leanthinking.ca - dns.ninja
leanthinking.ca
| 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.domainsatcost.ca ⭐ | ||||||
| A | 54.200.27.218🇺🇸 Amazon54.200.0.0/15 EC2 PDX prefix | ||||||
| PTR | dns2.domainsatcost.ca | ||||||
| A | 54.200.36.148🇺🇸 Amazon54.200.0.0/15 EC2 PDX prefix | ||||||
| PTR | dns2.domainsatcost.ca | ||||||
| NS | dns.domainsatcost.ca | ||||||
| A | 54.236.127.131🇺🇸 Amazon54.236.64.0/18 EC2 IAD prefix | ||||||
| PTR | dns.domainsatcost.ca | ||||||
| A | 54.236.210.240🇺🇸 Amazon54.236.128.0/17 EC2 IAD prefix | ||||||
| PTR | dns.domainsatcost.ca | ||||||
| MX | loopback.domainsatcost.ca ⭐ | ||||||
| A | 127.0.0.1 | ||||||
| SOA | dns.domainsatcost.canoc@domainsatcost.ca 2026-07-30 #1 | ||||||
ca
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | prd-czp-05.corp.cira.ca ⭐ | ||||||
| NS | any.ca-servers.ca | ||||||
| NS | c.ca-servers.ca | ||||||
| NS | d.ca-servers.ca | ||||||
| NS | j.ca-servers.ca | ||||||
| SOA | prd-czp-05.corp.cira.caadmin-dns@cira.ca serial=2608050230 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSdns.domainsatcost.ca2015-05-10 → 2026-08-05 · 2 obs
● 2026-08-05 02:51:20
●NSdns2.domainsatcost.ca2015-05-10 → 2026-08-05 · 2 obs
● 2026-08-05 02:51:20
●MXloopback.domainsatcost.ca2015-05-10 → 2026-08-05 · 2 obs
● 2026-08-05 02:51:20
●A54.236.162.932015-05-10 → 2026-08-05 · 2 obs
● 2026-08-05 02:51:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ca | c.ca-servers.ca, d.ca-servers.ca, j.ca-servers.ca, any.ca-servers.ca | - |
| leanthinking.ca | dns.domainsatcost.ca, dns2.domainsatcost.ca | 2 records |
✅ Authoritative Response
Server:54.236.127.131
NS records: dns.domainsatcost.ca, dns2.domainsatcost.ca
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for leanthinking.ca (unsigned zone)
⏱️ Timing
Total: 185ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 54.236.162.93 |
| NS | 2 | dns2.domainsatcost.ca, dns.domainsatcost.ca |
| MX | 1 | loopback.domainsatcost.ca (pri: 10) |
| SOA | 1 | dns.domainsatcost.ca noc.domainsatcost.c |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (dns.domainsatcost.ca, dns2.domainsatcost.ca)
Analysis
IP Addresses
leanthinking.ca resolves to one IP address: 54.236.162.93.
jmanor.ca, gentec-intl.org, oneshirt.ca and two other host names share IP numbers with leanthinking.ca.
Name Servers
leanthinking.ca is served by two delegated name servers, dns2.domainsatcost.ca and dns.domainsatcost.ca.
leanthinking.ca uses the same name servers as several other domains — among them canadianwoodcouncil.org, atvans.org, findinteriordesigner.org and two more.
leanthinking.ca partially shares its NS delegation with several other domains, including shotmaking.com, kidzworld.ca, wrw.ca and two others.
These name servers are regularly seen alongside dns2.rebel.ca and dns.rebel.ca as name servers.
Each of the two host names carries two IP addresses: dns2.domainsatcost.ca points to 54.200.27.218 and 54.200.36.148, and dns.domainsatcost.ca points to 54.236.127.131 and 54.236.210.240.
Mail Servers
Mail for leanthinking.ca is handled by a single mail server, loopback.domainsatcost.ca.
leanthinking.ca uses an identical mail server configuration to several other domains — among them chlnet.com, www.api.www.neytrtftxbg.legerclaudecomeau.com, aomprint.com and two more.
There is one IP number for loopback.domainsatcost.ca: 127.0.0.1.