centech.co

Valid Email Server
Domain Lookup › centech.co

Domain Overview

DNS: ✓ 1d ago Checker: ✓ 1d ago
centech.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-07-01 19:45:19 UTC · ↺ Refresh

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MX Hostnames

  • centech-co.mail.protection.outlook.com

MX Priorities

  • centech-co.mail.protection.outlook.com: 0

A / AAAA Records

  • 69.27.103.4 ↩ cp1034.blacksun.ca

Mail Server IPs

  • 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
  • 52.101.192.0 ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
  • 52.101.192.1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
  • 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
  • 2a01:111:f403:c942:: ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c942::2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
  • 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:c944:: ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.zonerisq.ca.centech.co dnsmaster.etsmtl.ca 2026061701 10800 3600 604800 86400
Primary NS (mname)
ns1.zonerisq.ca.centech.co
Admin Email (rname)
dnsmaster@etsmtl.ca
Serial
2026061701
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns1.zonerisq.ca
ns2.zonerisq.ca

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

4 records
  • SPFv=spf1 include:spf.protection.outlook.com ~all
  • airtable-verification=604701dd10f0193bf6583cbea582474d
  • google-site-verification=2kVzbYdOdbg5a-_-P9MchAGqkz-jE6LzoYo1aiRI3Kw
  • MS=ms95451488
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