Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
terracon.ca
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 06:23:29 UTC · ↺ Refresh
MX Hostnames
- terracon-ca.mail.protection.outlook.com
MX Priorities
- terracon-ca.mail.protection.outlook.com: 1
A / AAAA Records
- 137.220.38.151 ↩ 137.220.38.151.vultrusercontent.com
Mail Server IPs
- 52.101.192.1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 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
- 2a01:111:f403:c942:: ↩ mail-yt5pr01cu00100.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
- 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.meganameservers.com postmaster.meganameservers.com 2025032201 86400 86400 3600000 86400
Primary NS (mname)
ns1.meganameservers.com
Admin Email (rname)
postmaster@meganameservers.com
Serial
2025032201
Refresh
86400s
Retry
86400s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns1.meganameservers.com
ns3.meganameservers.com
ns2.meganameservers.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
3 records- SPFv=spf1 include:spf.protection.outlook.com -all
- sophos-domain-verification=6c0442963931c284921c56ffdcfd07b1d60cd031bdc30aae4aca734e01cf0c5a
- MS=ms40991862
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 terracon.ca
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits