1stcls.com - robtex.com
1stcls.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 54.236.162.93🇺🇸 Amazon54.236.128.0/17 EC2 IAD prefix | ||||||
| PTR | ec2-54-236-162-93.compute-1.amazonaws.com | ||||||
| NS | dns2.rebel.ca ⭐ | ||||||
| A | 52.10.144.165🇺🇸 Amazon52.10.0.0/15 EC2 PDX Prefix | ||||||
| PTR | dns2.rebel.ca | ||||||
| A | 54.187.80.106🇺🇸 Amazon54.186.0.0/15 EC2 PDX prefix | ||||||
| PTR | dns2.rebel.ca | ||||||
| NS | dns.rebel.ca | ||||||
| A | 52.3.166.104🇺🇸 Amazon52.2.0.0/15 EC2 IAD prefix | ||||||
| PTR | dns.rebel.ca | ||||||
| A | 52.3.190.193🇺🇸 Amazon52.2.0.0/15 EC2 IAD prefix | ||||||
| PTR | dns.rebel.ca | ||||||
| SOA | dns.rebel.canoc@rebel.ca 2026-03-26 #1 | ||||||
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=1774702487 | ||||||
Same first word
1stcls.com |
Similar names
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, d.gtld-servers.net, b.gtld-servers.net, l.gtld-servers.net... | - |
| 1stcls.com | dns.rebel.ca, dns2.rebel.ca | - |
✅ Authoritative Response
Server:54.187.80.106
NS records: dns.rebel.ca, dns2.rebel.ca
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 1stcls.com (unsigned zone)
⏱️ Timing
Total: 437ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 54.236.162.93 |
| NS | 2 | dns.rebel.ca, dns2.rebel.ca |
| SOA | 1 | dns.rebel.ca noc.rebel.ca |
Analysis
IP Addresses
1stcls.com points to a single IP number: 54.236.162.93.
Other host names, for instance netdirectory.ca, scrubbagivesback.com, saoirse.ca, clascam.com and lavenirdutheatre.com share IP numbers with 1stcls.com.
Name Servers
1stcls.com is delegated to two name servers: dns2.rebel.ca and dns.rebel.ca.
1stcls.com uses the same name server setup as other domains, for instance manga.ca, aurorabarcode.com, kaltravis.com, importwerks.com and nsplacenames.ca.
1stcls.com shares name servers with other domains at least partially, for instance ourdailybread.ca, osfena.us, serviceform.ca, ottawasafetycouncil.ca and palantir.ca.
These name servers are commonly used with dns2.domainsatcost.ca, dns.domainsatcost.ca, dns5.namescout.com and dns6.namescout.com.
Host names with two IP numbers:
The host dns2.rebel.ca points to 52.10.144.165 and 54.187.80.106.
The host dns.rebel.ca points to 52.3.166.104 and 52.3.190.193.