mail.rationaltech.ca - dns.ninja

mail.rationaltech.ca

DNSSEC⚠️ Not signed
A137.184.168.67🇨🇦 DIGITALOCEAN137.184.160.0/20 DigitalOcean

rationaltech.ca

DNSSEC⚠️ Not signed
A137.184.168.67🇨🇦 DIGITALOCEAN137.184.160.0/20 DigitalOcean
NSns1.digitalocean.com ⭐
NSns2.digitalocean.com
NSns3.digitalocean.com
MXmail.rationaltech.ca ⭐
TXTv=spf1 include:_spf.google.com ~all
TXTgoogle-site-verification=giWbNxjE02Zj6ZUiaQyy0HHvEOTU31lTISo6BKzN6Rk
SOAns1.digitalocean.comhostmaster@rationaltech.ca serial=0

MX for

rationaltech.ca

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DNS History

2 records (1 active, 1 former)

20162017201820192020202120222023202420252026A137.184.168.6745.55.142.211
●A137.184.168.672026-03-30 → 2026-06-30 · 3 obs
○ 2016-05-04 10:04:30
● 2026-03-30 05:58:02
● 2026-06-30 18:18:50
○A45.55.142.2112015-10-18 → 2016-05-04 · 4 obs
● 2015-10-18 00:52:44
● 2016-05-04 10:04:30
○ 2026-03-30 05:58:02
○ 2026-06-30 18:18:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cac.ca-servers.ca, d.ca-servers.ca, j.ca-servers.ca, any.ca-servers.ca-
rationaltech.cans1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com-

✅ Authoritative Response

Server:172.64.52.210

NS records: ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rationaltech.ca (unsigned zone)

⏱️ Timing

Total: 226ms | Queries: -

📄 Records

TypeCountSample Data
A1137.184.168.67

Analysis

Mail Server Role

mail.rationaltech.ca is a mail server for rationaltech.ca.

IP Addresses

mail.rationaltech.ca directs to one IP number, which is 137.184.168.67.

There are other host names — rationaltech.ca among them — that share IP numbers with mail.rationaltech.ca.