col-tech.ca - robtex.com
col-tech.ca
| DNSSEC | ⚠️ Not signed | ||||||
| A | 54.208.21.117🇺🇸 Amazon54.208.0.0/15 EC2 IAD prefix | ||||||
| PTR | ec2-54-208-21-117.compute-1.amazonaws.com | ||||||
| NS | dns2.rebel.com ⭐ | ||||||
| A | 54.200.36.152🇺🇸 Amazon54.200.0.0/15 EC2 PDX prefix | ||||||
| PTR | dns2.rebel.com | ||||||
| A | 54.200.67.125🇺🇸 Amazon54.200.0.0/15 EC2 PDX prefix | ||||||
| PTR | dns2.rebel.com | ||||||
| NS | dns.rebel.com | ||||||
| A | 54.236.79.66🇺🇸 Amazon54.236.64.0/18 EC2 IAD prefix | ||||||
| PTR | dns.rebel.com | ||||||
| A | 54.236.227.139🇺🇸 Amazon54.236.128.0/17 EC2 IAD prefix | ||||||
| PTR | dns.rebel.com | ||||||
| MX | mx001.rebel.xion.oxcs.net ⭐ | ||||||
| A | 173.45.18.128🇨🇦 AMC173.45.16.0/22 | ||||||
| PTR | mx31.oxsus-vadesecure.net | ||||||
| MX | mx002.rebel.xion.oxcs.net(10) | ||||||
| A | 173.45.18.129🇨🇦 AMC173.45.16.0/22 | ||||||
| PTR | mx32.oxsus-vadesecure.net | ||||||
| MX | mx003.rebel.xion.oxcs.net(10) | ||||||
| A | 51.81.206.108🇺🇸 OVH51.81.128.0/17 Hosting route | ||||||
| PTR | mx33.oxsus-vadesecure.net | ||||||
| MX | mx004.rebel.xion.oxcs.net(10) | ||||||
| A | 51.81.206.109🇺🇸 OVH51.81.128.0/17 Hosting route | ||||||
| PTR | mx34.oxsus-vadesecure.net | ||||||
| TXT | v=spf1 include:spf.cloudus.oxcs.net ~all | ||||||
| SOA | dns.rebel.comnoc@rebel.com 2026-03-26 #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=2603310830 | ||||||
Same first word
col-tech.ca |
Similar names
DNS History
14 records (7 active, 7 former)
●NSdns.rebel.com2026-03-26 → 2026-03-31 · 3 obs
● 2026-03-26 02:40:38
● 2026-03-31 09:12:56
●NSdns2.rebel.com2026-03-26 → 2026-03-31 · 3 obs
● 2026-03-26 02:40:38
● 2026-03-31 09:12:56
○NSns5.no.cg.shawcable.net2015-06-23 → 2017-10-22 · 4 obs
● 2017-10-22 07:52:44
○ 2026-03-26 02:40:38
○ 2026-03-31 09:12:56
○NSns56.st.vc.shawcable.net2015-06-23 → 2017-10-22 · 4 obs
● 2017-10-22 07:52:44
○ 2026-03-26 02:40:38
○ 2026-03-31 09:12:56
○NSns6.so.cg.shawcable.net2015-06-23 → 2017-10-22 · 4 obs
● 2017-10-22 07:52:44
○ 2026-03-26 02:40:38
○ 2026-03-31 09:12:56
●MXmx001.rebel.xion.oxcs.net2026-03-26 → 2026-03-31 · 3 obs
● 2026-03-26 02:40:38
● 2026-03-31 09:12:56
●MXmx002.rebel.xion.oxcs.net2026-03-26 → 2026-03-31 · 3 obs
● 2026-03-26 02:40:38
● 2026-03-31 09:12:56
●MXmx003.rebel.xion.oxcs.net2026-03-26 → 2026-03-31 · 3 obs
● 2026-03-26 02:40:38
● 2026-03-31 09:12:56
●MXmx004.rebel.xion.oxcs.net2026-03-26 → 2026-03-31 · 3 obs
● 2026-03-26 02:40:38
● 2026-03-31 09:12:56
○MXmx1c11.megamailservers.com2015-06-23 → 2017-10-22 · 4 obs
● 2017-10-22 07:52:44
○ 2026-03-26 02:40:38
○ 2026-03-31 09:12:56
○MXmx2c11.megamailservers.com2015-06-23 → 2017-10-22 · 4 obs
● 2017-10-22 07:52:44
○ 2026-03-26 02:40:38
○ 2026-03-31 09:12:56
○MXmx3c11.megamailservers.com2015-06-23 → 2017-10-22 · 4 obs
● 2017-10-22 07:52:44
○ 2026-03-26 02:40:38
○ 2026-03-31 09:12:56
●A54.208.21.1172026-03-26 → 2026-03-31 · 3 obs
● 2026-03-26 02:40:38
● 2026-03-31 09:12:56
○A69.49.101.512015-06-23 → 2017-10-22 · 4 obs
● 2017-10-22 07:52:44
○ 2026-03-26 02:40:38
○ 2026-03-31 09:12:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ca | d.ca-servers.ca, any.ca-servers.ca, c.ca-servers.ca, j.ca-servers.ca | - |
| col-tech.ca | dns2.rebel.com, dns.rebel.com | - |
✅ Authoritative Response
Server:54.236.227.139
NS records: dns2.rebel.com, dns.rebel.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for col-tech.ca (unsigned zone)
⏱️ Timing
Total: 858ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 54.208.21.117 |
| NS | 2 | dns.rebel.com, dns2.rebel.com |
| MX | 4 | mx001.rebel.xion.oxcs.net (pri: 0), mx002.rebel.xion.oxcs.net (pri: 10)... |
| TXT | 1 | v=spf1 include:spf.cloudus.oxcs.net ~all |
| SOA | 1 | dns.rebel.com noc.rebel.com |
Analysis
IP Addresses
col-tech.ca resolves to one IP number: 54.208.21.117.
other host names including totalwebcams.com, www.ogsottawa.on.ca, gynaecologists.net, tecbay.com and protectionjuridique.com share IP numbers with col-tech.ca.
Name Servers
col-tech.ca is delegated to two name servers dns2.rebel.com and dns.rebel.com.
col-tech.ca shares the same name server setup as other domains, for instance royalcitysoccer.com, mprod.ca, elexiconcorp.com, niagaraangels.ca and 00x.com.
col-tech.ca at least partially shares name servers with other domains, for instance investkingston.ca, mindfuldiet.ca, parkrealty.ca and connectedtribes.com.
Host names with two IP numbers:
The host name dns2.rebel.com points to 54.200.36.152 and 54.200.67.125; the host name dns.rebel.com points to 54.236.79.66 and 54.236.227.139.
Mail Servers
Four mail servers handle col-tech.ca: mx001.rebel.xion.oxcs.net, mx002.rebel.xion.oxcs.net, mx003.rebel.xion.oxcs.net and mx004.rebel.xion.oxcs.net.
col-tech.ca shares some mail servers with other domains, at least partially, for instance maracademy.com.au, 613studentrentals.com, aero-structure.com, alexgreen.ca and lyconsulting.ca.
Host names with one IP number: mx001.rebel.xion.oxcs.net points to 173.45.18.128; mx002.rebel.xion.oxcs.net points to 173.45.18.129; mx003.rebel.xion.oxcs.net points to 51.81.206.108; mx004.rebel.xion.oxcs.net points to 51.81.206.109.