atcosl.com

Valid Email Server
Domain Lookup › atcosl.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
atcosl.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-19 11:23:39 UTC · ↺ Refresh

MX Hostnames

  • atcosl-com.mail.protection.outlook.com

MX Priorities

  • atcosl-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 141.118.20.211 (no PTR)

Mail Server IPs

  • 52.101.192.0 ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
  • 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
  • 52.101.190.1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
  • 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
  • 2a01:111:f403:c942::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
  • 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:c942::2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
  • 2a01:111:f403:c944:: ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com

SOA Record

Raw SOA atcoinns.atco.ca root.admin.atco.ca 152 3600 1800 3600000 86400
Primary NS (mname)
atcoinns.atco.ca
Admin Email (rname)
root@admin.atco.ca
Serial
152
Refresh
3600s
Retry
1800s
Expire
3600000s
Minimum TTL
86400s

Nameservers (NS)

atcoinss.atco.ca
atcoinns.atco.ca
atcodns3.atco.ca

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:192.210.5.0/24 ip4:192.210.10.0/24 ip4:141.118.20.0/24 include:aspmx.pardot.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

5 records
  • MS=ms83858151
  • MS=ms50588972
  • MS=ms17829181
  • SPFv=spf1 ip4:192.210.5.0/24 ip4:192.210.10.0/24 ip4:141.118.20.0/24 include:aspmx.pardot.com include:spf.protection.outlook.com ~all
  • pardot_85362_*=a9f34065adde371119b842f7f200dd9a13014aa2644ce8321207f513882d2c06
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