Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mac-ca.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 16:25:28 UTC · ↺ Refresh
MX Hostnames
- macca-com0i.mail.protection.outlook.com
MX Priorities
- macca-com0i.mail.protection.outlook.com: 0
A / AAAA Records
- 35.182.193.170 ↩ ec2-35-182-193-170.ca-central-1.compute.amazonaws.com
Mail Server IPs
- 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 52.101.192.1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 52.101.190.1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 2a01:111:f403:c944::1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 2a01:111:f403:c942:: ↩ mail-yt5pr01cu00100.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
SOA Record
Raw SOA
ns.sentex.ca hostmaster.sentex.net 2025120800 3000 1400 604800 3600
Primary NS (mname)
ns.sentex.ca
Admin Email (rname)
hostmaster@sentex.net
Serial
2025120800
Refresh
3000s
Retry
1400s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns.sentex.ca
ns2.sentex.net
ns2.sentex.ca
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.rkd.ca -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
2 records- MS=ms25992123
- SPFv=spf1 include:spf.protection.outlook.com include:spf.rkd.ca -all
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
See demo & docs
Deep verification
Full email verification for mac-ca.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits