sheridancollege.ca

Valid Email Server
Domain Lookup › sheridancollege.ca

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sheridancollege.ca
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 04:23:29 UTC · ↺ Refresh

Add email validation to your forms — free

Add our free script to block 10,000+ disposable domains + perform other checks. No signup, unlimited checks.

MX validation Disposable detection Role accounts
Add to your signup form
<script src="https://check.verifyswift.com/"></script>
One line · No registration · See full docs & demo → · Customize →

MX Hostnames

  • sheridancollege-ca.mail.protection.outlook.com

MX Priorities

  • sheridancollege-ca.mail.protection.outlook.com: 0

A / AAAA Records

  • 142.55.7.49 ↩ sso-url-traf-prod.sheridanc.on.ca

Mail Server IPs

  • 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
  • 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
  • 52.101.190.1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
  • 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c942::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
  • 2a01:111:f403:c942:: ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c944::1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
  • 2a01:111:f403:c942::2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com

SOA Record

Raw SOA ns.sheridanc.on.ca hostmaster.sheridanc.on.ca 2026012713 1200 180 1209600 600
Primary NS (mname)
ns.sheridanc.on.ca
Admin Email (rname)
hostmaster@sheridanc.on.ca
Serial
2026012713
Refresh
1200s
Retry
180s
Expire
1209600s
Minimum TTL
600s

Nameservers (NS)

ns4.sheridanc.on.ca
ns3.sheridanc.on.ca
ns1.sheridanc.on.ca
ns2.sheridanc.on.ca

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:142.55.2.0/24 ip4:142.55.5.0/24 ip4:142.55.45.0/24 ip4:149.72.146.149 ip4:67.210.216.7 ip4:65.39.192.50 ip4:139.60.0.0/24 ip4:139.60.1.0/24 ip4:139.60.2.0/24 ip4:139.60.3.0/24 ip4:176.31.145.254 ip4:209.87.231.8 ip4:72.0.210.56 ip4:40.92.0.0/15 ip4:40.107.0.0/16 ip4:52.100.0.0/15 ip4:52.102.0.0/16 ip4:52.103.0.0/17 ip4:104.47.0.0/17 ip6:2a01:111:f400::/48 ip6:2a01:111:f403::/49 ip6:2a01:111:f403:8000::/51 ip6:2a01:111:f403:c000::/51 include:spf1.sheridancollege.ca ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

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

DKIM Selectors

✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1

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

All TXT Records

32 records
  • e2ma-verification=6yogb
  • e2ma-verification=pmybb
  • e2ma-verification=jzzcb
  • e2ma-verification=4qobb
  • e2ma-verification=guobb
  • e2ma-verification=f2ifb
  • apple-domain-verification=45CvQSshYcjK4uc0
  • e2ma-verification=qawbb
  • identrust_validation=zHyyPUcte4m3nVYeMavXEKQ3LKR4D1O7U+41N/F+7y7Q
  • e2ma-verification=kurcb
  • e2ma-verification=euobb
  • SPFv=spf1 ip4:142.55.2.0/24 ip4:142.55.5.0/24 ip4:142.55.45.0/24 ip4:149.72.146.149 ip4:67.210.216.7 ip4:65.39.192.50 ip4:139.60.0.0/24 ip4:139.60.1.0/24 ip4:139.60.2.0/24 ip4:139.60.3.0/24 ip4:176.31.145.254 ip4:209.87.231.8 ip4:72.0.210.56 ip4:40.92.0.0/15 ip4:40.107.0.0/16 ip4:52.100.0.0/15 ip4:52.102.0.0/16 ip4:52.103.0.0/17 ip4:104.47.0.0/17 ip6:2a01:111:f400::/48 ip6:2a01:111:f403::/49 ip6:2a01:111:f403:8000::/51 ip6:2a01:111:f403:c000::/51 include:spf1.sheridancollege.ca ~all
  • e2ma-verification=1n2eb
  • e2ma-verification=04veb
  • e2ma-verification=95lgb
  • _krs2kcefuoqvia420bs98xb15zjwckq
  • e2ma-verification=enybb
  • e2ma-verification=9wwcb
  • facebook-domain-verification=exj1tu0vn6xyxfoek9cddx52zd5mcu
  • sUgpyCqIjQ3eVG8P4M68Cwe1hbj9cOEHAuzRqnIZkZMuiX7WM4nA4kPFAwK7ToCXE0mIYOM37Dk9XTpeZ6bHNA==
  • identrust_validate=QQg0M1pJ7U6KAv+w+uCNOcp0gPIknvX+gCvjhpqcfXk5
  • ZOOM_verify_y327IoFTGfExkcYkHQiTCb
  • facebook-domain-verification=vfmoajv8i8gnytv56kfp20jncepzdo
  • google-site-verification=j2geEyCJ5f6mU7N8B5OPV0K1Ghp0rQLwmAC3qRx74Z4
  • identrust_validate=DcaSKFUwWmif6lkw/mkdJk6wDOoZrBSB9Ua4qiWed7e/
  • e2ma-verification=2z2cb
  • e2ma-verification=fywbb
  • google-site-verification=MP_q3Squ81wIteMQLC0ji0kuJNJ-2DG2y3FDwb4Xoak
  • e2ma-verification=6vubb
  • ecostruxure-it-verification=8a7c3ebd-07d2-47ce-8eb7-166e475095e4
  • e2ma-verification=axwcb
  • adobe-idp-site-verification=40cadffa-cefa-46cd-be47-a0b942ced03d
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site · Customize →
See demo & docs
Deep verification
Full email verification for sheridancollege.ca

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits