guidebook.ca - dns.ninja
guidebook.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 2026-06-25 #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=2607012100 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSdns.domainsatcost.ca2015-06-12 → 2026-07-01 · 2 obs
● 2026-07-01 21:12:54
●NSdns2.domainsatcost.ca2015-06-12 → 2026-07-01 · 2 obs
● 2026-07-01 21:12:54
●MXloopback.domainsatcost.ca2015-06-12 → 2026-07-01 · 2 obs
● 2026-07-01 21:12:54
●A54.236.162.932015-06-12 → 2026-07-01 · 2 obs
● 2026-07-01 21:12:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ca | j.ca-servers.ca, d.ca-servers.ca, c.ca-servers.ca, any.ca-servers.ca | - |
| guidebook.ca | dns2.domainsatcost.ca, dns.domainsatcost.ca | 2 records |
✅ Authoritative Response
Server:54.236.127.131
NS records: dns2.domainsatcost.ca, dns.domainsatcost.ca
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for guidebook.ca (unsigned zone)
⏱️ Timing
Total: 2153ms | 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 (dns2.domainsatcost.ca, dns.domainsatcost.ca)
Analysis
IP Addresses
guidebook.ca has exactly one IP address — 54.236.162.93.
mooselake.ca, phlacademy.ca, performanceanalytics.net plus two other host names have IP numbers in common with guidebook.ca.
Name Servers
DNS delegation for guidebook.ca points to two name servers: dns2.domainsatcost.ca and dns.domainsatcost.ca.
The name server configuration of guidebook.ca is shared with other domains, for instance mobbscrubs.ca, wedlink.ca, multiplan.ca and two others.
The name servers of guidebook.ca overlap at least partially with those of other domains — among them mikedonovan.ca, daily-bread.ca, taxiyeg.com and two more.
These name servers commonly appear alongside the name servers dns2.rebel.ca and dns.rebel.ca.
dns2.domainsatcost.ca directs to 54.200.27.218 and 54.200.36.148. dns.domainsatcost.ca directs to 54.236.127.131 and 54.236.210.240. Each host name carries two IP addresses.
Mail Servers
guidebook.ca uses one mail server — loopback.domainsatcost.ca.
The mail server setup of guidebook.ca matches that of other domains such as tamlinhomes.ca, onthepoint.ca, isokool.ca and two others.
The mail servers for guidebook.ca overlap at least partially with those of other domains, including coachwithnicole.com and mail.uvl.com.
loopback.domainsatcost.ca has exactly one IP number: 127.0.0.1.