brook.ca - dns.ninja
brook.ca
| DNSSEC | ⚠️ Not signed | ||||||
| A | 204.11.55.156🇨🇦 PRIORITYCOLO204.11.48.0/21 Priority Colo Inc. Netblock | ||||||
| PTR | ns1.brook.ca | ||||||
| NS | ns1.pcdc.net ⭐ ⚠️ Not in parent delegation | ||||||
| A | 204.11.55.2🇨🇦 PRIORITYCOLO204.11.48.0/21 Priority Colo Inc. Netblock | ||||||
| PTR | www2.pcdc.net | ||||||
| NS | ns1.brook.ca ⚠️ Not in zone NS records | ||||||
| A | 204.11.55.156🇨🇦 PRIORITYCOLO204.11.48.0/21 Priority Colo Inc. Netblock | ||||||
| PTR | ns1.brook.ca | ||||||
| NS | ns2.brook.ca ⚠️ Not in zone NS records | ||||||
| A | 204.11.55.157🇨🇦 PRIORITYCOLO204.11.48.0/21 Priority Colo Inc. Netblock | ||||||
| PTR | ns2.brook.ca | ||||||
| NS | ns2.pcdc.net ⚠️ Not in parent delegation | ||||||
| A | 204.11.55.144🇨🇦 PRIORITYCOLO204.11.48.0/21 Priority Colo Inc. Netblock | ||||||
| PTR | www3.pcdc.net | ||||||
| MX | brook.ca ⭐ | ||||||
| A | 204.11.55.156🇨🇦 PRIORITYCOLO204.11.48.0/21 Priority Colo Inc. Netblock | ||||||
| PTR | ns1.brook.ca | ||||||
| TXT | v=spf1 ip4:204.11.55.144 ip4:204.11.55.156 +a +mx +ip4:204.11.49.130 +ip4:204... | ||||||
| SOA | ns1.pcdc.netserver-msgs@prioritycolo.com 2026-06-14 #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=2607010230 | ||||||
MX for
brook.ca |
Subdomains
Same first word
Similar names
DNS History
7 records (6 active, 1 former)
●NSns1.brook.ca2009-01-14 → 2026-07-01 · 6 obs
● 2016-05-08 23:59:22
○ 2016-07-20 06:48:02
○ 2016-12-05 02:14:38
● 2026-02-17 03:51:16
● 2026-07-01 03:02:52
●NSns1.pcdc.net2015-08-10 → 2026-07-01 · 3 obs
● 2015-08-10 13:09:46
● 2026-07-01 03:02:52
●NSns2.brook.ca2009-01-14 → 2026-07-01 · 6 obs
● 2016-05-08 23:59:22
○ 2016-07-20 06:48:02
○ 2016-12-05 02:14:38
● 2026-02-17 03:51:16
● 2026-07-01 03:02:52
●NSns2.pcdc.net2016-07-20 → 2026-07-01 · 3 obs
● 2016-07-20 06:48:02
● 2026-07-01 03:02:52
●MXbrook.ca2026-02-17 → 2026-07-01 · 3 obs
● 2026-02-17 03:51:16
● 2026-07-01 03:02:52
○MXmail.brook.ca2009-01-14 → 2016-12-05 · 4 obs
● 2016-12-05 02:14:38
○ 2026-02-17 03:51:16
○ 2026-07-01 03:02:52
●A204.11.55.1562009-01-14 → 2026-07-01 · 2 obs
● 2026-07-01 03:02:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ca | d.ca-servers.ca, any.ca-servers.ca, c.ca-servers.ca, j.ca-servers.ca | - |
| brook.ca | ns1.brook.ca, ns2.brook.ca | 2 records |
✅ Authoritative Response
Server:204.11.55.157
NS records: ns1.brook.ca, ns2.brook.ca
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for brook.ca (unsigned zone)
⏱️ Timing
Total: 562ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 204.11.55.156 |
| NS | 2 | ns2.pcdc.net, ns1.pcdc.net |
| MX | 1 | brook.ca (pri: 0) |
| TXT | 1 | v=spf1 ip4:204.11.55.144 ip4:204.11.55.1 |
| SOA | 1 | ns1.pcdc.net server-msgs.prioritycolo.co |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (ns1.brook.ca, ns2.brook.ca)
Analysis
Hierarchy
brook.ca sits above ns2.brook.ca, mail.brook.ca and ns1.brook.ca in the domain hierarchy.
Mail Server Role
brook.ca serves as a mail server for brook.ca.
IP Addresses
brook.ca has exactly one IP address — 204.11.55.156.
Further host names like ns1.brook.ca and pdp11.ca overlap in IP numbers with brook.ca.
Name Servers
Four name servers handle the delegation for brook.ca: ns1.brook.ca, ns2.brook.ca, ns1.pcdc.net and ns2.pcdc.net.
There is at least partial name server overlap between brook.ca and other domains — dechepatravel.com, lumicrest.ca, juanylolo.com and two more among them.
These name servers regularly appear alongside ns1.hostcaster.com, ns2.hostcaster.com, ns1.pylserver.com and 7 other name servers in NS record sets.
Four host names, each with one IP address: ns1.brook.ca has 204.11.55.156, ns2.brook.ca has 204.11.55.157, ns1.pcdc.net has 204.11.55.2 and ns2.pcdc.net has 204.11.55.144.
Mail Servers
brook.ca uses exactly one mail server, which is brook.ca.
brook.ca carries a single IP number, which is 204.11.55.156.