns1.registrar-servers.com2026-03-17 → 2026-08-04 · 2 obs
● 2026-08-04 17:39:02
●NSpdns2.registrar-servers.com2026-03-17 → 2026-08-04 · 2 obs
● 2026-08-04 17:39:02
●MXeforward1.registrar-servers.com2026-03-17 → 2026-08-04 · 2 obs
● 2026-08-04 17:39:02
●MXeforward2.registrar-servers.com2026-03-17 → 2026-08-04 · 2 obs
● 2026-08-04 17:39:02
●MXeforward3.registrar-servers.com2026-03-17 → 2026-08-04 · 2 obs
● 2026-08-04 17:39:02
●MXeforward4.registrar-servers.com2026-03-17 → 2026-08-04 · 2 obs
● 2026-08-04 17:39:02
●MXeforward5.registrar-servers.com2026-03-17 → 2026-08-04 · 2 obs
● 2026-08-04 17:39:02
●A147.93.110.362026-07-04 → 2026-08-04 · 3 obs
● 2026-07-04 10:38:16
● 2026-08-04 17:39:02
○A216.24.57.12026-03-17 → 2026-04-09 · 4 obs
● 2026-04-09 07:17:08
○ 2026-07-04 10:38:16
○ 2026-08-04 17:39:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.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: 304ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 147.93.110.36 |
| 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 number: 147.93.110.36.
Name Servers
classcost.com has two authoritative name servers — pdns1.registrar-servers.com and pdns2.registrar-servers.com.
classcost.com shares its name server setup with other domains, including studyho.com, loqaab.com, bluumly.com and two others.
The name servers for classcost.com overlap at least partially with those of other domains — for example euyansang.com.
Both pdns1.registrar-servers.com and pdns2.registrar-servers.com have two IP addresses each. pdns1.registrar-servers.com resolves to 156.154.132.100 and 2610:a1:1024::100; pdns2.registrar-servers.com resolves to 156.154.133.100 and 2610:a1:1025::100.
Mail Servers
Five mail servers handle classcost.com: eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com and two others.
classcost.com shares mail servers — at least in part — with other domains, including indyjaycees.org, bewerbungscoaching.ai, bravesteps.love 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 resolves to 162.255.118.51.
eforward2.registrar-servers.com resolves to 162.255.118.52.
eforward3.registrar-servers.com resolves to 162.255.118.51.
eforward4.registrar-servers.com resolves to 162.255.118.52.
eforward5.registrar-servers.com resolves to 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.
The host names eforward2.registrar-servers.com and eforward4.registrar-servers.com both resolve to 162.255.118.52 IP addresses.